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The E6-B Flight Computer Is 75 Years Old, Still In Use (informationweek.com)

An anonymous reader writes: Few devices have been around this long, have had cameo appearances in Star Trek, and remain in use today. The current E6-B looks almost exactly the same as the first one manufactured 75 years ago. It was designed by U.S. Naval Lt. Philip Dalton in the late 1930s. When he completed the final version, it was introduced to the Army in 1940, and later used widely during WWII. Today is a required instrument for flight training, and has appeared on Star Trek original series several times, as Mr. Spock used a E6-B for critical calculations.

74 of 132 comments (clear)

  1. Alternatively... by freeze128 · · Score: 4, Funny

    "Windows 95 is 20 years old, and is still in use today."

    That doesn't quite have the same ring to it, does it?

    1. Re:Alternatively... by MrKaos · · Score: 2, Interesting

      Windows is 30 years old, and still in use. Hard to imagine that Windows 95 was far closer to Windows 1.0 than today.

      Windows 3.11 was the most popular of that series of Windows. I retired a 3.11 system IIRC about 5 or so years ago, but the old lady who owned it used it for word processing and that was about it. It wasn't on the net, it didn't even have an IP stack, it had nothing else installed and she saved everything to floppies, even though it had a hard drive. I was amazed it even functioned.

      Out of curiosity, I timed it go from power down to DOS 6.? to Win 3.11 UI in 17 seconds and to MS word within 34 seconds. Obviously systems do a lot more things when they start up now, but still pretty much shows it alligned with peoples expectations of how long it should take a computer to be ready to use after you turn it on.

      Happy New Year /.rs

      --
      My ism, it's full of beliefs.
    2. Re:Alternatively... by KGIII · · Score: 1

      It's as if the OS does what it can to take any hardware improvements away from you. I remember booting used to be held up, mostly, by POST and sometimes not at all. There was also a time when one had to read a floppy into memory but even that was pretty speedy and you could put it on a HDD if you wanted.

      There were computers that were pretty close to fully usable almost immediately. They weren't as general purpose, or at least not as easily so, but they were snappy in some areas.

      I'd think that, with all these compute cycles and banks of RAM, we'd see greater improvements than we do. It's like they strive to use all the available resources. Oh, you've got a bigger hard drive and more RAM now? Well, we'll just take a much larger chunk of that.

      I've used old Windows and old Linux versions in a VM and the change is amazing. With some work, I mean a lot of work, I got Windows 98SE running on a system from sometime around 2008. Admittedly, the vast majority of stuff didn't work right out of the box but I got a driver for the network card, could use the on-board video card with a VGA monitor, and the mouse and keyboard were fine once I found a couple that were't USB based. I don't think I ever got sound quite right but I seem to recall that I had full color. I think I might have ended up finding and putting in a smaller, older, HDD but this was all back in about 2008 so I don't really remember.

      Another fun one is to take something like Puppy or DSL and install those on modern hardware. They're functional but not the greatest right out of the box and would take a lot of work for me to be happy with them but, on the other hand, they're pretty damned fast. One of the reasons that I like LXDE (and thus usually use Lubuntu) is because it's blazingly fast on new hardware. I've even installed it on some *very* old hardware just to test it and it's still usable on that hardware too.

      --
      "So long and thanks for all the fish."
    3. Re:Alternatively... by KGIII · · Score: 1

      Heh... You're older than I am. You old bastard!

      --
      "So long and thanks for all the fish."
    4. Re:Alternatively... by Ol+Olsoc · · Score: 1

      Heh... You're older than I am. You old bastard!

      And someone modded my post "off topic". Hehehe, those young whippersnappers don't know what awaits 'em......

      --
      The shepherds did so well protecting the flock that the sheep no longer believed that wolves existed.
    5. Re:Alternatively... by KGIII · · Score: 1

      I wear moderation like that as a Badge of Honor. My favorite is when I reply to someone, they get the OT mod, and I get a +5 informative. I do not understand that - I've seen in multiple times. I'm also a little fond of the 'troll' mod when all I did was point out the facts. It's even funnier if I've included citations. The "flamebait" is kind of silly and, I admit, I might be guilty of that one from time to time. I'm also guilty of troll but I'm usually much more subtle about it. I can be perfectly polite, salient, and on-topic - but still trolling.

