Articles by redback

Airscooter Coaxial Ultralight Helicopter

Airscooter Coaxial Helicopter Here we have another interesting coaxial helicopter design. Unfortunately the failure to design adjustable pitch rotor blades negates the possibility for autorotation…







UltraSport Helicopters

UltraSport Composite Kit Helicopter The UltraSport series of helicopters was a technically advanced composite design kit helicopter that originated in two primary versions, the 254…