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

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

Design and development

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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.[1]

Applications

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Specifications

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Data from Flight, July 1929.[1]

General characteristics

Components

  • Fuel system: Zenith Type 42 carburettor; two plugs/cylinder and twin Scintilla magnetos
  • Cooling system: Air-cooled
  • Reduction gear: Direct drive

Performance

See also

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Related lists

References

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  1. ^ a b "Czechoslovakia". Flight. XXI: 762. 25 July 1929.