Walter Mars I

The Walter Mars I was a nine-cylinder, air-cooled, radial engine for aircraft use built in Czechoslovakia in the late 1920s.

Design and development
The Mars I was the largest capacity design of a series of three similar radial engines developed by the Walter company. Common cylinders were used for the five-cylinder Walter Vega and the seven-cylinder Walter Venus, the Mars I being a nine-cylinder engine.

Applications

 * ANBO III
 * Breda Ba.15
 * DAR 4
 * DAR 6
 * Fizir FN
 * Focke-Wulf A 33
 * Letov Š-32
 * SET 10