Slashdot Mirror


User: ihtoit

ihtoit's activity in the archive.

Stories
0
Comments
3,767
First seen
Last seen
Profile
(view on slashdot.org)

Comments · 3,767

  1. Re: FFS just keep the Warthog on Newest Stealth Fighter's Ground Attack Sensors 10 Years Behind Older Jets' · · Score: 1

    A-10 fuel capacity of 10700lbs or 1570 gallons; Three external 600 gallon or 4080lb drop tanks can also be fitted. Maximum total fuel (for long loiters) then becomes 22940lbs or 3370 gallons. Couple this with the fuel efficient TF34's SFC of 0.370 lb/h/lbs thrust at 11,000lbs thrust (each) and you get great loiter.

    F-16 fuel capacity of 7160lbs or 1053 gallons; Two external tanks of 370 gallon or 2516lbs, and a single 300 gallon or 2040lbs. Maximum total fuel (for long loiter) then becomes 14232lbs or 2093 gallons. Couple this with the 'more thirsty' F100/F110's SFC 0.76/0.64 lb/h/lbs thrust at ~17,000lbs thrust (just one) and you get less loiter.

    The single engine of the F-16, making about 17K thrust consumes almost the same amount of fuel per pound of thrust per hour than the twin engines of the A-10 generating a combined 22K thrust. Since the A-10 carries about 8700lbs more fuel, it can fly longer.

    Numbers don't lie.

  2. Re:FFS just keep the Warthog on Newest Stealth Fighter's Ground Attack Sensors 10 Years Behind Older Jets' · · Score: 1

    uh... the Army fly, among other aircraft, Beechcraft RC-12 Huron light cargo and passenger variants and the Cessna Citation V (UC-35) VIP configuration. There are around a hundred US Army aircraft batallions, probably thirty of which fly fixed wing exclusively.

  3. Re:the problem with stealth technology on Newest Stealth Fighter's Ground Attack Sensors 10 Years Behind Older Jets' · · Score: 1

    perhaps you should read the official report, which is linked from that page: two missiles were fired at the Nighthawk, one passed overhead, the other detonated nearby and airbombed the plane out of the sky. The two missiles were following the RADAR track which was a ground lock on the open bomb bay of the aircraft at something like 16 miles, initial *detection* was at 48 miles. RADAR guided missiles are ground guided using ground based RADAR, their onboard RADAR (for those equipped with onboard independent terminal guidance, which AFAIK the GOA *is not*) simply goes for the largest solid signature within a narrow cone in front of the missile. This could be an aircraft or it could be a wall of compressed air.

    Hate to tell you this, but tracking aircraft for a missile lock doesn't depend on some fucking boy scout standing at the service entrance of Lakenheath Air Station with a smartphone.

  4. Re:the problem with stealth technology on Newest Stealth Fighter's Ground Attack Sensors 10 Years Behind Older Jets' · · Score: 1

    ok. The SECOND you break the sound barrier, you show on civilian RADAR anyway. At 24.1GHz K-Band (the most common civilian frequency used in Doppler and SARI systems), all this system does is show differences in density. Clouds and bow shocks (one is fuzzy the other is sharply defined) are easy to tell apart.

    The idea of Stealth is to reduce the RADAR profile to make it more difficult for BVR/OTH systems to lock on. Nice idea, but when you compress the air in front of you to something approaching concrete, no amount of stipple-finished RCC composite is going to help you. Your enemy doesn't need to lock on to YOU (he doesn't even need to *hit* you), all he needs to do is lock on to your bow shock and disturb the air violently enough that his missile literally knocks you out of the sky, like firing an air cannon at a moth.

    WHICH IS WHY aircraft designed to be RADAR INVISIBLE are a: subsonic, b: quiet (as in, don't disturb the air with engine howl - which is also detectable on K-Band RADAR) and c: designed with airfoils that disturb the air as little as possible - the underside is basically flat, all the hard work is done on the top surface.

    Anti-RADAR paint is by necessity black (to absorb RADAR energy rather than reflect it) which makes tour 90-foot wing pretty fucking easy to spot by eye on a low and slow. For some reason it's also pretty easy for even semi-skilled operators to tell a Nighthawk from a house sparrow on an SA-3 "Goa" SAM system from 60km away.

