This is an older video, but I don't recall ever seeing it before....the pilot is one cool-headed dude! His is the calmest voice throughout the entire sequence.
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F16 Deadstick landing....
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The F-16 is fly-by-wire. There's no cabling or pulleys between the stick and flight control surfaces. The Flight Controls computer and associated boxes have to be powered and operating to sense pilot inputs on the stick and to commands the hydraulics to move the flaps/ailerons. I'm pretty sure all that is battery backed.Last edited by Leah; Yesterday at 10:18 PM.
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^^^CLOSE^^^Originally posted by propellerhead View PostThe F-16 is fly-by-wire. There's no cabling or pulleys between the stick and flight control surfaces. The Flight Controls computer and associated boxes have to be powered and operating to sense pilot inputs on the stick and to commands the hydraulics to move the flaps/ailerons. I'm pretty sure all that is battery backed.
APU- http://en.wikipedia.org/wiki/Auxiliary_power_unit
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The F-16 uses a Hydarzine-fueled EPU (Emergency Power Unit) to provide nearly instantaneous backup electrical and hydraulic power. Normally, the engine accessory gearbox drives a starter/generator and two hydraulic pumps, and there is a 4-battery power supply that keeps the avionics alive until the EPU is up to speed, which usually takes just 2 or 3 seconds. The EPU is started automatically in the event of a loss of electrical or hydraulic power. The engine could still be running, but the drive to the accessory gearbox can fail independantly.Originally posted by propellerhead View PostThe F-16 is fly-by-wire. There's no cabling or pulleys between the stick and flight control surfaces. The Flight Controls computer and associated boxes have to be powered and operating to sense pilot inputs on the stick and to commands the hydraulics to move the flaps/ailerons. I'm pretty sure all that is battery backed.
Hydrazine is used to because it allows the EPU to start quick enough to maintain control of the aircraft. Remember this is a fly-by-wire aircraft with hydraulic-powered flight control surfaces. A typical APU could take up to 30 seconds or more to activate, and is heavier and bulkier than an APU. The big downside is that Hydrazine is very toxic (causes cancer) so the aircraft must be handled carefully after the activation of the EPU.
Eric
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Funny, If you listen at the end of the video, they speak about the Hydrazine risk and need for Fire support....Originally posted by txblu View PostThe big downside is that Hydrazine is very toxic (causes cancer) so the aircraft must be handled carefully after the activation of the EPU.
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I like how ATC was being such a cheerleader throughout as if the pilot was was anything other than calm, cool, and collective. ATC seemed to be the more nervous of the two in that predicament. Good to see the pilot wasn't fazed by the engine trouble, likely due to all the training he had in handling situations just like that, and safely landed without further incident.
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