That would explain why the other teams have put the Rotors on the ground. They need that advantage.
I see your equations and estimations, and they are in line with the engineers I have talked to... Still,
Energy is neither created or destroyed.
Other lighter versions include the large rotors that engineers are requiring (in the 100' diameter range.) I will go there if I have to, but this Saturday afternoon, I am doing a spinnup test.
Human Powered Helicopters - Thunderbird
Human Powered Helicopters - Da Vnci III