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Sanswire Demonstrates First Stratellite

Sterling D. Allan writes "Pure Energy Systems News (PESN) reports that GlobeTel Communications Corp. debuted their Sanswire Stratellite last week to over 300 people, including members of the media, personnel from the U.S. Department of Defense, U.S. and international commercial interests, as well as investors and shareholders. Stationed in the stratosphere, well above the jet stream, powered by film solar photovoltaic units, the device will make wireless communications available anywhere in the U.S., including on airline flights. One Stratellite will have a payload capacity of several thousand pounds and clear line-of-sight to approximately 300,000 square miles, an area roughly the size of Texas."

192 comments

  1. But.... by TGK · · Score: 4, Funny

    Municipal wifi is the dumbest thing I've ever heard of!

    --
    Killfile(TGK)
    No trees were killed in the creation of this post. However, many electrons were inconvenienced.
  2. can anyone say cyberdyne? by Anonymous Coward · · Score: 0, Funny

    interesting.

  3. Wireless capability is a lot less than 300,000sqm. by AddressException · · Score: 1, Informative

    From TFA: Wireless capability (currently) to an area with a radius of 200 miles.

  4. Collisions by aking137 · · Score: 0, Troll

    Is there an increased risk of them bumping into things, like Space Debris?

    1. Re:Collisions by AddressException · · Score: 2, Informative

      They're not in space, they're in the stratosphere (part of the atmosphere).

    2. Re:Collisions by Rakshasa+Taisab · · Score: 1

      There is a minor risk of them being hit by asteroids.

      --
      - These characters were randomly selected.
    3. Re:Collisions by ArbitraryConstant · · Score: 1

      Last time I checked, space debris was in space.

      --
      I rarely criticize things I don't care about.
    4. Re:Collisions by Anonymous Coward · · Score: 0

      In Soviet Russia...eh, forget it.

  5. Sadly. by Anonymous Coward · · Score: 4, Funny

    The press release fails to point out that the demonstration was an abysmal failure and not even the wasteful spendthrifts from the pentagon were interested in putting in an order. Film at eleven.

    1. Re:Sadly. by nametaken · · Score: 1

      The press release fails to point out that the demonstration was an abysmal failure and not even the wasteful spendthrifts from the pentagon were interested in putting in an order. Film at eleven.

      Get out, TWO bogus /. articles in a row?! First OSS zealots are gunna sue my company for using Bob's GPL'd Fontpack in our quarterly reports, and now we have a bajillion dollar satellite system that doesn't work. Great readin' guys, keep it comin!

  6. Terrific! by Anonymous Coward · · Score: 4, Funny

    Now I can download porn on my cell phone at 20,000 feet! And join the mile high jack off club of dateless Slashdotting losers! In soviet Russia, stratalite launches YOU!

    1. Re:Terrific! by R.Caley · · Score: 1
      Now I can download porn on my cell phone at 20,000 feet!

      Debbie Does Decompression.

      Man, you haven't lived until you see what happens to those implants.

      --
      _O_
      .|<
      The named which can be named is not the true named
  7. wow by sfcat · · Score: 4, Interesting

    This is impressive. Solar powered, but are there weather problems at this altitude? I guess not, but can we put cameras on this thing too. Better maps for google maps, yea. When does it fly by SF again?

    --
    "Those that start by burning books, will end by burning men."
    1. Re:wow by mikael · · Score: 4, Informative

      65,000 feet is above the jet stream. All the bad stuff is below 50,000 feet.

      Now, if they get a whole network of these (50+), they could cover the entire USA.

      --
      Vintage computer adverts: http://www.vintageadbrowser.com/computers-and-software-ads
  8. We'll all live in Los Angeles now. by Anonymous Coward · · Score: 0, Insightful

    Having visited Los Angeles, I was shocked by the routine use of helicopters for chasing suspects. I guess, with this technology, we'll all be tracked by the powers that be.

    1. Re:We'll all live in Los Angeles now. by cjsnell · · Score: 2, Insightful

      Having visited Los Angeles, I was shocked by the routine use of helicopters for chasing suspects.

      I, too, am shocked that our law enforcement is using helicopters to catch criminals! I think it's a better idea to allow police officers to conduct high-speed car chases through neighborhoods. You are absolutely "Insightful". +1 +1 +1!!!

    2. Re:We'll all live in Los Angeles now. by porky_pig_jr · · Score: 1

      of course it's better idea. while they chase one criminal, they can run over others on their way. also it will make a really cool news report.

      Helicopters, schmelicopters ...

  9. Conversion units by Anonymous Coward · · Score: 5, Funny

    Is that a Metric Texas or an Imperial one?

    1. Re:Conversion units by Presidential · · Score: 4, Funny

      As a new resident of Texas, I can assure you that _all_ Texas is Imperial.

      Think Darth Bush..

      --
      Whenever Mrs. Fitch breaks wind, we beat the dog.
    2. Re:Conversion units by david.given · · Score: 1
      Is that a Metric Texas or an Imperial one?

      Neither --- it's a Republic...

    3. Re:Conversion units by Senor_Programmer · · Score: 1

      It's a Mercator Texas!

    4. Re:Conversion units by killermookie · · Score: 1

      It's 150 times the Library on Congress.

    5. Re:Conversion units by Thud457 · · Score: 1

      Haven't you been paying attention? They don't books in Texas.

      --

      the preceding comment is my own and in no way reflects the opinion of the Joint Chiefs of Staff

    6. Re:Conversion units by SEE · · Score: 2, Informative

      Imperial units weren't established until 1826, long after American independence, and were never adopted by the U.S. Among other differences, one was a different definition of the inch -- a U.S. inch was 2.540005 cm, and an Imperial inch was 2.53998 cm. In July 1959, the Canadian 2.54 cm inch was adopted as the International inch by the U.S. and the Commonwealth, but the U.S. continued to use the slightly longer U.S. inch (and foot/yard/mile) for surveying -- which includes surveys of Texas's area.

      Accordingly, a Texas is not Metric, nor Imperial, nor even International, but purely U.S.

    7. Re:Conversion units by evilviper · · Score: 1
      Think Darth Bush..

      That makes me wonder... Would Darth Vader have an amusement park dedicated to him?
      --
      Slashdot gets worse every day... Pipedot: News for nerds, without the corporate slant
    8. Re:Conversion units by el_munkie · · Score: 1
      As a new resident of Texas, I can assure you that _all_ Texas is Imperial.

      Think Darth Bush..

      As a resident of Texas who didn't vote for Bush or Kerry last fall (I did vote though), I'd have to say that that is one of the lamest Bush-bashings I've read so far. Regardless of what you think of his politics, put up a valid arguement.


      And oh yeah, you ignorant asshole, Bush was from Connecticut. So, quit trying to smear Texas because this carpetbagging yankee moved here.

    9. Re:Conversion units by Alan+Partridge · · Score: 0, Flamebait

      It was you shitkickers that gave the cunt his platform though.

      --
      That was classic intercourse!
    10. Re:Conversion units by Presidential · · Score: 1

      First, thank you for voting.

      Second, I wasn't referring to Jr.'s origin, but the last state he held as governor.

      Third, what argument? I'm making a farking JOKE.

      Fourth, the ad hominem attack of calling me an asshole has proven that your sense of humour was removed at birth. That is contrary to most Texans I've met, who smile large and friendly even when they don't know you.

      So, quit thinking I'm smearing Texas, you insensitive clod!

      --
      Whenever Mrs. Fitch breaks wind, we beat the dog.
  10. I for one... by Anonymous Coward · · Score: 0

    would like to ask, haven't we pooh poohed this before?

    1. Re:I for one... by FreeLinux · · Score: 1

      Yes, we did pooh pooh thisbefore.

      It would seem that this company is rather adept at generating press coverage.

    2. Re:I for one... by Anonymous Coward · · Score: 0

      Wow - this company is obviously bullshit. The website's management page sites a bunch on managers and flyboys, but who is designing this thing? I would think that you would want someone who has designed airships before? I just see some relatively low-level engineers on staff. Where did Dr. Lee get his PhD? It just says he conducted PhD work at Stanford. And he published one article on optimal control? What about writing a book on the aerodynamics of airships before you try to build one?

    3. Re:I for one... by Anonymous Coward · · Score: 0

      What about writing a book on the aerodynamics of airships before you try to build one? Maybe he has to build one before he writes a book on it?

  11. Stratellite disk by zbeeble · · Score: 4, Funny

    Straight out of Del boys mouth. "I just got one of those new Stratellite dishes"

    1. Re:Stratellite disk by Insipid+Trunculance · · Score: 1

      plonker!!

      --
      Wanted : A Signature.
  12. Too bad... by Karpe · · Score: 3, Funny

    It doesn't work at night. ;)

    1. Re:Too bad... by jmichaelg · · Score: 1

      Clearly, you didn't read the article...it has a payload of several thousand pounds which will just about cover the weight of the batteries. That means it won't operate day or night. It'll just sit there doing nothing all the time. Just like the guy in the next cubicle.

    2. Re:Too bad... by Alsee · · Score: 2, Funny

      In related news the Hobby-Eberly Telescope in west Texas (the worlds third largest optical telescope) has announced the discovery of an unidentified craft crossing the face of Jupiter.

