Quote:
What prevents Boeing from switching to NiCad-batteries? Their 777 has them "ready".Because of the size of the starter/generator units fitted to the APU, a NiCad cannot produce sufficient current, no matter how big it is.
Ok.What about PT-6 and PW-100 engines during a Battery start with an old NiCad system.
The amperemeter is showing up to 1000 amps...