Warner Revolution II

The Warner Revolution II, also marketed as the Space Walker II, is an American homebuilt aircraft that was designed and produced by Warner Aerocraft of Seminole, Florida. When it was available the aircraft was supplied as a kit or in the form of plans for amateur construction.

The aircraft is intended to be reminiscent of the open cockpit monoplanes of the 1930s, such as the Ryan ST.

Design and development
Developed from the single-seat Warner Revolution I, the Revolution II features a cantilever low wing, a two-seat tandem open cockpit with dual windshields, fixed conventional landing gear with wheel pants and a single engine in tractor configuration.

The aircraft is made from a combination of wood and metal tubing, covered in doped aircraft fabric. Its 28.00 ft span wing lacks flaps and has a wing area of 126.0 sqft. The acceptable power range is 85 to 160 hp and the standard engines used are the 125 hp Continental O-240 or the 125 hp Lycoming O-290 powerplants.

The Revolution II has a typical empty weight of 800 lb and a gross weight of 1400 lb, giving a useful load of 600 lb. With full fuel of 17 u.s.gal the payload for the pilot, passenger and baggage is 498 lb.

The standard day, sea level, no wind takeoff with a 125 hp engine is 400 ft and the landing roll is 450 ft.

Operational history
In May 2014, 19 examples were registered in the United States with the Federal Aviation Administration, although a total of 30 had been registered at one time.