PPRuNe Forums - View Single Post - What's is the function of an APU?

21st Mar 2004, 07:33

#11 (permalink)

ROB-x38

Join Date: Nov 2003

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APU thrust

I suppose it must but the effects on performance would be negligible.

I've heard the trident used its APTU (Auxiliary Power & Thrust Unit) on takeoff when field / climb performance was borderline. Don't know any figures.