  5. Re:Not jail on NSA Reveals More Than a Decade of Improper Surveillance · · Score: 1

    depends where you are.

    In England, in 1999, Tony Blair did a double whammy: he abolished the death penalty for treason.

    Then he blatantly committed treason.

    (he abolished hereditary Peers (http://www.legislation.gov.uk/ukpga/1999/34/section/1), removing the final check on despotic rule by lawless Commoners and imagining the dilution of style and the death of the Monarch, which is pretty much a violation of the Treason Felony Act 1848).

  6. Re:There is more we can do on NSA Reveals More Than a Decade of Improper Surveillance · · Score: 1

    where is the ACLU while these kids are being gunned down by WHITE cops?

    that's right, nowhere to be fucking seen!

  7. Re:There is something to be said for E2E encryptio on Lizard Squad Targets Tor · · Score: 1

    I don't get it. I mean, what would be the point of an anonymous broadcaster if you don't know where to go to authenticate the information? Yes, that'd be a valid use-case IMO, but it falls on its arse when it comes to actually validating stuff.

    I have information that *needs* to be out there, but I'm not going to broadcast it and not stand by it, that nullifies its value completely. I will stand by what I say, I will claim right when I piss people off because I will offer what they will not: evidence.

    When I'm transmitting information that isn't for general consumption*, I will airgap it and/or I will encrypt it. I won't broadcast it over a fucking anonymiser.

    *for measurement of "general consumption" read: stuff the Ears already have I don't particularly care if they know I've got it, they already know I'll fucking use it.

  8. the problem with stealth technology on Newest Stealth Fighter's Ground Attack Sensors 10 Years Behind Older Jets' · · Score: 3, Insightful

    is that it is fucking useless.

    We have RADAR now so sensitive it can pick up turbulence generated by the flapping of a sparrow's wing. THEY HAVE TO DIAL IT DOWN for most practical applications, including tracking air displacements due to exhaust-baffled (AKA "thermal" stealth) aircraft.

    If you want, you can build your own K-Band for around $70, not including the two coffee cans. In fact with the same kit and a laptop you can build a synthetic aperture RADAR imaging system capable of not only locking and tracking targets, but also capable of passing that data in realtime to an external guidance system.

    Gugol it yourself, it's all on the MIT public website.

  9. Re:Dumb question on NSA Reveals More Than a Decade of Improper Surveillance · · Score: 1

    dammit... s/inury/injury.

  10. Dumb question on NSA Reveals More Than a Decade of Improper Surveillance · · Score: 2

    How many cases have followed through conviction off the back of this illegal surveillance? In other words, how many convictions should now be considered "unsafe", to borrow an English legal term? Following this, how many cases of technically unlawful incarceration must now be subjected to judicial review, potentially retrial minus the tainted surveillance evidence, and who's got the ledger for the compensation claims for illegal imprisonment, inury in custody (including mental anguish), judicial misdirection? oh this is gonna be a very pretty picture going into 2015...

  11. Re:The TOR Project was well aware of this a while on Lizard Squad Targets Tor · · Score: 1

    that depends, how much tyre rubber needs to be deposited before you can't taste onion anymore?

  12. There is something to be said for E2E encryption on Lizard Squad Targets Tor · · Score: 1

    the outward node has a public key, the receiving node has the private key, nothing in between gets anything useful.

    I mean, why overcomplicate shit?

    Hell, for that matter - airgap it.

  13. Re:You forgot something... on Dish Pulls Fox News, Fox Business Network As Talks Break Down · · Score: 1

    I don't think there's anything here (UK) that prenvents *anyone* from striking... there's the slim possibility of a soldier striking for (pay and conditions!?), but we're at war, have been since the year Tet, he'd be backed up to a wall and shot. Public sector most definitely have the right to strike, recently we've had firefighters on the picket lines, earlier this year it was barristers and judges. Teachers are out on strike every other fucking week.

  14. Is this whaat I think it is? on Federal Judge: Facebook Must Face Suit For Scanning Messages · · Score: 1

    Is it a challenge to (what I think is) Facebook utilising some sort of behavioural analysis through deep content inspection?

    Or do they actually have people running specific searches on content posted by specific groups or individuals?

  15. Re:do what you want. on Should Video Games Be In the Olympics? · · Score: 1, Informative

    http://www.olympic.org/photos/...