      That said, I'm kind of partial to the off-topic mod category. I strive to make several off-topic posts per day, sometimes more than that. Someone's gotta do it and, after all, Slashdot is my personal blog.

      Mostly, I don't actually worry about it because they'll have to work really hard to actually change my karma level. I peaked out long ago and I'm pretty sure I should have lapped the system several times over by now. I did have a stalker. They said they were going to mod down everything I posted. I found that amusing but it was even better when they actually tried. You could actually see when they did it - they'd be five in a row. Then that meta moderation started kicking in and pretty soon it was five every couple of days, then once a week, and now it's only three at a time and maybe once a week.

      They haven't done it for a while so I'm thinking that they no longer get mod points. The most amusing part was that someone was going along behind 'em and fixing their moderation. I might be guilty of egging them on a little.

      Ah well... I neither moderate nor meta moderate. Who am I to judge? I read at -1 and consider the topic to be a suggestion, not a rule. On that note, Happy New Year. Tomorrow night, there will be a bunch of people over (including a couple of folks from Slashdot - and maybe a few more but that's still up in the air) and we'll be setting off more things that go boom than I've ever set off, at one time, in my entire life. Booze and food is free. 'Tis too bad you're up there and I'm down here, else you could join us in making things go boom.

      The weather indicates it will be clear. The airport says I'll have (they think) at least a 1000' ceiling and I only need ~625' - 650'. Things should be just fine.

      --
      "So long and thanks for all the fish."
    6. Re:Alternatively... by ebvwfbw · · Score: 1

      I used to sell PCs way back in the 1980s. Sold a machine to it turned out a Dentist. 20 meg drive, 386/33. In the early 2000's he tracked me down. I had moved way away from that stuff. Said the hard drive was dead. Wanted a new 20 meg drive. I said go to the Smithsonian. They might have one. I had him go to a vendor and just get an entirely new system.

      I understand he was using it for his business records all of those years.

    7. Re:Alternatively... by tehcyder · · Score: 1

      Wanted a new 20 meg drive. I said go to the Smithsonian. They might have one.

      "And I still don't understand why sheeple say I have no people skills."

      --
      To have a right to do a thing is not at all the same as to be right in doing it
    8. Re:Alternatively... by ebvwfbw · · Score: 1

      Wanted a new 20 meg drive. I said go to the Smithsonian. They might have one.

      "And I still don't understand why sheeple say I have no people skills."

      Well the context is lost. I said it with a kidding laugh. Got the point across though.

  2. Happy Birthday by zamboni1138 · · Score: 5, Insightful

    I remember being 14 and learning to use an E6-B flight computer for the first time. It's pretty amazing to be able to sit down and develop a to-the-minute flight plan from departure to arrival and then be able to go out and execute that plan. Flying along hitting all your waypoints at the proper time, getting your enroute crab angle correct for the given winds aloft and not killing yourself along the way was always exciting. Hats off to Lt. Dalton. Your invention will always have a place in my flight bag.

    1. Re: Happy Birthday by monktus · · Score: 1

      enroute crab angle Does that make you a crab person?

      --
      Weaseling out of things is important to learn. It's what separates us from the animals... except the weasel."
    2. Re: Happy Birthday by Anonymous Coward · · Score: 1

      Moooooo!

    3. Re: Happy Birthday by Obfuscant · · Score: 4, Informative

      enroute crab angle Does that make you a crab person?

      For those who do not know, the action of flying turned into the wind is called "crabbing", after the skittering motion of a crab across the ground. If the wind is coming from your left, then to keep a defined track across the ground a pilot will keep the aircraft yawed to the left by some angle -- the "crab angle". Adding the vectors of wind and thrust results in the correct path from point A to point B on land.

      You don't usually notice this as a passenger while aloft. You will see it when you watch an aircraft land in a crosswind. To line up with the runway (a fixed track on the ground) the pilot points the nose of the airplane into the wind to cancel the sideways drift from the wind. This is the easy way to cancel that drift. It can be held for long periods of time and allows a stabilized approach.