      -

      --
      - - You can't take something off the Internet! That's like trying to take pee out of a swimming pool.
    3. Re:Too bad... by Anonymous Coward · · Score: 0

      No, just like you.

      You're fired, by the way.

    4. Re:Too bad... by Anonymous Coward · · Score: 0

      Fuel Cells would have a much better power-to-weight ratio.

      Therefore, their extensive use on spacecraft. Seems like the same thing would be in order on this device.

    5. Re:Too bad... by Anonymous Coward · · Score: 1, Interesting

      if there was a surplus of electricity during daytime, a fuel cell system would also permit reversibility - leading to the possible production of Hydrogen extracted from the water vapor in the air. And they can use that hydrogen to keep the ship aloft.

      Hmmm, actually, this is more interesting than I thought - they can use the gas bag as both buoyancy and fuel storage for the fuel cells. During the day, they reverse the fuel cells, producing hydrogen and oxygen - and at night, they consume a part of the hydrogen and vent the exhaust water vapor. As long as they don't over-consume the hydrogen ;-)

      That's pretty self-sustaining.

    6. Re:Too bad... by Anonymous Coward · · Score: 0

      That is totally screwed - how can any self respecting slashdotter stand the idea of not having connectivity at night...

    7. Re:Too bad... by Foxwell · · Score: 1

      You actually would not want to vary the amount of lift gas. It is in equilibrium only in one amount; more than that and you climb, until the gas has swelled to either burst its containment with relative pressure or been vented to prevent that; then you are back in EQ again. Less, and the craft sinks inexoribly under the excess weight until it drops that weight, generates some more lift gas somehow, or crashes.

      Also, it is quite foolish to use hydrogen for lift gas when helium these days is widely available and costs not so much relative to the whole cost of the airship. So any power storage hydrogen would need to be kept in a separate bag, either within the helium volume or outside risking getting ignited. (Not much is likely to make that happen way up there, true.)

      Since it is a hassle to liquefy hydrogen and I suppose that metal hydride storage would weigh far too much, I guess the thing to do with fuel-cell produced hydrogen is to store it as a gas under pressure in tanks. These would weigh far more than the lift of the hydrogen. Unfortunately the hydrogen gas will still produce lift, and would need to be compressed to 15 times the density of air around it to stop doing so. However at the operating altitude, 1 atm density is already 18 times ambient density there, so actually tanks that hold just 1 atm overpressure would do the job.

      Someone elsewhere estimated that it would take 45 kw for the airship to keep station. I think he overestimated drag and underrated prop efficiency. Still, take that figure. About 150 MJoule per hour, times 16 hours, 2.4 Gjoule are needed. If fuel cells get 60 percent efficiency, we need 4 Gigajoules worth of hydrogen stored.

      I believe the lower heating value of hydrogen is 120 MJ/kg. Therefore we would need about 32 kilograms of hydrogen stored overnight, to last 16 hours of winter darkness.

      A cubic meter is a large volume, and at 12 atmospheres absolute pressure you'd need 32 of them to hold 32 kg of hydrogen gas. But how much would such a tank weigh? More than metal hydride at more modest pressures?

      Anyway if we can generate 32 kg of hydrogen while also providing 45 kw of power to the motors during an 8 hour day, I think we are in business if the tank is not terribly heavy.

  13. gonna have to start RingTFAs now by ocularDeathRay · · Score: 3, Funny

    As usual I was reading the summary and skipping about every other line. I do this until I find something interesting to me.

    I was quite interested to learn that:
    over 300 people, including members of the media, personnel from the U.S. Department of Defense, Stationed in the stratosphere, well above the jet stream.

    and I think to myself "WOW those guys are WAY up there"

    --
    Obama is a twitter sock puppet
    1. Re:gonna have to start RingTFAs now by TDyl · · Score: 1

      I wish they all were - including shrub himself. And once in orbit we can then use them as a test subject for the latest anti-asteroid defence systems.

      --
      Todd: I hope it proves as delicious as the farmers that grew them
  14. Re:Wireless capability is a lot less than 300,000s by Z0mb1eman · · Score: 4, Interesting

    From TsameFA (actually, just the line above):

    # Line-of-sight to a 300,000 square mile area
    # Wireless capability (currently) to an area with a radius of 200 miles

    Radius 200 miles ~= 125,000 square miles, anyway... not sure if that counts as "a lot" less.

    And it seems to imply that the wireless capability will eventually be extended to approach the entire line of sight area...

    --
    ClutterMe.com - easiest site creation on the Net. Just click and type.
  15. They are still a penny stock by Anonymous Coward · · Score: 0

    Here is the Yahoo ticker if you are interested:

    gtel.ob

  16. Re:Wireless capability is a lot less than 300,000s by bombadillo · · Score: 1, Redundant

    MMmmm pi*r2 comes out to about 125,000 sqm

  17. So... by Anonymous Coward · · Score: 4, Funny

    Who is going to be famous for shooting it out of the sky?

    1. Re:So... by Anonymous Coward · · Score: 0

      ....Modded Interesting

      That is sort of scary.

    2. Re:So... by TDyl · · Score: 1

      Given that the usaf have a plan to shoot the European GPS system out of the sky then I think it ought to be Europe that shoots the bloody things down.

      --
      Todd: I hope it proves as delicious as the farmers that grew them
    3. Re:So... by jacksonj04 · · Score: 1

      Well, the USAF *think* they can shoot Gallileo out of the sky, but think about it. What do the missiles use to guide themselves.

      GPS.

      What is Gallileo?

      A GPS system.

      Go figure.

      --
      How many people can read hex if only you and dead people can read hex?
    4. Re:So... by YrWrstNtmr · · Score: 1

      Shoot 'it' down? No. Degrade or turn it off, maybe. But shoot down the whole constellation? Nope.

    5. Re:So... by TGK · · Score: 1

      Well we've invested billions (trillions?) of dollars in an ABM system that doesn't work, totaly eradicated the goodwill we earned ourselves by saving damn near all of Europe back in the 1940s, and left most of the world wishing there were still a totalitarian nuclear superpower for us to spit at so we'd leave the rest of the planet alone.

      But hey! We've got these neet kenetic interceptors! They can't hit a missile, but I bet they can hit a satellite!

      --
      Killfile(TGK)
      No trees were killed in the creation of this post. However, many electrons were inconvenienced.
    6. Re:So... by x_codingmonkey_x · · Score: 0

      I'm putting my money on meteors.

    7. Re:So... by TDyl · · Score: 1, Insightful

      "Saved Europe"? It took two fucking years to decide which side you were on.

      --
      Todd: I hope it proves as delicious as the farmers that grew them
    8. Re:So... by x_codingmonkey_x · · Score: 0
      Hmm I guess I would kinda lose most of my money there :P.

      According to this wikipedia article only 500 basketball sized meteors hit the earth every year. The question is, how many reach 20 km above the ground before they disintegrate?

    9. Re:So... by Anonymous Coward · · Score: 0

      saving damn near all of Europe back in the 1940s

      Ah! SO it was YOU who thought the movie U-571 was historically accurate.

      Meanwhile, in the real world....

    10. Re:So... by TGK · · Score: 1

      No.... my history degree served me well there too.

      But if I recall correctly, things didn't go so well in France before the Yanks showed up.

      (Hey, it's not like we've officialy pissed off the government of the UK).

      --
      Killfile(TGK)
      No trees were killed in the creation of this post. However, many electrons were inconvenienced.
    11. Re:So... by Anonymous Coward · · Score: 0

      *coughLendLeasecough*

    12. Re:So... by Anonymous Coward · · Score: 0

      It could shoot back. Add radar, FLIR and standoff weapons, and it could provide area security with delightfully long loiter times.

    13. Re:So... by yy1 · · Score: 1

      this company will last just until one of the things pops a leak and falls onto someones house or car or something.

      --
      Because, sometimes they just have to touch the stove.
      -YY1
  18. Great googlie wooglie! by FreeLinux · · Score: 3, Funny

    They are actually building this Hindengurg. If this thing so much as casts a shadow over my house, there will be hell to pay!

    1. Re:Great googlie wooglie! by yotto · · Score: 4, Informative

      It's 65,000 feet in the air, and is (From TFA) 245 feet on the long diameter.

      That's about .00006 (if I did the math right) degrees across. In case I did, it would be the same relative size as a 6 foot guy 1600 feet (About a quarter mile) away.

      IOW, if its shadow covers your house, you should be more concerned about your house than the shadow :D

    2. Re:Great googlie wooglie! by Anonymous Coward · · Score: 0

      IOW, if its shadow covers your house, you should be more concerned about your house than the shadow :D

      If it does, he might be able to assist us in answering that age-old question: How many angels can dance on the head of a pin? ;)

    3. Re:Great googlie wooglie! by Capt'n+Hector · · Score: 2, Informative

      You didn't do the math right. You incorrectly converted from radians into degrees. For high noon, with the thing directly overhead, the correct formula is (180/pi)*tan^-1(245/65000) which works out to about 0.22 degrees. That's about half the width of the sun, so this thing will never cause a complete shadow, just a 1/4 dimming over an area with length about 250 feet and tapering off to 0 at an area with length 500 feet.