    ^fucking peep sights.

  16. Re:do what you want. on Should Video Games Be In the Olympics? · · Score: 1

    Nottingham, actually. I've never been to Locksley.

  17. do what you want. on Should Video Games Be In the Olympics? · · Score: 3, Interesting

    The Olympics lost all meaning when it was decided to admit events for people missing fucking LIMBS into a sporting gala previously for those who were ACTUALLY BETTER THAN AVERAGE! Better, stronger, faster. What the fuck is "dressage", anyway??

    Take my favourite competitive sport: archery. OK, we have the longbow, which is pretty fucking difficult to STRING, never mind DRAW and AIM, but now we have the olympic event where they get to use counterweights, spring cam mechanisms to bring the draw weight down yet maintain nock energy, composite bows and superthin strings, peep sights(!) and drop scales, and the basic event which runs just 33 feet, where it is entirely possible to gain a gold medal. I *PRACTICE* AT NINETY FEET. WITH AN ENGLISH LONGBOW (and the trainer at the club across the river wonders how I don't tear the shit out of my shoulder muscles every week, it's because I've been shooting bow since I was FOUR). I could piss the basic event with my bow on a *bad* day.

  18. Re:Not exactly "pass through it" on NuSTAR Takes Beautiful X-ray Image of Sol · · Score: 1

    strangely, I did post a submission on this very event, alas the phase of Kim Kardashian's arse took centre stage and pushed my submission out to the realms of "not important enough science to warrant even a sideline story on Slashdot".

    http://slashdot.org/submission...

    Fuck you, Slashdot.

  19. Let's play "I Would Rather..." on Sony To Release the Interview Online Today; Apple Won't Play Ball · · Score: 2, Funny

    I Would Rather:

    Circumcise myself with a chainsaw.
    Masturbate with a garlic hammer.
    Gouge out my eyeballs with an ice cream scoop then rinse out the sockets with battery acid.
    Watch the Den & Angie episode on a continuous loop.
    Braid my own pubic hair. Then garotte myself with it.

  20. Re:Stoppit with this hysteria! on BT, Sky, and Virgin Enforce UK Porn Blocks By Hijacking Browsers · · Score: 1

    A&A is pretty much the best out there, since they are in fact the only declared XKCD/806-compliant ISP in operation currently.

  21. Re:Goatse filtering is a feature on BT, Sky, and Virgin Enforce UK Porn Blocks By Hijacking Browsers · · Score: 1

    it is absolutely fucking clear that that is not the case: Camoron [sic] left his fucking daughter in a PUB. Anyone else does that, the kid goes into care. Cameron? Gets a "And finally..." lafftrack on the ten o'clock news.

    Cunt.

  22. Re:You want a family friendly internet? on BT, Sky, and Virgin Enforce UK Porn Blocks By Hijacking Browsers · · Score: 1

    I was denied the vote in the last election because my poll booth closed FIVE HOURS EARLY.

    I'm not the only one this happened to.

    http://news.bbc.co.uk/1/hi/uk_...

    Highest turnout for thirty years?? Sure, half of them didn't get to fucking vote, though!

  23. Re:You want a family friendly internet? on BT, Sky, and Virgin Enforce UK Porn Blocks By Hijacking Browsers · · Score: 1

    all it requires here is a doctor (pretty much any one single person with a doctorate, not necessarily in medicine either) to say "He's mental!" and you're in a room with nice soft walls and wearing a sweater with really long sleeves before you have the chance to try and refuse the needle (which you can't under the mental health act).

  24. oh wow on NuSTAR Takes Beautiful X-ray Image of Sol · · Score: 2

    PIA18906 just became my new wallpaper. Forget the technical stuff, that is just beautiful.

  25. Re:The issue was raised before. on Economists Say Newest AI Technology Destroys More Jobs Than It Creates · · Score: 1

    the tax bill?

    Hell, it seemed to require a new law... also refer to EEOC -v- Ford Motor Company, and the ensuing and continuing saga of the various State Supreme Courts versus the IRS regarding mileage deductions for telecommuting (it's an actual issue!). Oh, not forgetting of course, the increase in billable hours for employees, the resultant reduction in actual travel hours paid on the pretext of not having to travel, overall resulting in salary reduction for more work and people wondering if they just got joejobbed.