"Also note the lack of controls for the rotor heads ... controls lift soley by RPM."
Sounds like a job for tip servos, although i couldn't see any...
General coaxial question: How is the lower rotor pitch set, relative to upper rotor pitch? I am curious in light of NL's point about the difficulty in using downwash for tail rotor anti-torque. Do these machines inherently suffer more buffet?
Hmmm, high speed options seem to be as follows:
1. Coaxial, with potential downwash instability in foward flight.
2. Synchropter (Stepniwski rot), with blade slap or rotor vibration.
3. Interleaving, with complex drivetrain and wider planform.
4. Tiltrotor, with poor performance and horrendous complexity.
Anyone else beginning to see insurmountable aerodynamic limitations?
Mart
Last edited by Graviman; 29th August 2005 at 18:57.