Walter Mars I
| Mars I | |
|---|---|
 |
|
| Walter Mars I powered DAR 4 trimotor c.1930 | |
| Type | 9-cylinder radial engine |
| National origin | Czechoslovakia |
| Manufacturer | Walter Engines |
| First run | c.1929 |
The Walter Mars I was a nine-cylinder, air-cooled, radial engine for aircraft use built in Czechoslovakia in the late 1920s.
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.
Data from Flight, July 1929.
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