      --
      Quid festinatio swallonis est aetherfuga inonusti?
      Africus aut Europaeus?
    4. Re:Great googlie wooglie! by yotto · · Score: 2, Interesting

      You are, of course, right. The number didn't look right (hence the disclaimer and the different way of looking at it).

      More insterestingly (at least to me), at dawn and dust, these things would, for a while, be brigher than the sky (becasue they would be in the sunlight while most of the sky would not). So you'd have a "morning star" and an "evening star" that stays in the same spot, forever.

      Of course, they'll likely paint it to look like the Pepsi logo or something.

    5. Re:Great googlie wooglie! by Capt'n+Hector · · Score: 1

      Don't feel too bad: I made the same mistake (pi/180) but then when I checked it for the 3rd time, and after recalling the occasional shadow of a passing jet liner, I figured the number had to be bigger. But about the advertising: it could be worse. imagine a big banner unfurled from the bottom, spanning thousands of feet. An episode of "The Simpsons" comes to mind...

      --
      Quid festinatio swallonis est aetherfuga inonusti?
      Africus aut Europaeus?
  19. JP Aerospace, anyone? by pyth · · Score: 4, Informative
    http://jpaerospace.com/

    They're planning to use such airships to launch ships into space, by slowly achieving orbital speed!

    1. Re:JP Aerospace, anyone? by LiquidCoooled · · Score: 2, Insightful

      I wonder, do you think they get high enough to warrant an extended journey on one?

      I would love to get up that high - its close enough to space for me :)

      An airship would be able to carry a larger suite of passengers for a thrilling few hours.

      --
      liqbase :: faster than paper
    2. Re:JP Aerospace, anyone? by zippthorne · · Score: 1

      I really wish they wouldn't fill these things with helium, what with the upcoming helium shortage.
      http://www.energybulletin.net/3135.html and http://wired-vig.wired.com/wired/archive/8.08/heli um.html
      detail the problem.

      Helium should be restricted to uses where there is no practical replacement. Cold temperature research should be the top of the list. Fusion should be next, but this probably won't significantly impact the He market since He-3 is a pretty rare isotope. Gas mixes for deep divers should be somewhere following (commercial before recreational of course). Balloons and Blimps shouldn't even be on the list: Hydrogen is a perfectly accptable replacement, is renewable (can be extracted from water and hydrocarbons) and the danger can be mitigated. hydrogen in childrens balloons would produce a very loud pop if ignited, but you'd have to put a candle to the balloon to do it. Hydrogen in blimps should be safe as long as we don't make the skins out of rocket fuel.

      Yes I am aware that divers sometimes replace He with hydrogen, but it has many trade-offs that should not be forced: Under pressure, He/O2 mixes can be explosive, so the mixer must be very careful to limit the partial pressures of each, thermal properties of hydrogen, and the rate of hydrogen take-up in tissues are all factors to consider there.

      High volume, low impact uses should at least try to avoid using He, leaving more for people who can get more use out of it.

      Darn you hindenburg for creating a huge negative perception of hydrogen. And your crazy announcer too. Think how much cooler our cities would have looked with derigibles floating all over the place.

      --
      Can you be Even More Awesome?!
    3. Re:JP Aerospace, anyone? by Foxwell · · Score: 1

      The best way to conserve helium would be to use it airships. While the cost of helium is not high anymore compared to the overall cost of an airship, it costs enough that airship operators do what they can to retain it. Compare that to the other uses helium is put to, such as pressurizing rocket fuel tanks, or for welding. Most every other use wastes the stuff instantly into the atmosphere.

      It is not just cost that is involved. An airship is in delicate balance between lift and weight. If it loses even one kilogram of lift, that kilogram of excess weight will drag it down constantly. Airship operators are motivated to keep lift and weight _exactly_ in balance. With hydrogen this was done by venting gas as fuel was burnt--this strikes me as sloppy and wasteful. Since that was unthinkable back when helium cost relatively a whole lot, American airship operators figured out ways to avoid venting it, and to avoid it getting contaminated or leaking out, and to recycle contaminated gas rather than throw it away.

      Your idea that hydrogen is acceptably safe is way off base. I have replied at length on this topic elsewhere. It is true that if we didn't have helium I would rather we had hydrogen airships than none at all, but people would be _justifiably_ worried about them. By long experience accumulated with more than their share of good luck in the early days, Zeppelin company people and the German military folks they trained learned to _usually_ prevent hydrogen fires. But when their precautions failed, the destruction was rapid and spectacular--and devastating. Don't underrate it. Hindenburg had 15 tonnes of hydrogen in its hull, but that released energy equivalent to the burning of 50 tonnes of gasoline--which is about comparable to the energy released by 500 tonnes of TNT! (Explosives are not as power-packed as fuels are, they just release what they have more rapidly.) Hindenburg did not explode, but it burned all that hydrogen up in under a minute. The rate of spread of fire from one hydrogen cell to another deserves to be called "explosive" though I do avoid the term since it has only poetic accuracy. (Had Hindenburg's hydrogen been optimally mixed with enough oxygen to burn it all instantly, the resulting explosion would probably have leveled Lakehurst Naval Air Station.)

      The skin by contrast--even if it were "rocket fuel," it only massed 5 tonnes. It hardly seems likely that it could match even the heat release of 5 tonnes of diesel fuel, let alone 50.

      The people who claim that the skin was "explosive," or self-igniting, or even severely flammible, are irresponsible at best and at this point they ought to know they were wrong, and if they persist they are lying. An Internet friend of mine, William Appleby, went to the trouble of replicating the formula for Hindenburg's skin, as well as several variations on the theme including one that used a much more flammible dope than Zeppelin actually used on their late model airships (because it used to be used on older ones and someone might muddy the waters by claiming the Hindenburg used it, so he checked that varient too). What he found was that it took most of a minute for that fabric, ignited by a candle flame, to burn a distance of one foot. At the rate that skin burned, it would take _hours_ to burn the 245 meter length of the great airship, which actually was in flames stem to stern before it hit the ground just seconds after flames were first observed. The skin was clearly of no significance whatsoever in the disaster; it could have been pure asbestos and the outcome would have been much the same.

      Link here!

      Or here it is; fix the space Slashdot inserts for reasons that elude me:
      http://www.sas.org/tcs/weeklyIssues/2004-12-1 7/pro ject1/index.html

      Only if the skin _sparked_ the fire could it be said to be a significant factor, but there is zero evidence the fire started anywhere on the skin. Nor does it have the bi

  20. "utilizing proprietary lifting gas technology" by Senor_Programmer · · Score: 4, Funny

    Can anyone parse,
    "...utilizing proprietary lifting gas technology",
    in a way that makes sense?

    1. Re:"utilizing proprietary lifting gas technology" by pmonje · · Score: 2, Funny

      fizzy lifting gas, yo.

    2. Re:"utilizing proprietary lifting gas technology" by Nataku564 · · Score: 1

      Fizzy Lifting Drink, you insensitive clod!

    3. Re:"utilizing proprietary lifting gas technology" by Anonymous Coward · · Score: 0

      Fizzy lifting bubbles. Just watch out for the big exhaust fan. Also, you burp to lose altitude. Good luck, pilot!

    4. Re:"utilizing proprietary lifting gas technology" by Spad · · Score: 4, Informative

      It's called Helium

    5. Re:"utilizing proprietary lifting gas technology" by t_allardyce · · Score: 1

      vapour?

      --
      This comment does not represent the views or opinions of the user.
    6. Re:"utilizing proprietary lifting gas technology" by potentiallyprofound · · Score: 4, Funny

      It's 'lifting gas', as in, gas that lifts. Y'know, like 'running man', or 'overreacting slashdotter'. "...utilizing proprietary overracting slashdotter technology, the publicist was able to create a buzz about his software in a matter of minutes"

    7. Re:"utilizing proprietary lifting gas technology" by Smidge204 · · Score: 2, Interesting

      I've always thought... since Helium produces it's lift because it displaces the denser air, thus making the entire object less dense and buoyant, wouldn't the best lift be had if you created a vacuum inside the vessel?

      Obviously there are structural issues associated with this, but I'm almost imagining that you could start with helium at (or slightly below) atmospheric pressure, and use a pump to evacuate the volume as it ascends. That way the pressure inside the vessel can be balanced to the surrounding air and you can get very near the edge of space without too much structure to keep it from exploding/imploding. (And except for the helium molecules being so small, gas leakage would be minimal with no pressure differential across the membrane!)

      Maybe that's how they do it... with 3000 pounds of payload capacity they have plenty of room for a vacuum pump, and they didn't say how long it takes to get that high!
      =Smidge=

    8. Re:"utilizing proprietary lifting gas technology" by Anonymous Coward · · Score: 0

      It just means the airship uses some technology based on gas that the company doesn't want to detail.

      Utilizing = use
      proprietary = in-house / not-for-public-consumption
      lifting gas = The material involved is gaseous. It functions in a lifting capacity.
      technology = well, you should know this one:).

    9. Re:"utilizing proprietary lifting gas technology" by zippthorne · · Score: 4, Insightful

      density helium = .1785 kg/m^3
      density air = 1.29 kg/m^3

      so the lift of a "pure vacuum" blimp would be about 14% better than that of a helium blimp. So you must make the structural mass of your "vacuum blimp" is smaller than than the extra lift.

