Walter Castor

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.

Applications

 * Aero A.35
 * Aero A.304 (Super Castor)
 * Airspeed Envoy
 * Breda Ba.25
 * Dornier Do K
 * Fizir F1V
 * Hopfner HV-6/28
 * Letov Š-28
 * 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