      Just before landing, pilots will kick the airplane over into a "slip", which is a deliberate mis-coordination of the flight controls. This puts the plane in a bank (using the horizontal component of lift to cancel the wind) with rudder cancelling the yaw. This is a harder technique because it requires constant control inputs, but it aligns the wheels with the direction of travel. That's good for not blowing out tires.

    4. Re: Happy Birthday by Hognoxious · · Score: 1

      I've seen a few B-52s landing and taking off at all kinds of odd angles. I heard once they have landing gear like a [scaled up] supermarket trolley.

      --
      Confucius say, "Find worm in apple - bad. Find half a worm - worse."
    5. Re: Happy Birthday by Martin+Blank · · Score: 3, Informative

      Supermarket trolleys have castering wheels that align themselves to the path of least resistance. The landing gear of a B-52 are actually steered into position, and the plane holds the crab all the way down the runway.

      Example video here: https://www.youtube.com/watch?...

      --
      You can never go home again... but I guess you can shop there.
    6. Re: Happy Birthday by aberglas · · Score: 1

      But what do you do if your E6-B has flat batteries.

    7. Re: Happy Birthday by KGIII · · Score: 1

      They can land sort of sideways. I don't remember the name but I've seen a documentary on them (in fact, I've seen a couple). One of their controls is a knob, they can turn this knob and it turns the wheels which enables you to come in at angles where the wind makes it so that the plane is not perpendicular to the runway. Don't count on this as being correct but I seem to recall one documentary saying that they could adjust the wheels up to an angle of 15 degrees. It was just a round knob with angle markings on it - as I recall.

      No, I don't recollect which documentary this was. I watch a whole lot of 'em. I'm also assuming they're correct - considering that they showed the pilot turning it and them then landing it, they even showed some outside footage, I'm inclined to believe them. It was mentioned in a different documentary as well. I'm sure that I've seen it in at least two different documentaries, so there's that. I don't know what it's called, I'm not sure what to look for if I were to search for it, but your recollection is partially correct.

      They're not, as I recall, like a shopping cart wheel. Those flow and flap free and go whichever way they go. This is something that they control with a round dial (like an old school radio knob) on the front of the control/instrument panel. I seem to recall that it was near the center of the plane, on the pilot's right, and that it was near the various control levers for the individual engine's power.

      --
      "So long and thanks for all the fish."
    8. Re: Happy Birthday by KGIII · · Score: 1

      Heh. I should have scrolled down. You explained it much better than I and were able to take the time to find a link. I've no idea what the knob is called or how to refer to it so I didn't bother searching.

      --
      "So long and thanks for all the fish."
    9. Re: Happy Birthday by tlhIngan · · Score: 1

      YJust before landing, pilots will kick the airplane over into a "slip", which is a deliberate mis-coordination of the flight controls. This puts the plane in a bank (using the horizontal component of lift to cancel the wind) with rudder cancelling the yaw. This is a harder technique because it requires constant control inputs, but it aligns the wheels with the direction of travel. That's good for not blowing out tires.

      Actually, no. There are two crosswind landing techniques - the crab, and the wing low (aka forward slip).

      The forward slip is where the airplane isn't flying coordinated anymore - the rudder and the ailerons are not working together to move smoothly through the air. In this case, the rudder is aiming the nose, while the ailerons are used to bank and keep the aircraft on the centerline.

      The other technique is the crab, where the plane flies at an angle relative to the flight path over the ground. It's flying coordinated. Just before the tires touch the ground, the aircraft is kicked over so the nose points straight down the runway. This is done close to the ground because you do not transition to a slip so the aircraft is blown sideways. Luckily inertia and timing make it so the airplane doesn't land in the ditch.

      Wing low is easiest to do because unless it's gusty, once you're set up, you hold it pretty much all the way to the ground so it's a nice stablized approach that follows you to the ground (you land on the upwind wheel first, followed by the downwind main). Crabbing is hard because you have to kick it over at the last second - do it too late and you land sideways, too early and you're headed to the side of the runway.

