letme show you some clue here
with the speed increased, the back-drag force will increase pronouncely
due to 1, deformation , 2, propeller pitch, 3, propeller tip speed,4, air wave darging force.
with this backward force increased largely.
the heavier aircraft should prevail in the diving.
roughly it is the result I got, and I am quite comfident it is meaningful
and to some extence correct.
Last edited by mayshine; 04-27-2012 at 06:53 PM.
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