In the crash report of the AA191 it was mentioned that American Airlines amended their procedures for pilots to follow in the event of an engine failure on take off ie V2 + 10 if carrying excess speed above this. This was done to provide more of a margin above V2.
I know V2 is the minimum speed and does not give as good a climb profile as best abgle/rate but what is the reason for having this excess speed? Why 10 knots? On the Boeing 737 our FD will command a speed of V2 to V2+20.
Just wondering if anyone can point me to the specifics of +10 or 20 knots? Is it to prevent another AA191 crash as in the slats retract thereby increasing the stall speed for that wing, seems like a very specific fix for one sort of problem.