Originally Posted by
procede
Take off is primarily an an energy management exercise and an engine failure at V1 is the critcal take off weight determing factor for a given runway.
I'm guessing the software is optimised to reach screen height at exactly at V2, where the speed there is usually a bit higher, and saves some distance in that way.
but i'm guessing that if one of the engines fails within the critical window it won't be the automation that has to save the day???