      --
      Can you be Even More Awesome?!
    10. Re:"utilizing proprietary lifting gas technology" by mindstrm · · Score: 1

      A vacuum only gives you something like 10% more buoyancy, but it would take more than 10% more material to make something rigid capable of holding that vacuum.. it's not worth it.

    11. Re:"utilizing proprietary lifting gas technology" by Scoutersaurus · · Score: 1

      Well I'm sure they've patented this technology or are attempting to patent it. If so, then that's your best source for getting the nitty gritty details of the technology.

      Now getting the patent search done -- that's another story ;)

    12. Re:"utilizing proprietary lifting gas technology" by refujee · · Score: 0

      Sounds to me like their proprietary technology is just ripped from Willy Wonka and the Chocolate Factory.

      BURP CHARLIE!

    13. Re:"utilizing proprietary lifting gas technology" by Shotgun · · Score: 1

      Very old technology. You evacuate the air by heating it. 8*)

      --
      Aah, change is good. -- Rafiki
      Yeah, but it ain't easy. -- Simba
    14. Re:"utilizing proprietary lifting gas technology" by zippthorne · · Score: 1

      arg seems i did my math wrong,

      1.29/(1.29-.1785) = 1.16

      or 16% improvement.

      --
      Can you be Even More Awesome?!
    15. Re:"utilizing proprietary lifting gas technology" by Anonymous Coward · · Score: 0

      Helium will escape from the balloon over time because it is tiny and can't be easily contained by a thin sheet of matter like the light-weight type generally used on balloons. The "proprietary lifting gas technology" is a scheme for replacing the lost helium so that the balloon doesn't sink over time.

    16. Re:"utilizing proprietary lifting gas technology" by Foxwell · · Score: 1

      Your idea of sneaking up on the lift a high altitude system would need by only _slightly_ empyting a chamber at sea level is a new one on me, and less unworkable than the impossible idea of totally emptying out a hull on the surface. Still, the structural issues are indeed formidable. It is clearly going to be much harder to keep air _out_ of a lightweight shell than to pump some _in_, and yet the weight of blimp hulls, which need only hold pressure in, is quite high compared to the total lift.

      Helium has 80 percent and more of the lift of a comparable volume of vacuum, and presents _none_ of the structural problems you acknowledge. Since clearly the shell to withstand even partial atmospheric pressure must have substantial strength, and therefore weight, it is very doubtful this approach can work at all.

      And what would be wrong with using helium anyway?

  21. re: WOW! by Anonymous Coward · · Score: 0

    Your post indicates a scatological mind.
    What I'm trying to say is, What the hell are you on about, shit for brains?

  22. Re:Wireless capability is a lot less than 300,000s by Anonymous Coward · · Score: 1, Funny

    And a -1 Overrated for using your karma bonus to post the above. Talk about not knowing when to say when.

  23. Heads up! by Kymermosst · · Score: 1, Funny

    What happens when this thing malfunctions and falls out of the sky?

    --
    "Alcohol, Tobacco, Firearms, and Explosives" should be a convenience store, not a government agency.
    1. Re:Heads up! by potentiallyprofound · · Score: 1

      I don't know about you, but I've got a bunker in my backyard, should one of the many planes/weather balloons/rocketships fall out of the sky. I figure this should do just fine for that.

    2. Re:Heads up! by Anonymous Coward · · Score: 3, Funny

      What happens when this thing malfunctions and falls out of the sky?

      My bet is that it'll hit the ground.

    3. Re:Heads up! by mbaciarello · · Score: 3, Interesting

      Mmmh... Forgive the metricness, but assuming that: the supporting structure weighs as much as its payload (not sure about this estimate); it has the same drag coefficient as a Boeing 747; its cross-sectional area is a 44.20*26.52 meter rectangle (probably overestimated?); a constant air density of 1.2 kg/m^3 (sea-level, conservative); a gravitational acceleration of 9.72 m/s^2 (troposphere level, conservative)...

      The thing should come down at a terminal velocity of 35.12 m/s, corresponding to a kinetic energy of roughly 1,678,399.48 J or 4.11e-10 megatons. For comparison, a .45 bullet has 779.59 J at muzzle level. Too tired to look up grenades and other amenities.

      Not much of a WMD even if it weighs ten times as much as I've supposed, anyhow, but still I wouldn't like it to fall on my home... Especially because that 3,000 lbs. payload should be pretty dense.

      I hope someone can check this since I'm tired and I haven't been playing armchair physics for a long time...

    4. Re:Heads up! by DigiShaman · · Score: 2, Funny

      If it does, I hope it falls in my backyard. Cause man...I'm gonna e-bay that puppy!

      --
      Life is not for the lazy.
    5. Re:Heads up! by Kymermosst · · Score: 1

      What happens when this thing malfunctions and falls out of the sky?

      My bet is that it'll hit the ground.

      Now, why didn't I think of that?

      I'd also presume old Skylab jokes would resurface.

      --
      "Alcohol, Tobacco, Firearms, and Explosives" should be a convenience store, not a government agency.
    6. Re:Heads up! by UlfGabe · · Score: 1

      its a blimp, it will gently touch down with 4 years warning.

      --
      Check journal for info on Anti-TextBook, an idea by me.
    7. Re:Heads up! by gstoddart · · Score: 1
      What happens when this thing malfunctions and falls out of the sky?

      Dropped signal?

      =)
      --
      Lost at C:>. Found at C.
    8. Re:Heads up! by Kymermosst · · Score: 1

      its a blimp, it will gently touch down with 4 years warning.

      Unless the aforementioned malfunction is in the stitching.

      Maybe we could apply the term "wardrobe malfunction" to a popped blimp.

      --
      "Alcohol, Tobacco, Firearms, and Explosives" should be a convenience store, not a government agency.
    9. Re:Heads up! by Foxwell · · Score: 1

      I don' t have time to check the numbers right now, but remember the whole structure has a density of the air at its working altitude, about 1/8 the density of air at the surface, which is itself about 1/800 that of water. If it descends, even under full control and power, it will need to take air into 7/8 of its interior, but even then the overall density will be exactly that of air--this is what it means to be in buoyant equilibrium after all!

      If the concentrated loads fall off, that is another story of course, but the same is true of any aircraft. Airliner toilets sometimes accumulate ice on their vents, and these "Icy BMs" crack loose when the plane descends to airports--which are near cities generally, and they often approach right over them. I don't know if any human being has ever actually been hit by one of these ice masses, or if that wa just a clever idea for a 6 Feet Under episode, but sooner or later it is bound to happen if it does not happen fairly often already.

      Meanwhile--I don't suppose a downed airship is totally harmless, Mainly it would drape itself over whatever it crashed on and tangle it up. Could be a serious problem if it came down on a busy street intersection.

      But there would be plenty of warning. If the ship completely loses its lift gas but otherwise keeps its integrity, it will weigh little more than air but have tremendous area, so I think your terminal velocity is very high.

  24. WOULD SOMEONE PLEASE... by Anonymous Coward · · Score: 4, Informative

    change the parent post to Funny rather than Informative or Insightful. The AC post was a joke, made up by the AC, me. Any resemblance to factual matters is purely coincidental.

    1. Re:WOULD SOMEONE PLEASE... by BigGerman · · Score: 2, Funny

      Maybe they need, you know, to be able to attach nickname or something to posting so we can tell one AC from the other. Oh, wait..

  25. True Vaporware! by Omega1045 · · Score: 3, Funny

    This really adds a new dimension to the term "Vaporware".

    --

    Great ideas often receive violent opposition from mediocre minds. - Albert Einstein

  26. No need to worry... by Anonymous Coward · · Score: 0

    No need to worry until they start sniping from the helicopters.

    1. Re:No need to worry... by FleaPlus · · Score: 1

      Or even worse, orbital sniping:

      Orbital Eunuchs Sniper (very fun game, btw, and runs on Linux)

  27. Re: WOW! by trewornan · · Score: 1

    I think he's just got small gestalts.

  28. +5 Informative - ROFLMAO by Anonymous Coward · · Score: 1, Funny

    An amusing and false troll gets moderated +5 Informative, despite the troll's pleas to moderate as a joke. Film at eleven.

    Slashdot mods on crack. You don't even want to see this film.

  29. What's the Frequency Kenneth? by bluedream · · Score: 4, Insightful
    Anybody catch what frequency this contraption is going to operate on?

    Somehow I don't think it is going to be on a unlicensed frequency.

    --
    savethedollhouse.com
  30. I love airships by tsotha · · Score: 5, Insightful
    I love airships, and I really, really want them to return to the skies, since it's a technology that has a lot of room to develop if someone can get it off the ground. But this outfit has the feel of a fly-by-night stock scam. Listen to what the CEO has to say:

    "In my opinion, the media is reporting on the progress of Sanswire One as they recognize the potential of our airship and the potential of causing what I always refer to as a paradigm shift in the telecommunications industry."

    and here:

    "This shows his belief in what we are trying to achieve at Sanswire. His innovative approach and out-of- the-box thinking is enabling us to successfully execute the program."

    This is buzzword bullshit completely devoid of meaning, the kind of stuff you tell potential investors when you realize your scheme is gonna cost a whole lot more than you'll ever make. I'm thinking if they actually had a viable business plan you would hear something with a little more content from the CEO.