      However, crabbing is much friendlier to passengers - wing low has them leaning to one side of the aircraft and that's uncomfortable, while crabbing has them sitting properly because they're still in coordinated flight. Crabbing also has the advantage that the wings are level - airliners are typically mid to low wing, and the engines hang under the wing, so if you do wing low, you run the real risk of scraping it.

      If you're curious, airliners are designed so if you do make a mistake, they can handle the crab - I think the 747 has the ability to be landed up to 45 degrees of crab. Light aircraft don't have such ability and many an aircraft has been bent when the crab technique is used incorrectly.

    10. Re: Happy Birthday by Hognoxious · · Score: 1

      First thought: Why go to all that complexity?
      Second thought: When you're rolling along the runway, you probably want to stay there!

      Thanks for that. Imagine if cars had that, it'd make parking a lot easier!

      --
      Confucius say, "Find worm in apple - bad. Find half a worm - worse."
    11. Re: Happy Birthday by ChrisMaple · · Score: 1

      A quick internet search reveals that castering landing gear is mostly limited to light aircraft nose wheel, however it was used in the B24 and B25 (but I may be mistaken).

      --
      Contribute to civilization: ari.aynrand.org/donate
    12. Re:Happy Birthday by ebvwfbw · · Score: 1

      I used it back in the day too. Recently I took my IFR written. I'm getting weathered in too much lately. Since they allowed me to use a calculator that they provided, and it has sin, cos, tan, I used it instead. I was smart enough to figure out how to replace it entirely with a real calculator having never done that. Well except for back in grade school 40 years ago with word problems.

      Never the less, if you don't have a calculator a slide rule is excellent. Even helped figure out that we'd miss the moon when we went there the first time. It was a rounding error with Fortran that caused that. They needed more than 6 places.

    13. Re: Happy Birthday by rpstrong · · Score: 1

      If you look at the pictures of how it's built, it should be plane [minor pun there] that only flat batteries will fit.

    14. Re: Happy Birthday by Martin+Blank · · Score: 1

      Apparently, it's one of the hardest transitions for pilots to make when going to the B-52. The lack of glass cockpits or flying a plane with very different aerodynamics (it uses spoilerons instead of ailerons, so it handles something more like a glider in some ways) is supposed to be comparatively easy to not snapping the plane around just before touchdown, and holding that crab all the way down the runway, looking out a side window in some cases. I know it would weird me out for a while.

      I think the complexity comes because of the extremely long wings that droop very low. When you kick the plane around, you increase the speed of one wing and decrease the speed of the other. This increases lift on the one side and decreases lift on the other, resulting in a roll. This can be compensated by rolling to the other side, but given how low the wing droops (airliners generally have wings that angle upward toward the tips), this presents a danger of overcompensating and digging in the outrigger gear at the wingtip. Coming in flat is simpler and safer, even if it mandates a more complicated landing gear system than would otherwise be required.

      --
      You can never go home again... but I guess you can shop there.
  3. Nomograms by dtmos · · Score: 5, Interesting

    I was musing just the other day about a related calculating method that has fallen into disuse, the nomogram. Nomograms always impressed me as an especially clever way to perform specific mathematical tasks.

    When I was young, and dirt was still sparkling and shiny new, nomograms were in every engineering textbook, handbook, and reference book. Their demise in engineering applications seems to have come with a whimper, not a bang, as no one seems to have noticed it.

    1. Re: Nomograms by Anonymous Coward · · Score: 1

      Good point. A nomogram is like a mathematical analogy to a pre-computed cryptographic rainbow table - it makes your solution time O(n) linear.

      (pun unfortunately intended)

    2. Re:Nomograms by Hognoxious · · Score: 1

      I've actually used one, many moons ago. It was for calculating the apparent temperature based on air speed & humidity.

      The thing on the back of flashguns for working out what aperture to set probably qualifies too.

      --
      Confucius say, "Find worm in apple - bad. Find half a worm - worse."
  4. Not surprising by hawguy · · Score: 1

    It's not surprising that it hasn't changed -- it's not like arithmetic has changed over 75 years.

    1. Re:Not surprising by Lunix+Nutcase · · Score: 1

      Don't worry, as soon as a tech hipster millennial gets in charge they'll make sure to swap it out for something less reliable because it'll be "new" and "modern".

