Walter Polaris

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Letecké muzeum Kbely (72).jpg
Walter Polaris
Type Radial aero engine
National origin Czechoslovakia
Manufacturer Walter Aircraft Engines

The Walter Polaris was a Czechoslovakian three-cylinder, air-cooled radial engine for powering light aircraft that was developed in the 1930s.[1]


Engines on display[edit]

A preserved example of the Walter Polaris engine is on display at the following museum:

Specifications (Polaris)[edit]

General characteristics

  • Type: 3-cylinder radial piston engine


  • Valvetrain: One intake and one exhaust valve per cylinder
  • Fuel system: Carburettor
  • Fuel type: Petrol
  • Cooling system: Air-cooled

See also[edit]

Comparable engines
Related lists



  1. ^ Gunston 1989, p. 174.


  • Gunston, Bill. World Encyclopedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989. ISBN 1-85260-163-9