    1. Re:I love airships by potentiallyprofound · · Score: 2, Insightful
      I think he's just saying the following:

      "In my opinion, the media is interested because there is potential that this could cause big changes in telecommunications."

      and

      "This shows his belief in what we are trying to achieve - the ideas he came up with are allowing us to make this work." Seems pretty sensical to me.

    2. Re:I love airships by Senor_Programmer · · Score: 2, Informative

      Me too. But as an investment, the NASA helios is a proven platform that just needs a bit of refinement. Maybe a Helios inspired GPL project? I'd be willing to run if there is sufficient interest.

    3. Re:I love airships by 0olong · · Score: 2, Insightful

      This is buzzword bullshit completely devoid of meaning Which applies just as much to the parents post as to Sanswire's CEO. Let's base our criticism on facts, shall we?

    4. Re:I love airships by Geoffreyerffoeg · · Score: 1

      fly-by-night

      It flies by day, also.

    5. Re:I love airships by Anonymous Coward · · Score: 0

      Your right, CEO's of real companies never use buzzwords.

  31. PARENT FUNNY, NOT INFORMATIVE by ZackSchil · · Score: 2, Funny

    Well, I tried to mod this funny, but I was told the comment was at its limit. So I tried to make it overrated, so someone could mod it back up as funny, but it said I'd already moderated the comment. Oh well. Damn slashcode bugs.

  32. Above the jet stream? by the+plant+doctor · · Score: 0

    Ok. I heard a story on this on NPR last week. The comment was made that it would be above the strong winds that could tear it apart. So how do they get it past that level of the atmosphere to begin with?

    1. Re:Above the jet stream? by Anonymous Coward · · Score: 0

      The jetstream doesn't cover the entire globe. It also moves north or south depending on the time of year, so you could time launches so the vehicle could reach altitude while the jet stream isn't in the way.

      You could also probably launch them a few hundred miles away and move them once they're at the correct altitude.

    2. Re:Above the jet stream? by the+plant+doctor · · Score: 0

      I realize the jetstream doesn't cover the whole earth but the way the report sounded the layer in question involved the jetstream and other winds. Sorry I'm not overly familiar with the earth's atmosphere.

  33. no word on its bandwidth or safety capabilities by artifex2004 · · Score: 1, Interesting

    I'm leery about the system they're showing, if they aren't ready to discuss bandwidth per customer and total numbers of simultaneous connections, etc.

    Also, how heavy is it going to be, and how dangerous will it be for something like that, with its 3,000 pound payload capacity, to land for refueling? What if strong winds hit it, and it drifts off course? Have they built their refueling stations far away from population centers, so that if these start to get carried off by the wind, they can drop them more quickly, without running the danger of landing on buildings, etc.? What if they somehow lose radio contact?

    1. Re:no word on its bandwidth or safety capabilities by Anonymous Coward · · Score: 2, Interesting

      The winds at the altitude these craft are designed to fly at are negligable. They are not hot air balloons, which don't have any propulsion of their own.

      These would have means of controlling themselves thru wind layers just like blimps and derigables do today. Once low enough to the ground you can have ground handlers grab the tethers and haul it in.

    2. Re:no word on its bandwidth or safety capabilities by Sparr0 · · Score: 1

      First of all, if one of these hit your house at 60 MPH it *MIGHT* break a window or scratch off some paint. Secondly, who says it has to land? If I put one of these in the air I would never land it. Put the most expensive batteries you can on it. When they run out you get a high altitude airplane to fly over the blimp and drop another set via parachute (to be grabbed by hook and line, most likely), and the blimp drops the old set via parasail which is guided back to ground remotely (or just dropped without a chute straight down onto a landing facility owned by the company with the equipment to keep it from making a dent).

    3. Re:no word on its bandwidth or safety capabilities by artifex2004 · · Score: 1
      Are you just trolling?

      First of all, if one of these hit your house at 60 MPH it *MIGHT* break a window or scratch off some paint.


      What? 3000 pounds of payload, not to mention what the device itself weighs. If a 3000 pound car hit your house at 60 MPH, do you think that's all it will do? Now imagine 3000 pounds landing on your roof, which is much more likely than running into it from the side. Now imagine the device is approaching terminal velocity, instead.

      Secondly, who says it has to land?

      You must not have read the article, where they talked about landing them.

    4. Re:no word on its bandwidth or safety capabilities by Timbotronic · · Score: 1
      I'm sure they'd like to avoid landing it too. The main problem is Helium defuses through the walls of airships and they have to be reinflated fairly regularly. You can slow down the defusion by building thicker walls with denser materials but there's always going to be a weight and cost tradeoff there.

      The other issue is equipment maintenance. It'll be interesting to see if cosmic radiation causes them any trouble at 60,000ft. It's pretty strong at that level.

      --

      One of these days I'm moving to Theory - everything works there

    5. Re:no word on its bandwidth or safety capabilities by WonderSnatch · · Score: 1

      I'm leery about the system they're showing, if they aren't ready to discuss bandwidth per customer and total numbers of simultaneous connections, etc.

      I was just wondering about the same thing. That's a pretty big area to try and cover with just one Stratellite (or whatever you want to call it). That would be kind of like putting everyone in that area on the same subnet. There's only so many frequencies and so much bandwidth, and all of those people will have to share. Doesn't seem like a very good solution for wireless broadband everywhere.

    6. Re:no word on its bandwidth or safety capabilities by Anonymous Coward · · Score: 0

      Are you just trolling?

      Seemed pretty obvious to me he wasn't being serious ("get a high altitude airplane to fly over the blimp and drop another set [of batteries] via parachute (to be grabbed by hook and line, most likely)". If you want to call that trolling...

    7. Re:no word on its bandwidth or safety capabilities by mindstrm · · Score: 1

      They don't need to discuss bandwidth per customer and total numbers.. this thing can carry a payload.. which means it can carry all kinds of communications equipment, equipment which can be changed over time.

      As for weight: If strong winds it it? there is very little wind, ever, at 65000 feet.

      It doesn't refuel, i'ts SOLAR powered...

    8. Re:no word on its bandwidth or safety capabilities by yotto · · Score: 1

      If the stratellite is kept REALLY still, they could use directional "rays" of waves (Actually, they could do it even if it jostled around a bit, but not as accurately). So someone a couple [dozen|hundred] miles from you could be using your exact frequency an neither of you would ever know.

    9. Re:no word on its bandwidth or safety capabilities by jamrock · · Score: 1
      Have they built their refueling stations far away from population centers

      Refueling stations? Didn't they say that these things would be driven by solar-powered electric motors?

    10. Re:no word on its bandwidth or safety capabilities by Em+Adespoton · · Score: 1

      Time to look up defuse and diffuse.

    11. Re:no word on its bandwidth or safety capabilities by Timbotronic · · Score: 1

      Fair call Em. I should know better - the way people use "their", "there" and "they're" drives me nuts!

      --

      One of these days I'm moving to Theory - everything works there

  34. bandwith? by 0olong · · Score: 3, Informative

    The Stratellites are unmanned airships and will be monitored from the Company's Operation Centers on the ground. I wonder what bandwith the connection with ground control would have. For large scale ISP services less than many many Gb/s would be insufficient. Anyone here able to estimate whether such would be a serious bottle neck or not? (I guess they might have just lowered a cable if it wouldn't be accompanied by giant lightning rod like properties)

    1. Re:bandwith? by mrchaotica · · Score: 1
      I guess they might have just lowered a cable if it wouldn't be accompanied by giant lightning rod like properties
      Fiber optic, maybe? Or tight-beam microwave transmission?
      --

      "[Regarding the 'cloud,'] ownership was what made America different than Russia." -- Woz

  35. Re:Wireless capability is a lot less than 300,000s by fungus · · Score: 4, Informative

    Read this if you are sceptical about Sanswire claims.

  36. Luxury homes by Aggrav8d · · Score: 2, Funny

    ...are these giant jetstream straddling, solar-powered technological oasies available as luxury homes? I imagine with carefull planning you could drag the definition of "hermit" kicking and screaming in exciting new directions.

    1. Re:Luxury homes by mrchaotica · · Score: 1

      Or you could be like that guy in Contact and live in a 747.

      --

      "[Regarding the 'cloud,'] ownership was what made America different than Russia." -- Woz

  37. And the investors made a mad dash for the exits. by FreeLinux · · Score: 1

    This Stratelite was on Slashdot nearly a year ago. They are now at a point of almost having a mockup built.

    Sanswire has yet to get anything off the ground. Frankly this company and the flurry of press coverage smacks of venture capital investment scam, to me. There's a whole lot of hype and not much substance.

  38. It *is* still vaporware by billstewart · · Score: 4, Informative
    It sounds like it's more advanced vaporware than in the past, but it's still vaporware. One of the news articles has a bit more information: "Wisconsin communications company Sanswire unveiled its almost-finished prototype of a hard-framed, unmanned airship designed to fly in the stratosphere 21 km above the earth and send broadband and mobile phone signals to an area the size of Texas." and quotes them discussing FAA certification as "We don't have a test date, but we're hoping for midsummer," "But we're still years ahead of any other program doing anything like this."

    They've been hyping this for years, and while the telecom crash of the early 2000s kicked the chair out from under their business plans, they'd still be really really cool if they ever deployed the bloody things.

