Date: 20 Nov 97 02:53:41 From: firstname.lastname@example.org References: 1 2 3 4 5 6 7 8 9 10 11 Followups: 1 2
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Steve Lacker wrote: > Rob Wells (WLL) wrote: > > In Oz it was reported that the APU was definitely non-op. I seem to > > remember that there was only enough compressed air left for one more > > attempt to turn over an engine. But perhaps that was an embelishment > > added by the local tabloids. > > I would say "embellishment." As far as I know, there is NO storage of > compressed air on board a commercial aircraft- certainly not enough for > engine starts. The compressed air is fed from a *running* APU straight > to the engine starter. One other point. The APU cannot be operated in the air on the B747-100/200 series...of running during takeoff, the APU on the B747-400 can be used upto approx 15-20,000 ft. Its doubtful it can be started in the air.