heedm, the incorporation of 'jump takeoff' in gyrocopters is an interesting example of rotational inertia in a rotor system.
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Nick, are you putting a little western spin on your percentages?
The deputy chief designer of Kamov Company claims, with a little eastern spin
, that the coaxial configuration can save 10-12% over the single rotor with a tail rotor.
Would you agree that the torque of the main rotor must be offset in both hover and forward flight? In forward flight the 'angular drag' of the vertical stabilizer 'takes over' for the tail rotor?
[ 30 November 2001: Message edited by: Dave Jackson ]