    By the way, their PR mockup picture of the Stratellite looks amazingly like the whale in the Hitchhiker's Guide to the Galaxy.

    --

    Bill Stewart
    New Fast-Compression-only CPR http://preview.tinyurl.com/dy575ks
    1. Re:It *is* still vaporware by HiThere · · Score: 1

      I wonder what their bandwidth is. Could they SUPPORT internet connections over an area the size of Texas?

      (Actually, I suppose they could if they lauched it in North Dakota, but I'm less certain if they launched it from Kansas City.)

      Still, at "several thousand pounds" it could carry a lot more than most satelites. And the lag time would be LOTS less. But I suspect a lower altitude would give better quality coverage. 5Km up would be nice for cities and counties, and would need to carry less equipment.

      OTOH, "just below the jet stream" might cause problems with aircraft collisions. Pilots just aren't expecting an obstacle 5 miles up unless they're around the Himalayas.

      Still, once they can get them certified, I bet there are a bunch of countries that would like to save money on stringing phone wires to all their rural districts.

      --

      I think we've pushed this "anyone can grow up to be president" thing too far.
    2. Re:It *is* still vaporware by cerberus4696 · · Score: 1

      IIRC, the class A airspace ends at 60,000 feet, and there aren't any aircraft in common use that go above 51,000 or thereabouts, so aircraft collisions aren't going to be a problem.

    3. Re:It *is* still vaporware by baughdw · · Score: 1

      Much more information here

  39. thefart.. by slashmojo · · Score: 1
  40. Um... by Kagura · · Score: 3, Funny

    "...utilizing proprietary lifting gas technology"

    What, a BALLOON?!

    1. Re:Um... by dr_dank · · Score: 1

      Its full of lighter-than-air gas, has turbofans on it, but its not a blimp!

      I've never seen an aerospace venture with such a case of denial.

      --
      Where does the school board find them and why do they keep sending them to ME?
    2. Re:Um... by drinkypoo · · Score: 1

      If it's rigid, it's a zeppelin. (unless it's one big internal space...)

      --
      "You're right," Fisheye says. "I should have set it on 'whip' or 'chop.'"
    3. Re:Um... by K8Fan · · Score: 1
      What, a BALLOON?!

      It's not a balloon! You stupid little thick-headed Saxon git! It's not a balloon! Balloons is for kiddy-winkies. If you want to play with balloons, get outside!

      - - Ferdinand von Zeppelin "The Golden Age of Balooning"

      --
      "How perfectly Goddamn delightful it all is, to be sure" Charles Crumb
  41. I see the Department of Defense included by MrSoundAndVision · · Score: 0

    in that list of interested parties. But hey, at least this technology will serve the public interest in that it will provide convenient internet access! What a trade! Our privacy for high speed internet access! No wait, even better, trade our privacy for high speed internet access we not only pay for already with our taxes, but pay for again by subscribing to companies like Verizon. And pay for again because these filthy corporations aren't taxed as they should be. Only in America.

    1. Re:I see the Department of Defense included by Anonymous Coward · · Score: 0

      It's not a good idea to show how ignorant you are.

      DOD has been pursuing R&D projects for high-altitude airships for some time now. There are direct battlefield reconnaisance and surveilance applications as well as certain comms support. They'll send someone to check it out, but mainly to see if it is of any interest for their own projects.

  42. I bet they are using hydrogen by jsimon12 · · Score: 1

    I would not doubt it if they were using HYDROGEN. It is cheaper more plentiful and has more lifting power then helium.

    1. Re:I bet they are using hydrogen by Steve1952 · · Score: 1

      Hydrogen, with perhaps some type of other gas mixed in to reduce the risk of explosion. This other gas would be the "proprietary" part.

    2. Re:I bet they are using hydrogen by drinkypoo · · Score: 1

      Yeah, some kind of gas like... helium!

      --
      "You're right," Fisheye says. "I should have set it on 'whip' or 'chop.'"
    3. Re:I bet they are using hydrogen by poningru · · Score: 1

      sorry I have to call a myth on that, the notion that H is more dangerous than He is a misconception that is prevelant ever since the hindenburg incident, there was a large NASA backed study (partially covered on a NOVA documentry) that concluded that there is only marginal reduced risk with He as opposed to H, the risk can be reduced even further and removed if proper precautions are taken.

      --
      Calm down people, its a religion not an operating system.
    4. Re:I bet they are using hydrogen by Foxwell · · Score: 1

      Hydrogen has the greatest range of flammibility of any gas known in air, 4% to 78%. Just what sort of anti-reaction substance are you thinking of?

      Flame is a chain reaction. Basic chemical formulas tell us whether a reaction is going to go forward at all, but only kinetics can tell us at what rate. If we can lower the _rate_ of reaction enough, or dilute the amount of heat released by previous reactions going into components of potential future reactions, we can lower the probability that one reaction will trigger another below 50 percent, and thus statistically the chains will die out instead of multiply to use up all the reactant at once. But how do we do this? Only by diluting the reactants with neutral gases (which includes reactants that don't have complimentary reactants to pair up with, if you can sequester these or they are all consumed.)

      The trouble is, if you dilute hydrogen with anything to the point that its lift is less than helium's, what is the point of the exercise? To save money? And I think the chances are zero that
      _any_ substance that would weigh that little in the mix can possibly do much to lower the range of flammibility of the hydrogen it is mixed with. Some perhaps, but certainly not a worthwhile amount.

      Helium costs more than hydrogen, but at modern prices the cost is only a small fraction of the cost of an airship. Why not just use helium, which is absolutely fireproof?

      I just disbelieve this talk of "proprietary gas technology."

    5. Re:I bet they are using hydrogen by Foxwell · · Score: 1

      I mentioned a study that proved that the skin of the Hindenburg was _not_ a firetrap, but was actually quite difficult to set afire at all, and burned with only a mild flame.

      Here it is.

      That's
      http://www.sas.org/tcs/weeklyIssues/2004 -12-17/pro ject1/index.html

      Clearly the Hindenburg burned by hydrogen fire, and the skin was almost totally irrelevent, as all common sense and the best expert minds gathered immediately to analyze the disaster have always agreed.

      Are you aware of the many other hydrogen lifted airship fires? Ever heard of the US Army's semirigid Roma? The R-38 that the US Navy was buying from Britain that we designated the ZR-2? The deaths by fire of almost the entire complement aboard R101 _after_ it gently crashed, with no known injuries of anyone aboard, near Beuvais, France? The Dixemude, which apparently exploded in mid-air one day over the Mediterranian, probably because the French Government would not pay for new gas cells or an adequate hydrogen supply to maintain minimal necessary gas purity? There are many others. It is quite true that many hydrogen lifted airships did _not_ burn, but this merely shows that care was taken, not that the ships were safe.

      In what way can helium's "risks" be said to be comparable to hydrogen's? Helium does not burn under any circumstances! In what way could hydrogen possibly be prevented from posing any risk of fire?

      Here's a freebie for you. Possibly the Hindenburg disaster might have been prevented if there were better forced draft circulation of air from the interior to the outside. The ship "prevented" fires in part by flushing the air inside in case there were small leaks--but the system relied on motion through the air to drive it, and the fire occured during mooring, when airspeed had dropped to a crawl.

      But by no means could you prevent all risk of those thin gas cells being set alight, and once that happened, a chain reaction burning all of them would be inevitable. All you can do is reduce the risk, and claim that the chances of disaster are acceptably small compared to the benefits offered by the airship. If I knew helium was not available, I might ride in your hydrogen lifted ship, but most people would very reasonably ask, why not take an airplane or a helicopter even, instead? And why should they risk your dream airship crashing down on them in flames?

      If a helium airship is wrecked, it is kind of embarrasing--and to be honest, people have been killed. Descending helium ship wreckage _might_ do some damage. But hydrogen ship wreckage from the same disaster would be plummeting down in flames, with no lift gas to cushion the fall either.

      What is your trip against helium, anyway?

  43. Please don't mix units. by verloren · · Score: 3, Funny

    I understand the area covered in Texases, but what's this "pounds" of payload? How many VW's is that?

    1. Re:Please don't mix units. by Skuld-Chan · · Score: 1

      Its about half a volkswagon bug :).

  44. Ecosystem? by NoseBag · · Score: 2, Funny

    Here's a thought:

    If these puppies are to be up there for 18 months (yes, I RTFA), will they comprise a new "environment" that species could adapt to?

    The floaty things would make a great rest area for migrating birds or bugs. Birds that migrate at 65K feet, that is. Maybe I should rethink this...

    --
    Cloned foods give the statement "We had that last week!" a whole new meaning.
  45. Real or Moeller Airocar? by Anonymous Coward · · Score: 0

    TFA doesn't have much scoop about what was shown other than Sanswire press hype.

    Since the picture shows a big hole in the side, i'm guessing nothing actually flew. building a static display is a little more difficult than actually flying at 65,000 feet or even 10,000 feet.

    There is a static display of a Moeller at the factory. They will show it to anyone.

    1. Re:Real or Moeller Airocar? by Anonymous Coward · · Score: 0

      or as i meant to say, 'a little easier'

  46. Dear Verizon CEO, your statement does not apply by Anonymous Coward · · Score: 1, Insightful

    This is not about municipal wifi but about stately wifi.

