Gas Turbine Start Allison 250 C20B

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Uploaded by on Jan 15, 2009

Allison C20B gas turbine engine starting up. 420 SHP unit fitted to AS355 twin-engine helicopter. For book on small gas turbines search ebay small gas turbines #130588679545

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Autos & Vehicles

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Uploader Comments (gasturbine101)

  • Tick tick tick booooooo, sweet! Ever have the right hand engine compressor stall on start?

  • No, the C20 engine has a special bleed valve, the engine shouldn't stall on start up unless this valve is faulty and may be stuck shut after a run.

Top Comments

  • I love that sound~! almost as much as the smell of Jet Fuel in the morning...

  • I never get tired of hearing those turbines fire up! Awesome!

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All Comments (18)

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  • Beatiful!!! I am from Argentina, we heve hiller uh12 soloy, and they have Allison 250 C20B, the best turbine in the world!!! I am sorry for my english, grettings from Argentina!

  • That is one of the most beautiful man made noises one can hear. Simply amazing. The engineering that went into development of the turbine is fascinating!

  • dont helicopters use twin engines one each beside the rotor shaft. If one fails it can still fly am i right?

  • @BCAD01 Amazing. Me as well not!

  • @EliteMadHornet He's gone now... no more worries...

  • @e081194eng wow, lol FAA didn't nail him for it?

  • Nothing worst than to do a maintenance operational check (MOC) and have your head next to the engine during start, and have fuel spray all over your face because of a fuel line not properly torqued !!! Or, have an oil pressure reducer installed backwards and have oil all over the engine deck !!! I had a mechanic notorious for this !!!

  • Those startup videos need be longer - all the way to wam-up idle imho.

  • @wranglerguy06: hell yea!

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