Web12 set 2011 · Main Engine Start (MES) to APU shutdown: The cool-down time to allow after main engine start. ... If the APU appears to have started but no APU GEN OFF BUS light is observed then you may have a hung … Web9 apr 2013 · ENGINES. 3. Introduction The airplane is powered by two CFM56–7 engines. The engine is a dual–rotor, axial–flow turbofan. The N1 rotor consists of a fan, a low–pressure compressor and a low– pressure turbine. The N2 rotor consists of a high–pressure compressor and a high– pressure turbine.

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WebThe only way to get the engine to shut down is to first remove the bleed air source from the start valve and then turn the start switch to "STOP". Close the APU bleed valve or deselect the external air cart or close the cross … WebWould never attempt a double engine start on the bus; you are asking for a hot/hung start, doubt the APU would have enough puff anyway. grounded27. 6th Jun 2011, 22:06. Not a 320 guy but logic dictates that most engine starters cut out at approx 50% n2, thus the end of the start cycle. mega yeats horse

Aircraft Gas Turbine Engine Starters - Aircraft Systems

Web5 ott 2012 · If you are going to initiate a manual start, then that is not a memory procedure so you would then have to access the relevent section in the FCOM. If you then follow the manual start procedure /checklist you would be out of … WebA hung start is identified by light-off followed by abnormally slow acceleration and rpm stabilization below idle. A hung start may be result of fuel scheduling being either too lean or too rich. A lean hung start is … Web26 apr 2024 · 767 APU Hung Start was created by Mark. We recently had a APU which would hang at 30% during start and then shutdown. The problem was approached as an electrical issue when we should have … megaychtclub