    2. Re:Not surprising by kwbauer · · Score: 1

      Like health insurance in the US?

    3. Re:Not surprising by Lunix+Nutcase · · Score: 1

      No, not at all.

    4. Re:Not surprising by Scarletdown · · Score: 2

      it's not like arithmetic has changed over 75 years.

      ...with the exception of Common Core, where "1 plus 1 equals fish, because bananas can't moonwalk."

      --
      This space unintentionally left blank.
    5. Re:Not surprising by Paul+Carver · · Score: 1

      As a parent I'm curious about where in Common Core you found this? I don't know how to recognize what's Common Core and what isn't, but all of the math homework my daughter brings home seems very clear and sensible.

      I've seen lots of posts on Slashdot denigrating Common Core so I've been on the lookout for anything that looks questionable in her math homework but I haven't seen anything yet that I wouldn't want her to learn. Certainly I've never seen anything even remotely like the gibberish that you're quoting.

    6. Re:Not surprising by j-beda · · Score: 1

      I've seen lots of posts on Slashdot denigrating Common Core so I've been on the lookout for anything that looks questionable in her math homework but I haven't seen anything yet that I wouldn't want her to learn. Certainly I've never seen anything even remotely like the gibberish that you're quoting.

      People have been complaining about changes to math instruction and how insane it all is since well before all of us were born. See for instance the "New Math" ideas of the 1960s, and I have little doubt that similar "problems" existed before then, probably back to Plato.

      https://en.wikipedia.org/wiki/...

      Usually the issue is not much larger than the combination of student and parent confusion, and poor communications between teacher and family. Add a bit of teacher understanding and a healthy dose of math-phobia sprinkled through all parties, and a "crisis" is not hard to find.

  5. Re:its not a computer. by MachineShedFred · · Score: 1

    All the available flavors, and you chose salty...

    --
    Slashdot still doesnâ(TM)t support Unicode after it was added to the HTML standard in 1997.
  6. Not used much anymore by joe_frisch · · Score: 1

    I haven't used mine in over a decade. Even when I was leaning to fly it was very rarely needed, VORs and other electronic navigation aides made a flight computer unnecessary for most flying. GPS of course makes it even less useful. Pre-GPS there may have been areas with minimal ground based navigation aids where a flight computer was more necessary.

    Its still a cool device though.

    1. Re:Not used much anymore by perpenso · · Score: 1

      I haven't used mine in over a decade.

      But is it still in your flight bag just in case?

    2. Re:Not used much anymore by AJWM · · Score: 2

      You're supposed to use your E6-B before you get in the cockpit, so GPS and VOR won't be much help.

      Remember "plan your flight, fly your plan?"

      I did a long cross-country flight (Waterloo-Denver and back, with fuel and customs stops each way) solo, in a Cessna 172-RG, with almost nothing but E6-B and paper maps (pre GPS). I did have dual VORs and RDF, but for fun I mostly tracked straightline (rather than VOR to VOR) using the angles to two different VORs to get my position. (Well, that and looking out the windows.)

      Neither a VOR nor a GPS will figure your crab angle for you, you have to know the wind speed and direction.

      --
      -- Alastair
    3. Re:Not used much anymore by rickb928 · · Score: 1

      Thankfully you were flying where navigational aids were available. I learned to fly where they weren't, and while there were plenty of ponds to land a float plane in, none had barrels of avgas around, so being able to calculate fuel needs and such were damned handy. The E6-B ( I had an Jeppesen aluminum version in the planes I flew) solved every necessary calculation quickly and reliably, and often gave me an obvious answer to the question "can I do this?". A minute to figure out if I should go from A to B and then C, or A to C and then to B, where C had the fuel. No scratch paper necessary. Ours was considered so important it was fixed to one of the aircraft, the D-18, with a thin, perfect chain. The Cessnas each had one.

      To my chagrin, they never let me fly the Otter, and I never cared for the Beaver. To this day I crave a 172, such a great plane. And I would still have an E6-B in it. It's just too handy, even working out new course info enroute, when I would not be comfortable messing with an iPad.

