Walter Castor
| Castor | |
|---|---|
| Walter Castor III | |
| Type | Radial aero engine |
| National origin | Czechoslovakia |
| Manufacturer | Walter Aircraft Engines |
| First run | 1929 |
The Walter Castor was a Czechoslovakian seven-cylinder, air-cooled radial engine for powering aircraft that was developed in the late 1920s. The Super Castor was a nine-cylinder development. Castor I production began in 1928, Castor II in 1932 and the Castor III in 1934.