power. B-8MW Hydro Copter - float-equipped B-8M X-25A - B-8M evaluated by USAF. Single example (serial 68-10770) first flown 5 June 1968 and preserved at the National Museum of the United States Air Force at Wright-Patterson Air Force Base B-8 Super Bug - similar to B-8M but with extra engine to spin up rotor before take-off B-8HD Super Gyro-Copter - development of Super Bug first flown in 1979 with hydraulic drive to pre-rotate rotor rather than separate engine B-8V - B-8 powered by a Volkswagen air-cooled engine B-8W Hydro-Glider - float-equipped B-8 intended to be towed behind a boat X-25B - B-8 evaluated by USAF. Single example (serial 68-10771) first flown 23 January 1968 and preserved at the AFFTC Museum at Edwards Air Force Base. Rotorcraft Minicopter Mk 1 - South African variant with pre-rotator and cockpit fairing. Aeroflyte DGH-1 - license-built model from Aeroflyte. Aircraft on display US Southwest Soaring Museum New England Air Museum North Carolina Museum of History Specifications (Typical B-8M, standard rotor) See also References Notes Further reading External links FAI records set by Igor Bensen in B-8M Plans for B8 1950s United States sport aircraft Rotor kites Single-engined pusher autogyros Homebuilt aircraft B-08 Aircraft first flown in 1955