Bensen B-5 Gyroglider
Bensen's range of do-it-yourself helicopters and autogyros stem from the B-5 Gyro-Glider of 1954, which was a single-seat rotor-kite towed into the air at around 30km/h and obtained its lift by the flow of air over its autorotating rotor. The 86 lb Bensen "Gyro-glider" which, towed behind a car, takes off at about 20 m.p.h.
From this factory-built prototype, Bensen evolved the B-6 and B-7.
Rotor diameter: 18 ft
Rotors: 2-blade main rotor
Empty weight: 86 lb