  47. Re:+5 Informative - ROFLMAO by Anonymous Coward · · Score: 0

    Slashdot mods on crack. You don't even want to see this film.

    Seen it? I've LIVED it baby!

  48. ALL THE MORE REASON TO BE THANKFUL by Anonymous Coward · · Score: 1, Insightful

    Think of how it might have been if they had decided to join the Axis and annihilate your sorry ass instead of saving it.

    Doesn't matter how long it took them to decide, in World War II the United States of America saved Europe's ass! If they hadn't, your post would have been in German.

    1. Re:ALL THE MORE REASON TO BE THANKFUL by StormKrow · · Score: 1

      Nah, they wouldn't have been able to post at all. Adolf Hitler the 3rd would've made it a capital offense to even own a computer let alone post. If they were part of the underground MAYBE they would be able to post, if they were able to post at all. It'd be on an old scrounged Speak n' Spell w/ B&W television for a monitor that you had to change the channels with a pair of pliers. "Vat do owr citizens need vitz za computer? Thees ees for official party use only."

      --
      Who cares about the ozone layer?...thanks to CFC's I can write my name......IN CHEESE!!!
  49. Keeping them up longer by serutan · · Score: 1

    The article mentions that the maximum time in the air for one of their balloons is 18 months, then it's replaced and brought down for "refitting" and then sent back up. The refitting is probably to replenish the helium, or whatever they use -- the site says "proprietary lifting gas technology" (gimme a break). The folks from LiftPort who are developing the Space Elevator talked about this problem with balloons in their presentation at NorWesCon a couple weeks ago. Apparently helium is very hard to contain. One thing LiftPort plans to do to make money while waiting for carbon nanotube technology to develop is to hire out their cable-climbing robots to climb up and do in-flight refueling for tethered balloons. Seems like a neat idea for lower altitude balloons providing similar service to a smaller area.

    1. Re:Keeping them up longer by Catmeat · · Score: 1
      I'm guessing this "proprietary lifting gas technology" is almost certainly a pressurised envelope.

      Traditionally, stratospheric balloon gas is at the same pressure as the surrounding air - the balloons are too lightweight to withstand any real pressure difference. When the helium expands during the day, some must be vented to stop the balloon from bursting. At night, ballast must be dropped to stop the balloon from falling. Thus the balloon can only stay up for a limited number of day/night cycles.

      If you use a stronger envelope, the envelope can withstand the daytime pressure buildup. And if the helium is pressurised, you have extra gas to make up for the inevitable slow leakage. It is the only way to keep something up for 18 months.

      As for this proprietary nonsense... well NASA have been working on the Ultra Long Duration Balloon for a while. But even that only stays up for 100 days. I wonder how they plan to keep one of those airships up for five times as long?

  50. good point by pyth · · Score: 1

    http://slashdot.org/comments.pl?sid=108858&cid=927 4336

    There was a slashdot story a while back about this. A guy from JP was answering questions.

    1. Re:good point by Anonymous Coward · · Score: 0

      Which brings to mind the point: do they carry extra gasses for the acceleration to LEO or can they consume the contents of the 'gas bag'?

  51. Re:Wireless capability is a lot less than 300,000s by Anonymous Coward · · Score: 0

    This is normal. Just because you can see it doesn't mean that you can talk to it. Line of sight simply means, as the word implies, you can see it in a clear area if you had a telescope/binoculars that were strong enough.

    The curvature of the earth would cause the distance from the actual device to become much farther away as you move outward towards the device.

    Lastly, a 200 mile radius still covers 125,663 square miles, thats a lot better than anything else we have. May only be a 200 mile radius, but definatly not too shabby compared to what we have now.

  52. Peak Helium by No+Such+Agency · · Score: 1

    "I really wish they wouldn't fill these things with helium, what with the upcoming helium shortage... Helium should be restricted to uses where there is no practical replacement."

    Nonsense. I hear there's lots of helium in Iran. Conservation won't be necessary.

    --
    Freedom: "I won't!"
    1. Re:Peak Helium by zippthorne · · Score: 1

      Hey you calling me inconsistent?

      Yes I think we should conserve helium (which is mostly found in natural gas deposits), but not bother quite so much with the natural gas and crude.

      My reason: If we run out of helium, we can't make mroe until fusion plants go online, and we can't distribute it until said fusion plants are producing non-radioactive helium. (IANANE-nuclear engineer- so i don't know the reaction that must take place or if the radioactivity of the helium is significant)

      Replacements for crude on the other hand are already being produced. (synthetic diesels exist which don't even require engine redesigns) How long will it be before synthetic octane is available? (or we just migrate to already proven diesel engines) It's now a matter of producing those replacements in any mass scale.

      --
      Can you be Even More Awesome?!
  53. Is this a Microsoft Vehicle? by cmacb · · Score: 1

    Putting two and two together here from the article:

    "Each craft will reach its final altitude by utilizing proprietary lifting gas technology."

    So it will be floated up there using gas from Balmer? Will be be shouting "Developers" as he fills those gasbags?

  54. This is traded on the pink sheets - be skeptical by hoffmang · · Score: 1

    Any company that doesn't have the time to simply file the SEC documents necessary to at least be on the OTC Bulletin Board should be a company that is considered a scam at best.

    To see what I mean compare this press release on Yahoo Finance:
    http://biz.yahoo.com/bw/050118/185603_1. html
    to this statement to "investors" on the sanwire.com site:
    http://www.sanswire.com/sanswiretechnologie s/

    Pure grade A snake oil.

  55. Re:This is traded on the pink sheets - be skeptica by Anonymous Coward · · Score: 0

    Sanswire is a wholly owned subsidiary of Globetel Communications. (OTCBB:GTEL) There application to the AMEX board should be finalized next month.

  56. Re:And the investors made a mad dash for the exits by Anonymous Coward · · Score: 0

    Saw the stratellite at Norton AFB last week. Globetel has come a long way with their project. AF and NASA help does not make this a scam. NASA has basically taken over this project now.

  57. Pics from fellow shareholder at viewing by Anonymous Coward · · Score: 0

    Following website has pics of the stratellite taken by a fellow shareholder at the viewing.

    http://www.ragnardanneskjold.com/

  58. Erlangs, Erlangs... by gb7djk · · Score: 1

    Never mind whether the thing will fly. Nor whether the radius of the coverage area is 5, 75 or 305 miles. The crucial question with any radio based system is: "how many erlangs can it achieve"?

    An Erlang is the name for a full-duplex [telephone] connection. It is a unit of [simultaneous] capacity for a [telephone] system.

    The problem you have with [all] wireless systems is the limited bandwidth available and the fact that you run out of it very, very quickly. This is why the cellular approach is so effective (believe it or not). The idea of cellular is that you re-use channels by carefully siting small, low power base stations then assigning your limited pool of frequencies in a specific way so that, with care, you have a scalable system.

    In principle, if you need more capacity, you can extend a cellular system by sub dividing cells, using even lower power base stations and replicating the frequency assignment plan.

    Any air/space borne system that covers huge areas will have a problem with capacity. There are not enough frequencies and thus channels available to make such a system viable - and that is before you address issues like being obscured (eg in a building).

  59. Re:Wireless capability is a lot less than 300,000s by Anonymous Coward · · Score: 0

    ~125749 sq. miles, actually.

  60. Their 60 mile wind (faq) explanation. by Anonymous Coward · · Score: 0

    From their FAQ http://www.sanswire.com/faq.htm

    1. What about the wind at 65,000 feet? Will it affect the Stratellite

    They mention some junk about 1/18 the force of wind on the ground. But gee won't their little blowers (motors + fan) produce way less force to (not sure how it relates to air density). Just seems like marketing crap to me.

    1. Re:Their 60 mile wind (faq) explanation. by chr1sb · · Score: 2, Informative

      Let's assume that the props have to turn at 2500 RPM at ground level for the airship to keep station. If everything falls off proportionally, then at 65 000 ft, the props would still have to turn at 2500 RPM to keep station in a wind of the same velocity. However, aerodynamic drag would be much reduced due to the decreased air density, and so the energy required to turn the props at 2500 RPM would be much less. I'm not sure of the degree to which drag would be reduced, and this also doesn't take into account things like the constant friction of the motor bearings. But this part of their claims sound feasible to me.

  61. Air density cuts both ways. by mbrett · · Score: 1

    Their PR puts a lot of emphasis on the fact that the air density at 65,000 feet is 1/18 as much as sea level. So a high-altitude 60 mph wind has as much force as a sea-level 3.3 mph breeze, and so it doesn't take much force to counteract. But doesn't the same effect apply to the propellers, which will have 1/18 as much "bite", and so need 18 times as much power? Does this in fact scale linearly or are there other wierd effects on propellers at altitude?

    1. Re:Air density cuts both ways. by Viol8 · · Score: 1

      Doesn't matter, its an airship. All the propellors have to do is keep it in position, they don't have to provide the power to keep it aloft as they do in aircraft.

    2. Re:Air density cuts both ways. by Foxwell · · Score: 1

      It takes less power to maintain a given _mass_ in a wind of given airspeed in air of less denisty, despite the fact that the _volume_ needed to lift the mass is much greater. The gas volume would have to be 18 times greater, but the cross-sectional area would increase only at the 2/3 power of that increase, while the force of the wind does decline by 18. So the force needed declines as the cube root of the density, and since airspeed is assumed the same, power declines with force. And if the source of power is _solar_, clearly the area of hull skin is greater for the high-altitude ship and sunlight is less impeded by atmospheric phenomena. Clearly with rising power available and falling power requirements, at some altitude solar power wins.

