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New York, 4:09 AM
Tue Dec 22
73 posts in the last 24 hours

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  • posts about #chopper more →

    Codenamed Yellow Jacket, This Unmanned Helicopter Sniffs Out Roadside Bombs

    Fearless Chinese Farmer Builds Dubious "Working" Helicopter Using Wood, Massive Cojones

    World's Largest RC Chopper Is Probably Big Enough for a Very Short Pilot
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    Dsmvwl  Admin  Promote to frontpage Approve user Ban user ×
    Image of B52HVet B52HVet
    11/03/09

    In reply to Codenamed Yellow Jacket, This Unmanned Helicopter Sniffs Out Roadside Bombs
    From the full article:

    "All active electronic devices, including wireless receivers used to trigger to IEDs - radiate electronic energy, and US researchers have developed ways to detect and identify such devices based on these "unintentional" emissions."

    I'm damned glad that we are getting tech like this into service. I've had too many friends injured/killed from (comparatively) stone aged tech overseas. Hope this works as well as advertised. #unmannediedsniffinghelicopter
     Reply
    B52HVet was starred B52HVet was unstarred
    Image of CurtisMugen CurtisMugen
    11/03/09

    In reply to Codenamed Yellow Jacket, This Unmanned Helicopter Sniffs Out Roadside Bombs
    Silly codename? As a Georgia Tech football fan, I disagree and merely hope that when it finds an IED, it runs the option on it.
     Reply
    BergenCountyJC promoted this comment CurtisMugen was starred CurtisMugen was unstarred
    Image of Jrsy Devil's Advocate® Jrsy Devil's Advocate®
    11/03/09

    In reply to Codenamed Yellow Jacket, This Unmanned Helicopter Sniffs Out Roadside Bombs
    This needs to be painted with black and yellow stripes. #unmannediedsniffinghelicopter
     Reply
    Jrsy Devil's Advocate® was starred Jrsy Devil's Advocate® was unstarred
    Image of Meantux Meantux
    11/03/09

    In reply to Codenamed Yellow Jacket, This Unmanned Helicopter Sniffs Out Roadside Bombs
    "will be able to survey areas for the electromagnetic emissions associated with receivers and provide an early warning to soldiers." ???

    In my book a receiver is passive and can't be detected, less getting its "electromagnetic emissions associated". What's next? warp drive?... #unmannediedsniffinghelicopter
     Reply
    The Lab promoted this comment Meantux was starred Meantux was unstarred
    Image of The Lab The Lab
    11/03/09

    @Meantux: Most IEDs use cell phones that check in with towers often. That's my guess. #unmannediedsniffinghelicopter
     Reply
    The Lab was starred The Lab was unstarred
    Image of Soldier_CLE says DON'T STOP AT THE STAR! REVOKE THE WHOLE DAMN THING, OWEN!!! Soldier_CLE says DON'T STOP AT THE STAR! REVOKE THE WHOLE DAMN THING, OWEN!!!
    11/03/09

    @The Lab: Actually, that is one way that can be sent.

    While it would be bad form for me to mention exactly how it works, it is within the safety briefings that troops of many countries are given. #unmannediedsniffinghelicopter
     Reply
    Soldier_CLE says DON'T STOP AT THE STAR! REVOKE THE WHOLE DAMN THING, OWEN!!! was starred Soldier_CLE says DON'T STOP AT THE STAR! REVOKE THE WHOLE DAMN THING, OWEN!!! was unstarred
    Image of gavscott gavscott
    11/03/09

    @Meantux: Most receivers use oscillators to tune their receiver, and those oscillators emit RF. Sensitive detection circuitry can tell if you have a receiver operating, and what frequency it's tuned to.

    It's similar to the way the VG-2 "radar detector detector" works - it listens for frequencies emitted by your radar detector as it listens for radar, and alerts the police that you have a radar detector in the car. #unmannediedsniffinghelicopter
     Reply
    The Lab promoted this comment gavscott was starred gavscott was unstarred
    Image of Soldier_CLE says DON'T STOP AT THE STAR! REVOKE THE WHOLE DAMN THING, OWEN!!! Soldier_CLE says DON'T STOP AT THE STAR! REVOKE THE WHOLE DAMN THING, OWEN!!!
    11/03/09

    In reply to Codenamed Yellow Jacket, This Unmanned Helicopter Sniffs Out Roadside Bombs
    Interesting. It's too bad that there (currently) isn't an aerial unmanned version of the MICLIC that can destroy those roadside (and elsewhere) pests.