      --
      deleting the extra space after periods so i can stay relevant, yeah.
  7. Circular Slide Rule by kenwd0elq · · Score: 1

    The E6B (and its smaller brethren such as the one I used to carry in my flight jacket pocket) is nothing but a circular slide rule with a couple of special index points for minutes calculations.

    That said, there is nothing "just" about a slide rule. It scores as one of humanity's finest achievements.

    1. Re:Circular Slide Rule by Deadstick · · Score: 1

      The E6B (and its smaller brethren such as the one I used to carry in my flight jacket pocket) is nothing but a circular slide rule with a couple of special index points for minutes calculations.

      Ummm, no. It also solves the wind triangle problem, graphically.

  8. Re:its not a computer. by ClickOnThis · · Score: 3, Informative

    its a stupid slide rule with a stupid carnival wheel attachment.

    A computer is a device that can compute. The E6-B qualifies.

    Modern usage has co-opted the term to refer to an electronic device that computes. But computers pre-date the electronic age.

    --
    If it weren't for deadlines, nothing would be late.
  9. Re:Common objects in Star Trek by ClickOnThis · · Score: 2

    Has somebody made a detailed study on the common, everyday objects used in the episodes either as is, or as parts of a larger set? I fondly remember how a painted Logitech trackball was used in the captain's chair as a controller in the Next Generation series.

    In TOS, Dr. McCoy once used a "white sound" device to mask the heartbeats of the people on the bridge, so as to isolate the heartbeat of Finney in Engineering. It's easy to see that the prop was just a Shure microphone.

    --
    If it weren't for deadlines, nothing would be late.
  10. Re:TODAY IS REQUIRED INSTRUMENT by Anonymous Coward · · Score: 1, Insightful

    That is very little of why the Soviets achieved so much, tbh - central planning did that, just as in China, but it was combined with some horrible racism and paranoia on Stalin's part. Britain ensured the death of more people in engineered famine in India, and it had very little to do with the underlying regime.

    As for "human life as a commodity", the idea that everyone is someone from whom you profit - i.e. objectified by reduction to their usefulness in trade - is the core tenet of capitalism. Hell, we even have a profession for those engaged in management of such resources: "human resources". Stalinism was yet worse, but it wasn't because of the underlying economy, rather because he was a cunt.

  11. Re:its not a computer. by ClickOnThis · · Score: 4, Funny

    A computer is a device that can compute...

    Using that definition my hand is a computer also...

    Only if it's connected to a brain.

    [*crickets*]

    --
    If it weren't for deadlines, nothing would be late.
  12. Re:its not a computer. by kwbauer · · Score: 2

    I'm not sure simulating the motion of s steam-piston qualifies as computing. The "result" is much closer to the elementary school volcano for science class.

  13. Re:Common objects in Star Trek by k6mfw · · Score: 1

    Circular chart recorder is clearly visible in the shuttlecraft Galileo. These recorders commonly used for industrial HVAC and process instrumentation recorders, still in use today. It may not be "high tech" digital recorder but if power goes out, then still have hardcopy recording of what happened and be able to quickly look at measurements taken during the past 12 or 24 hours.

    Using common objects as props unless really cheesy can go unnoticed if the plot or story is engaging with subject matter and character.

    Speaking of common props, I remember watching Battlestar Gallacta in 1970s where they had racks of Tektronix test equipment thinking, "wow, I'd love to have some of those oscopes."

    I have a E6B (buried in my junque collection someplace), bought it years ago because it looks cools, have no idea how to use it.

    --
    mfwright@batnet.com
  14. Re:its not a computer. by wonkey_monkey · · Score: 1

    Depends which definition you want to go with. I think these days most people would go with "an electronic device for storing and processing data," which this is not.

    That said, it's actual name is still the "E6-B Flight Computer."

    --
    systemd is Roko's Basilisk.
  15. Re:its not a computer. by aaron4801 · · Score: 1

    I count on my fingers, am I a computer?

