Walter Polaris

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

Walter Polaris
Type Radial aero engine
National origin Czechoslovakia
Manufacturer Walter Aircraft Engines


Engines on display

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

Specifications (Polaris)

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

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
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