      Not sure what they plan to do about nighttime however.

      And as for the props--of course they do lose thrust. Now if you just turned them at a given pitch, they would also experience less drag torque as they delivered less thrust, so power demand would also fall--it follows that if you maintain power levels (and pitch the prop blades accordingly) you will drive the air much _faster_ which will partially offset the fall of density--at constant power you get declining thrust, but at a rate not as bad as the fall of density. This happens at the cost of efficiency. However if you use ordinary airplane props you probably were driving the air much faster than you should for an airship anyway even at sea level, and with this racing engine thing going on and the speed of sound _declining_ with the cooling air of high altitude, you would quickly get compressibility problems at the blade tips as they approached and cracked the sound barrier.

      Clearly the thing to do is redesign the prop--increase its radius, keep its tip speed moderate. Design it for high altitude, meaning make it light but big. If you do that, it will remain as efficient as a properly sized and pitched and turning low-altitude prop, which means you can expect total power demand to decline as I said above.

      Lots of people think high altitudes demand something other than props. They are thinking of airplanes, which have to move _fast_ to stay airborne in thin air--it is _speed_ relative to the speed of sound that dictates that props must be abandoned. With aircraft like airships, which can float in still air, and cannot move fast because they would come apart structurally if you strapped powerful jets on them, propellers will always be a perfectly workable method and the best known practically available way to get thrust from power.

    3. Re:Air density cuts both ways. by Foxwell · · Score: 1

      Yes, but if they let it drift off station they are in trouble. It would not come crashing down immediately, but they'd have to chase it.

      Fortunately, properly designed propellers should work just fine.

  62. Perhaps an easy target for terrorists? by Viol8 · · Score: 1

    Right now it wouldn't matter if one got shot down by a terrorist rocket. But what happens if in the future these things are am important backbone component of all types of communications? Something that large could possibly be a sitting duck. I'm pretty sure that at the moment anti aircraft rockets can't get that high , but thats not to say in the future someone wouldn't develop one that could and if Osamas decendents get hold of some there could be serious problems.

  63. Venture capital bait... by zerofoo · · Score: 1

    Each craft will reach its final altitude by utilizing proprietary lifting gas technology

    Floating? That's VC bait if i've ever seen it.

    Next we'll be praising the virtues of pedestrian ambulatory technologies otherwise known as "walking".

    -ted

  64. What would be nice... by The+Cisco+Kid · · Score: 1

    is if they offered the ability to do point-to-point communication with this (eg, not requring you to communicate only with their 'uplink', but allowing say two friends to each get the ground based equipment applicable, and have a high-speed point to point link between them at a reasonable price. Basically, wireless T1. If they are considering that, I think I can smell the phone companies shitting their pants.

  65. French? by Nuffsaid · · Score: 0, Flamebait

    Isn't "sans" a french word? Maybe this venture should be renamed something like "Freedom from wires" in order to attract capitals from red-blooded American investors...

    --
    Nuffsaid
    ________

    Don't know about his cat, but Schroedinger is definitely dead.
  66. Re:I bet they are using helium by cr@ckwhore · · Score: 1

    I bet they're using helium...

    http://www.ragnardanneskjold.com/html/p1010099.h tm l

    --
    Skiers and Riders -- http://www.snowjournal.com
  67. Battery weight will be the killer. . . by eutychus_awakes · · Score: 3, Informative

    I am an aerospace engineer. A few thoughts. . .

    1. Regenerative power systems (the kind you can deplete and re-charge, whether that be solar cells and batteries, solar cells and closed-loop fuel cells, etc.) need to mature far beyond what is currently capable in order to make these craft work. Consider that the solar panels need to not only power all the essential equipment (radios, drive motors, wifi, etc.), but they also need to have enough excess to recharge batteries for night operations. For something very flat like the Stratellite(TM), this means they won't be able to operate too far north (or south) because the angle the airship makes with the sun will be too great - too few photons will be striking the cells. For the kinds of power densities they will need, this may mean not operating north of New York City, for example.

    2. Now consider what happens at night. You have zero solar power - 100% comes from your storage bank (batteries, fuel cells, hyper-flywheels, etc). In the northern hemisphere at winter, you will need to plan on about 16-hours of power storage capacity before the sun gets high enough in the sky to start powering the ship AND recharge the batteries.

    3. Assuming the nominal drag coefficient numbers others have talked about (~.05), an average airspeed of 40-knots, and assuming that the electric motors are 90% efficient at converting electricity to mechanical power, and that the propellers are 60% efficient at converting the mechanical power to useful work (thrust), this craft will need 45kW of power available 24-7 JUST FOR PROPULSION at 70,000 feet. 4. Assuming that their regenerative storage system has a power density of 100 Watt-hours per pound (which is optimistic), this equals 7,200 POUNDS OF POWER STORAGE REQUIRED! 5. Again, at 70,000 feet, assuming the structure weighs in at around 1,000 pounds (I'd like to see that. . .) then they have a lift deficit of 3,750 pounds. They'll never get to 70,000 feet. They might get to 60,000 feet, but then they'll only have around 100-pounds of payload capacity available. Plus, the air is denser at 60,000 feet, the propulsive power is greater, the battery weight is higher, etc etc etc.

    --
    This sig is a test. If this had been an actual sig, you would be reading something quite a bit wittier than this now.
  68. Re:vacuum lifting by duane_robertson · · Score: 1

    Larry Niven wrote about this in his Known Space novels. Of course he used thin envelopes made rigid with stasis fields (in other words, massless structure). The stasis blimps were constructed in orbit, then towed to the ground with spacecraft.

  69. And I call "myth" on _you_ by Foxwell · · Score: 1

    There was nothing marginal about the tremendous potential heat energy that was released when Hindenburg burned. There is also no positive evidence the fire even started anywhere but the deep interior of the tail region, and very clear recent experimental evidence that the kind of material used for the Hindenburg's skin, which has been mythically compared to "rocket fuel," actually burned very reluctantly and slowly. One William Appleby has taken the trouble to simulate that material, and measure its rate of burn. It would take _hours_ for the Hindenburg to have burnt at the rate the skin would burn on its own, and actually the whole ship was consumed, stem to stern, a distance of 245 meters, before it hit the ground about 4 seconds after it started burning.

    On other hand, hydrogen is by weight the most concentrated chemical fuel known to burn in air; to release equivalent energy, over 3 times the mass of any hydrocarbon fuel would be required. To be sure, as a gas it is the least dense substance known to exist at standard temperature and pressure, so Hindenburg's 240,000 cubic meters, almost all full of hydrogen, contained only about 15 tonnes of the stuff. Which however would be roughly equivalent in potential heat release to 50 tonnes of gasoline. Furthermore, gaseous hydrogen diffuses more rapidly than any other gas, and has a wider range of flammibility--from 4 percent in air to 78 percent, it will burn. The high rate of diffusion means that small leaks might dissipate quickly, but also that any leaks will establish a density gradient of flammible mix in the air around them that will fill a substantial volume. A small leak inside the Hindenburg's outer hull would mean that dangerous mixtures would exist almost instantly in a large volume near the leak, for the interior was a huge air volume with gas cells for lift floating within it. One spark inside that halo of flammible mix would ingite that whole mass almost instantly, and would indeed cause the very sort of noise that witnesses aboard heard--a sound like a gas stove being lit. This muffled explosion would bring flame straight to the leak in the cell, which would then burn like a torch, igniting neighboring cells and triggering a chain reaction. Every bit of evidence we have says this is what happened; the only argument has been about just how and why the fire _started_. Why was there a leak? Was there one, or did someone plant a small incindiary bomb? But there can be no doubt, the hydrogen released the energy that destroyed the ship in under a minute. No comparable phenomenon would happen if the ship were lifted by helium instead.

    It is true that there are bozos claiming otherwise, on the Internet and even on TV. But they are clearly wrong, and I could discuss motives some of these people might have to put out false information. But most people are just flocking mindlessly behind an amusing meme, easily impressed by unsupported claims.

    It is also true that a case can be made that heliums' moderate degree of inferiority to hydrogen as a lift gas lowers the margin of success of airships to a critical degree, and that therefore some accidents that have befallen helium lifted airships would not have happened to a hydrogen lifted one. I don't think that is a very strong argument at all. But all the claims for the marginal superiority of hydrogen as a lift gas, and even the fact that hydrogen is cheaper than helium, must be balanced against the simple fact that hydrogen is a very flammible gas, and many hydrogen lifted airships have been suddenly and rapidly destroyed by these flames, and nothing like that can happen with helium, and of course never has. Some helium airships have been burned up in fires driven by their fuel; this has always happened on the ground, either during a servicing accident that set the fuel alight, during disasters such as the terrible hurricane that leveled Richmond, Florida, and the blimp hangar there in late WWII, or _after_ a crash; in the latter cases, crew always had time to escape the relatively slow (though im

  70. Re:I bet they are using helium by Foxwell · · Score: 1

    And I bet you win that bet. There is no reason not to use helium and many reasons not to use anything else.