Originally Posted by
tdracer
One the 747-400 (with autostart) and the 747-8 you can start two engines at a time - although if you're at higher altitudes you probably don't want to.
Curious to know what happens when there isn’t enough ‘puff’ to start two engines simultaneously in that scenario
Will the auto start / FADEC abandon the start(s) if adequate rotation is not achieved within a specific time period, close to starter duty cycle limits ?
Assuming it would not allow fuel on in this circumstance ?