    DARPA.... get to work on it! #unmannediedsniffinghelicopter
     Reply
    Soldier_CLE says DON'T STOP AT THE STAR! REVOKE THE WHOLE DAMN THING, OWEN!!! was starred Soldier_CLE says DON'T STOP AT THE STAR! REVOKE THE WHOLE DAMN THING, OWEN!!! was unstarred
    Image of strider_mt2k strider_mt2k
    08/09/09

    In reply to Fearless Chinese Farmer Builds Dubious "Working" Helicopter Using Wood, Massive Cojones
    During this flight the craft rose out of hearing of those on the ground.
    Just before coming back into audible range, however, one small nearsighted child with a knit cap looked up and said, "Choppers!"
     Reply
    Edited by strider_mt2k at 08/09/09 2:17 PM strider_mt2k was starred strider_mt2k was unstarred
    Image of GitEmSteveDave_ My Brute Dojo Code CDIAFIFE GitEmSteveDave_ My Brute Dojo Code CDIAFIFE
    08/09/09

    @strider_mt2k: That was Korea.
     Reply
    GitEmSteveDave_ My Brute Dojo Code CDIAFIFE was starred GitEmSteveDave_ My Brute Dojo Code CDIAFIFE was unstarred
    Image of traviscollins traviscollins
    08/09/09

    In reply to Fearless Chinese Farmer Builds Dubious "Working" Helicopter Using Wood, Massive Cojones
    This thing can't fly. There are no control surfaces for turning. On a real helicopter, the main rotor blades have little linkages near the main turbine that allow the pilot to tilt the blades. Real helicopters also have the ability to title the whole main shaft and blades forward and backwards.
    That's how real helicopters move forward, backwards, left and right. Notice all of that is missing from this thing.
    If he did even get off the ground, and managed to power the rear rotor enough to keep the vehicle from spinning wildly out of control, he'd have no way to control the path of his flight. He'd literally be at the mercy of the wind.
     Reply
    Jack Loftus promoted this comment traviscollins was starred traviscollins was unstarred
    Image of aerospaceman aerospaceman
    08/09/09

    @Travis Collins:
    it's controlled by Party doctrine.
     Reply
    Curves promoted this comment aerospaceman was starred aerospaceman was unstarred
    Image of KenK KenK
    08/09/09

    @Travis Collins: As a helicopter pilot, I would have to say that it would take some serious balls to even get 1 foot off the ground in this thing. I doubt that engine could do it with that tiny amount of rotor surface area.
     Reply
    Jack Loftus promoted this comment KenK was starred KenK was unstarred
    Image of Eruanno Eruanno
    08/09/09

    In reply to Fearless Chinese Farmer Builds Dubious "Working" Helicopter Using Wood, Massive Cojones
    So... is the engine above his head? *Creeeeaaak THUD*
     Reply
    leave_aMessage promoted this comment Eruanno was starred Eruanno was unstarred
    Image of leave_aMessage leave_aMessage
    08/09/09

    @Eruanno: No giz commenter has ever made me fall over laughing before. +1.
     Reply
    leave_aMessage was starred leave_aMessage was unstarred
    Image of weshirecat tells it in the form of a question? weshirecat tells it in the form of a question?
    08/09/09

    In reply to Fearless Chinese Farmer Builds Dubious "Working" Helicopter Using Wood, Massive Cojones
    Shenna.......Bullshit! just Bullshit! Is that rope holding the engine in place? If RC helicopters have taught me anything, it's that you cannot tie the engine in place and get off the ground.
     Reply
    Jack Loftus promoted this comment weshirecat tells it in the form of a question? was starred weshirecat tells it in the form of a question? was unstarred
    Image of Elliuotatar Elliuotatar
    08/09/09

    In reply to Fearless Chinese Farmer Builds Dubious "Working" Helicopter Using Wood, Massive Cojones
    [kwc.org]
    There's no way this thing worked.
     Reply
    Jack Loftus promoted this comment Elliuotatar was starred Elliuotatar was unstarred
    Image of wagnerrp wagnerrp
    08/09/09

    @Elliuotatar: Are you implying that because Mythbusters could not get off the ground with a pair of 4' ducted fans, someone else would not be able to build a helicopter? It's basic propeller theory... a larger propeller will produce more thrust with the same amount of power with a lower flow velocity. It's the reason why turbofans are so much more efficient than turbojets, and turboprops are so much more efficient than turbo fans, but each is capable of lower top speeds than the last.
     Reply
    Jack Loftus promoted this comment wagnerrp was starred wagnerrp was unstarred
    Image of frigg frigg
    08/09/09

    In reply to Fearless Chinese Farmer Builds Dubious "Working" Helicopter Using Wood, Massive Cojones
    Don't get me wrong, I think this is awesome. But is anyone else bothered by the entire quote in the original story that says he managed to assemble this thing using "relevant knowledge [found while] surfing the internet via my prototype 4G Apple iPhone?"
     Reply
    frigg was starred frigg was unstarred
    Image of GitEmSteveDave_ My Brute Dojo Code CDIAFIFE GitEmSteveDave_ My Brute Dojo Code CDIAFIFE
    08/09/09

