The Steen Skybolt is an American homebuilt aerobatic biplane. Designed by teacher Lamar Steen as a high school engineering project, the prototype first flew in October 1970.
General characteristics
Crew: one
Capacity: one passenger
Length: 19 ft 0 in (5.79 m)
Wingspan: 24 ft 0 in (7.32 m)
Height: 7 ft 0 in (2.13 m)
Empty weight: 1,080 lb (490 kg)
Max takeoff weight: 1,650 lb (748 kg)
Powerplant: 1 × Lycoming HO-360-B1B piston, 180 hp (130 kW)
Performance
Maximum speed: 145 mph (233 km/h, 126 kn)
Cruise speed: 130 mph (210 km/h, 110 kn)
Range: 450 mi (720 km, 390 nmi)
Rate of climb: 2,500 ft/min (13 m/s)