  16. Re:This is why China is eathing or ass! by Anonymous Coward · · Score: 1

    I remember when the first test flights of the F-22 were taking place. This was the *first* US military aircraft that was to be test-flown in the internet age, outside of the black curtain (ie. in the court of public opinion). All the same cynicism present for the F-35 was present than. There was some big Windows NT angle, and some computer failure of a flight over the pacific, and everyone here (ie. one Slashot) went crazy (FRAUD!!! THEY'RE SO STUPID!!! I COULD BUILD A _STARSHIP_ FROM SHIT I PULLED OUT OF A DUMPSTER @ MIT, etc.)

    Fast forward, everyone loves the F-22, and now the F-35 is boogy man. The **SAME** ppl. who ragged on the F-22, now say we should build more an cancel the F-22. The F-35, not unlike the F-22, was the first plane to be tested in the age of *social media*, where there's no shortage of experts, and ppl. that can build a starship from the shit in dumpster.

    If these ppl. were running the show, we would all be driving Model-T's. Nah, they're too principled to drive cars, and they don't own a TV (but somehow, they know what a starship is....).

    Hmmm....

  17. Re:its not a computer. by amRadioHed · · Score: 3, Informative

    You could be. Computer used to be a job title.

    --
    We hope your rules and wisdom choke you / Now we are one in everlasting peace
  18. Student Pilot Here by Anonymous Coward · · Score: 3, Insightful

    The E6B is a rite of passage for all student pilots, but I haven't found anyone that kept using it. An electronics calculator from the 70s is much faster and easier to use in a cockpit, but despite not being part of the practical test, every designated pilot examiner wants to see every student use one, because they used one as a student.

    1. Re:Student Pilot Here by HotNeedleOfInquiry · · Score: 1

      Here we have the *only* relevant and insightful comment of the whole lot and it gets downvoted. Slashdot is well and truly dead.

      --
      "Eve of Destruction", it's not just for old hippies anymore...
    2. Re:Student Pilot Here by Registered+Coward+v2 · · Score: 2

      The E6B is a rite of passage for all student pilots, but I haven't found anyone that kept using it. An electronics calculator from the 70s is much faster and easier to use in a cockpit, but despite not being part of the practical test, every designated pilot examiner wants to see every student use one, because they used one as a student.

      Only the smart ones who know batteries die and electronics fail.

      --
      I'm a consultant - I convert gibberish into cash-flow.
    3. Re:Student Pilot Here by Anonymous Coward · · Score: 1

      As a Navy E-2 Plane Commander, in 1999 I used the equivalent of this (built into the face of my pilot's watch) to plot an emergency 900 mile divert from an aircraft carrier to Japan because the distance was way off our performance charts, no one had a calculator and smart phones hadn't been invented yet (and even if they had, we wouldn't have had them on the aircraft, being both at sea and classified). Worked like a champ and we arrived when we thought we would with the fuel we expected to have remaining.

    4. Re:Student Pilot Here by rickb928 · · Score: 1

      A perfect application of the device. Fuel consumption is critical when you're over water... Right?

      --
      deleting the extra space after periods so i can stay relevant, yeah.
    5. Re:Student Pilot Here by ebvwfbw · · Score: 1

      Can you use the calculator to figure out wind differences without the circular slide rule? Too error prone. I just use fltplan.com. My last flight, it had me at the airport within a minute of when it said. Figured out the VORs, wind, speed (I fly at 140 kts) over 400 NM. Not bad, eh? I probably couldn't have done that good.

  19. Re:its not a computer. by fredgiblet · · Score: 1

    If you're a millennial then you should know that words are rape.

  20. Required for flight training by tompaulco · · Score: 1

    As an instrument rated private pilot, I do not ever recall using one, although I certainly know what one is.

    --
    If you are not allowed to question your government then the government has answered your question.
    1. Re:Required for flight training by perpenso · · Score: 1

      As an instrument rated private pilot, I do not ever recall using one, although I certainly know what one is.

      You didn't use one in flight school? There is not one in some deep dark recess of your flight bag just in case?

    2. Re:Required for flight training by tompaulco · · Score: 1

      As an instrument rated private pilot, I do not ever recall using one, although I certainly know what one is.

      You didn't use one in flight school? There is not one in some deep dark recess of your flight bag just in case?

      I did not use one. But I think I actually do have one and yes it is probably in my flight bag if I do have one. It has been awhile since I dug around in there.

