chalker7 wrote: In full-scale applications, dual rotors allow for much greater lifting capacity (effectively double that of a single rotor) and also don't require a yaw-adjusting tail rotor to keep from spiraling out of control.
chalker7 wrote:Dihedral wouldn't affect torque or lift. What I was implying is that dihedral would probably help some stability issues coming from torque/thrust imbalances, but definitely wouldn't be enough if the problems are significant enough.
calgoddard wrote:My suggested bonus for a tandem rubber powered helicopter is probably not practical for this event.....
In regard to the 2012 Helicopters event, slight changes to the 2011 rules are probably the best approach, as I previously noted.
illusionist wrote:Maybe a V-shaped fuesalge, so that it only requires two motor sticks, and no other middle piece? It wouldn't be efficient for thrust, but it is a more lightweight design. You would still have to use two motors.
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