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Flight of the Phoenix question...

El Bucho

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I remember it from the original too. Does anybody know exactly how that works with starting a big round engine with what looks like a 12 gauge shotgun shell? I know it's some sort of charge or whatever, but just wondered exactly how that worked. Thanks.

EB
 

EagleRJ

Are we there yet?
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It was called a cartridge starter. It used gas from a shotgun-type blank to turn the engine over in remote areas where there wasn't a power cart and the plane's battery might be dead.

Similar systems were used later on in turbine engines, such as the B-57 Canberra's famous smoky starts.
 

erj-145mech

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El Bucho said:
I remember it from the original too. Does anybody know exactly how that works with starting a big round engine with what looks like a 12 gauge shotgun shell? I know it's some sort of charge or whatever, but just wondered exactly how that worked. Thanks.

EB

It was called a Kaufmann starter. The expanding gasses were directed over a flywheel, which spun it up, then thru a rudimentary gear arrangement to convert the energy into a usable torque from the revolutions, then thru a sprague clutch to the crankshaft via the accessory case. Very similar to an inertial starter found on R-985's and 1340's.
 

joe_pilot

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B-52's had a similar system for use on the alert pad. The could fire up all 8 engines at once. I understand the crew chiefs hated it because it was a real pain to clean up afterwards.

Any Buff crews around?
 
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