The Warner Revolution II, also marketed as the Space Walker II, is an American

homebuilt aircraft Homebuilt aircraft, also known as amateur-built aircraft or kit planes, are constructed by persons for whom this is not a professional activity. These aircraft may be constructed from "scratch", from plans, or from assembly kits.Armstrong, Kenn ...

that was designed and produced by Warner Aerocraft of

Seminole, Florida Seminole is a city in Pinellas County, Florida, United States. The population was 19,364 at the 2020 census. History The first white settlement at Seminole was made in the 1840s. This community was named after the Seminole tribe whose descendant ...

. When it was available the aircraft was supplied as a kit or in the form of plans for amateur construction.Purdy, Don: ''AeroCrafter - Homebuilt Aircraft Sourcebook, Fifth Edition'', page 293. BAI Communications, 15 July 1998. The aircraft is intended to be reminiscent of the open cockpit monoplanes of the 1930s, such as the

Ryan ST The Ryan STs were a series of two seat, low-wing monoplane aircraft built in the United States by the Ryan Aeronautical Company. They were used as sport aircraft, as well as trainers by flying schools and the militaries of several countrie ...

Design and development

Developed from the single-seat Warner Revolution I, the Revolution II features a cantilever

low wing A monoplane is a fixed-wing aircraft configuration with a single mainplane, in contrast to a biplane or other types of multiplanes, which have multiple planes. A monoplane has inherently the highest efficiency and lowest drag of any wing confi ...

, a two-seat

tandem Tandem, or in tandem, is an arrangement in which a team of machines, animals or people are lined up one behind another, all facing in the same direction. The original use of the term in English was in ''tandem harness'', which is used for two ...

open cockpit with dual

windshield The windshield (North American English) or windscreen (Commonwealth English) of an aircraft, car, bus, motorbike, truck, train, boat or streetcar is the front window, which provides visibility while protecting occupants from the elements. ...

s, fixed

conventional landing gear Conventional landing gear, or tailwheel-type landing gear, is an aircraft undercarriage consisting of two main wheels forward of the center of gravity and a small wheel or skid to support the tail.Crane, Dale: ''Dictionary of Aeronautical Term ...

with

wheel pants An aircraft fairing is a structure whose primary function is to produce a smooth outline and reduce drag.Crane, Dale: ''Dictionary of Aeronautical Terms, Third Edition'', page 206. Aviation Supplies & Academics Inc, Newcastle Washington, 1997. ...

and a single engine in

tractor configuration In aviation, the term tractor configuration refers to an aircraft constructed in the standard configuration with its engine mounted with the propeller in front of it so that the aircraft is "pulled" through the air. Oppositely, the pusher co ...

. The aircraft is made from a combination of wood and metal tubing, covered in doped

aircraft fabric Aircraft fabric covering is a term used for both the material used and the process of covering aircraft open structures. It is also used for reinforcing closed plywood structures. The de Havilland Mosquito is an example of this technique, as are ...

. Its span wing lacks flaps and has a wing area of . The acceptable power range is and the standard engines used are the

Continental O-240 The Continental O-240 engine is a four-cylinder, horizontally opposed, air-cooled aircraft engine that was developed in the late 1960s for use in light aircraft by Continental Motors, Inc. The first O-240 was certified on 7 July 1971. Desig ...

or the

Lycoming O-290 Lycoming may refer to the following, most of which are at least partly in Lycoming County, Pennsylvania, United States: Geography * Lycoming, New York, a hamlet * Lycoming County, Pennsylvania * Lycoming Township, Lycoming County, Pennsylvania * L ...

powerplants. The Revolution II has a typical empty weight of and a gross weight of , giving a useful load of . With full fuel of the payload for the pilot, passenger and baggage is . The standard day, sea level, no wind takeoff with a engine is and the landing roll is .

Operational history

In May 2014, 19 examples were registered in the United States with the

Federal Aviation Administration The Federal Aviation Administration (FAA) is the largest transportation agency of the U.S. government and regulates all aspects of civil aviation in the country as well as over surrounding international waters. Its powers include air traffic ...

, although a total of 30 had been registered at one time.

Specifications (Revolution II)

References

External links

* {{Warner Aerocraft aircraft Revolution II 1990s United States sport aircraft 1990s United States ultralight aircraft 1990s United States civil utility aircraft Single-engined tractor aircraft Low-wing aircraft Homebuilt aircraft