      --
      If you are not allowed to question your government then the government has answered your question.
    3. Re:Required for flight training by thinkwaitfast · · Score: 1

      I used one when I took ground school. but that was back in the 90's.

  21. Still by jlgreer1 · · Score: 1

    Still have a couple. Vision is good enough for the whiz wheel but not good enough to fly. :(

  22. I'm with Turning on this issue. by Ungrounded+Lightning · · Score: 3, Insightful

    A computer is a device that can compute...

    Using that definition my hand is a computer also...

    When Alan Turing did his seminal work on computing and computability, he used "computer" to mean both a human with a pencil and paper and abstract mechanical devices generalizing and simplifying what this human computer did.

    I'm with Turning on this. A "computer" is any system that computes, whether it is entirely made out of live meat, made out of meat plus mechanical, electrical, and/or electronic aids, or made purely of such aids. The term may also be applied to aids that require a made-of-meat operator (or mechanical simulation of one) in the absence of the operator.

    By this definition, both slide rule s and nomogaphs qualify as "computers".

    --
    Bantam Dominique roosters crow a four-note song. Once you've heard it as "Happy BIRTHday" you can't NOT hear it that way
  23. I've got it's mate... by theGhostPony · · Score: 1

    The Type D-4 Time-Distance Computer, mine is marked as being the property of the US Army Air Corp.

    --
    /. Dissent will not be tolerated. Think like us or perish.
  24. I have one! by AndyKron · · Score: 1

    Damn. Not only do I have one of those, I knew exactly where it was.

  25. You want room 12A by Hognoxious · · Score: 1

    He could be doing calculations in his spare time.

    --
    Confucius say, "Find worm in apple - bad. Find half a worm - worse."
  26. Imagine a Beowolf Cluster of them! by jfdavis668 · · Score: 1

    We could use them to plot the course of starships! What, that's already been done??

  27. Archaic API by jfdavis668 · · Score: 1

    Just because it has an archaic API doesn't mean it's not a computer.

  28. Re:TODAY IS REQUIRED INSTRUMENT by dryeo · · Score: 2, Insightful

    That's so true. at least the Americans would never use human life as a commodity, buying and selling people based on their colour, having a civil war about it and then finding lots of other ways to treat the same people as less then a commodity.
    Americans would also never steal peoples land on the principle that they're just a bunch of savages as well, nope they found an empty continent and just moved in.
    And today Americans would never blow up weddings and such on the chance that there might be a bad guy, with bad guy being defined as someone not happy with having their home blown up, in the name of freedom of course. Another thing is that American business would never move their manufacturing to 3rd world countries where workers are treated like commodities just to make more profits.

    --
    https://en.wikipedia.org/wiki/Inverted_totalitarianism
  29. Re:TODAY IS REQUIRED INSTRUMENT by davester666 · · Score: 2, Insightful

    The difference between what Stalin did and what Corporations under Capitalism do would be zero, short of the gov't stepping in and actively stopping them from doing so.

    Under capitalism, corporations are fine with beating, starving and enslaving their workforce, poisoning land, sea and air, really, whatever they can think of to make a little more money. Unfortunately, the US is rapidly becoming more fascist, in that corporations are literally writing the laws they want enacted, and just giving them to the politicians, who then pass them, but the voters keep reelecting them, so they must want more of the same.

    --
    Sleep your way to a whiter smile...date a dentist!
  30. Mechanical Computer by bkgoodman · · Score: 1

    If your into this kind of thing - check out this in-depth video of how an old US Naval WW-2 mechanical computer works. Absolutely amazing - totally old-school. https://m.youtube.com/watch?fe...

  31. Prowler? by Noble713 · · Score: 2

    I thought this article was about the flight computer used in the Prowler Electronic Attack aircraft....

    Aren't they out of service? How did the aircraft get a flight computer from the 30's? How could Gene Roddenberry possibly get his hands on a (then-modern) military aircraft computer during the original Star Trek's run?

    but that's the EA-6B......

  32. Re:TODAY IS REQUIRED INSTRUMENT by ch0knuti · · Score: 1, Informative

    You got it wrong. Churchill commented on democracy not capitalism. “Democracy is the worst form of government, except for all the others.”