The Walter Castor was a

Czechoslovakia Czechoslovakia ( ; Czech language, Czech and , ''Česko-Slovensko'') was a landlocked country in Central Europe, created in 1918, when it declared its independence from Austria-Hungary. In 1938, after the Munich Agreement, the Sudetenland beca ...

n seven-cylinder, air-cooled

radial engine The radial engine is a reciprocating engine, reciprocating type internal combustion engine, internal combustion engine configuration in which the cylinder (engine), cylinders "radiate" outward from a central crankcase like the spokes of a wheel. ...

for powering

aircraft An aircraft ( aircraft) is a vehicle that is able to flight, fly by gaining support from the Atmosphere of Earth, air. It counters the force of gravity by using either Buoyancy, static lift or the Lift (force), dynamic lift of an airfoil, or, i ...

that was developed in the late 1920s. The Super Castor was a nine-cylinder development.Gunston 1989, p. 174. Castor I production began in 1928, Castor II in 1932 and the Castor III in 1934.

Applications

* Aero A.35 * Aero A.304 (Super Castor) *

Airspeed Envoy The Airspeed AS.6 Envoy was a twin-engined light transport aircraft designed and produced by the British aircraft manufacturer Airspeed Ltd. The Envoy originated as a heavier twin-engine derivative of Airspeed's Courier light transport aircraf ...

* Breda Ba.25 *

Dornier Do K The Dornier Do K was a German commercial passenger and freight monoplane, designed by Claude Dornier and built by Dornier Flugzeugwerke. Only three prototypes of different designs were built and the type was not a commercial success. Design and ...

Fizir F1V The Fizir F1V (Serbian Cyrillic:Физир Ф1В) was the basis from which engineer Rudolf Fizir developed a series of single-engined, two-seat, reconnaissance biplanes fitted with different engines. Construction was carried out in the Yugoslav ...

Hopfner HV-6/28 The Hopfner HV-6/28 was a small airliner built in Austria in the late 1920s for Swiss use. Unrelated to Hopfner's other airliners of the period, the HV-6/28 was a conventional, high-wing, strut-braced monoplane with a fully enclosed cabin. The mai ...

Letov Š-28 The Letov Š-28 was a Czechoslovak single-engined, two-seat reconnaissance aircraft. It was manufactured by Letov Kbely in a number of versions with different powerplants. The most important version was the Š-328, which was produced in relative ...

* Rogozarski AZR * Savoia-Marchetti S.71

Engines on display

A preserved example of the Walter Castor engine is on display at the following museum: *

Prague Aviation Museum, Kbely Kbely Aviation Museum () is the largest aviation museum in the Czech Republic and one of the largest of its kind in Europe. It is located to the north-east of Prague, at the military Prague–Kbely Airport, airport Kbely. Creation of the museum D ...

Specifications (Castor I)

References

Notes

Bibliography

* Gunston, Bill. ''World Encyclopedia of Aero Engines''. Cambridge, England. Patrick Stephens Limited, 1989. {{Walter aeroengines

Castor Castor most commonly refers to: *Castor (star), a star in the Gemini constellation *Castor, one of the Dioscuri/Gemini twins Castor and Pollux in Greco-Roman mythology Castor or CASTOR may also refer to: Science and technology *Castor (rocket s ...