    @frigg: Foxcon?!!?
     Reply
    GitEmSteveDave_ My Brute Dojo Code CDIAFIFE was starred GitEmSteveDave_ My Brute Dojo Code CDIAFIFE was unstarred
    Image of dufus dufus
    08/09/09

    In reply to Fearless Chinese Farmer Builds Dubious "Working" Helicopter Using Wood, Massive Cojones
    Why do I want to call shenanigans on this one?
    Oh right... because wood would splinter and fly apart if it was subjected to the kind of stress needed to lift an object like that.
    Not buying it. Someone may have built it, but I'm not going to believe that it can fly.
     Reply
    GitEmSteveDave_HasAList promoted this comment dufus was starred dufus was unstarred
    Image of GitEmSteveDave_ My Brute Dojo Code CDIAFIFE GitEmSteveDave_ My Brute Dojo Code CDIAFIFE
    08/09/09


    @dufus: We have a call of Shenanigans! But this call is being declined by this self admitted "dufus" not knowing that some plane propellers are still made today of said "wood", and that the first helicopters were flown in the 1900's, well before the common usage of fiberglass, aluminum, and carbon fibre.
     Reply
    GitEmSteveDave_ My Brute Dojo Code CDIAFIFE was starred GitEmSteveDave_ My Brute Dojo Code CDIAFIFE was unstarred
    Image of jetRink jetRink
    08/09/09

    @dufus: Spruce Goose?
    [en.wikipedia.org]
     Reply
    GitEmSteveDave_HasAList promoted this comment jetRink was starred jetRink was unstarred
    Image of GitEmSteveDave_ My Brute Dojo Code CDIAFIFE GitEmSteveDave_ My Brute Dojo Code CDIAFIFE
    08/09/09

    @jetRink: You mean the Hercules? Stop calling the plane by it's mocking name.
     Reply
    GitEmSteveDave_ My Brute Dojo Code CDIAFIFE was starred GitEmSteveDave_ My Brute Dojo Code CDIAFIFE was unstarred
    Image of four12 four12
    08/09/09

    @dufus: Aircraft flew with wooden propellers for decades before metal props were perfected.

    [www.woodenpropeller.com]

    [www.modernwoodenpropellers.com]

    A fixed wing propeller rotates at much higher speed and thus is exposed to greater forces than a rotary wing is.

    Many aircraft today still use wooden props - they are things of engineering and aesthetic beauty.

    So; your comment = fail.
     Reply
    Jack Loftus promoted this comment Edited by four12 at 08/09/09 12:04 PM four12 was starred four12 was unstarred
    Image of dufus dufus
    08/10/09

    @GitEmSteveDave_HasAList: While I recognize that the earliest props were made from wood, the wood they used was largely laminated for strength and had to be tuned to keep the device from wobbling apart.
    I'm still not buying it.
     Reply
    dufus was starred dufus was unstarred
    Image of GitEmSteveDave_ My Brute Dojo Code CDIAFIFE GitEmSteveDave_ My Brute Dojo Code CDIAFIFE
    08/09/09

    In reply to Fearless Chinese Farmer Builds Dubious "Working" Helicopter Using Wood, Massive Cojones
    OK, so let me see if I have the totals correct. So far Chinese "Farmers" have built a helicopter, a plane(or two), and robots. For some reason, I'm starting to think SkyNet isn't the one to fear/watch.
     Reply
    GitEmSteveDave_ My Brute Dojo Code CDIAFIFE was starred GitEmSteveDave_ My Brute Dojo Code CDIAFIFE was unstarred
    Image of Adhominem Adhominem
    08/09/09

    @GitEmSteveDave_HasAList: Watching rural China is like watching a real time parallel of technological advances starting from the 1900's.
     Reply
    Ryanraven promoted this comment Adhominem was starred Adhominem was unstarred
    Image of GitEmSteveDave_ My Brute Dojo Code CDIAFIFE GitEmSteveDave_ My Brute Dojo Code CDIAFIFE
    08/09/09

    @Adhominem: Fine, when a Chinese Hunter Killer is following you, remind it it looks like a reject from the 1900's.
     Reply
    GitEmSteveDave_ My Brute Dojo Code CDIAFIFE was starred GitEmSteveDave_ My Brute Dojo Code CDIAFIFE was unstarred
    Image of SigmundTheSeaMonster SigmundTheSeaMonster
    07/09/09

    In reply to World's Largest RC Chopper Is Probably Big Enough for a Very Short Pilot
    Git in to da choppa!
     Reply
    SigmundTheSeaMonster was starred SigmundTheSeaMonster was unstarred
    Image of metal face eagle premium is not from So Cal metal face eagle premium is not from So Cal
    07/08/09

    In reply to World's Largest RC Chopper Is Probably Big Enough for a Very Short Pilot
    Holy Shit.
     Reply
    metal face eagle premium is not from So Cal was starred metal face eagle premium is not from So Cal was unstarred
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