Vertical Takeoff and Landing aircraft concept that uses single blade rotors (Samara – or maple seed). The single blades are stopped in cruise to avoid the trailing edge stall problem of conventional rotorcraft. The blades are designed to operate at low tip speeds (~300 ft/sec), which also coincides with the sizing to carry the cruise loads as wing panels. Each Samara blade utilizes swashplateless technologies such as the Heli-flap, to provide full cyclic and collective blade control. The overall purpose of the concept is to achieve matching of the power required in hover and at cruise.

By Gary Mortimer

Founder and Editor of sUAS News | Gary Mortimer has been a commercial balloon pilot for 25 years and also flies full-size helicopters. Prior to that, he made tea and coffee in air traffic control towers across the UK as a member of the Royal Air Force.