747FOCAL,
What you are trying to do is already available as a B747 procedure, its called improved climb.
Basically its a case or trading excess field length for speed, but all 3 speeds are increased and not just the V2.
BTW, why dont you just use Flaps 10 rather than 20?
Mutt
[This message has been edited by mutt (edited 15 February 2001).]