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Old 15th Sep 2003, 03:36   #16 (permalink)
Dave_Jackson
 
Join Date: Apr 2003
Location: Vancouver, BC, Canada
Posts: 1,616
Just an additional bit of information

Slowrotor,

If you are still interested in optimizing the power to weight ratio, you might find the last paragraph on page 9 and the next paragraph on page 10 of interest.

Study of Dual-Rotor Interference and Ground Effect Using a Free-Vortex Wake Model
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