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

Applications

Engines on display

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

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

v t e Walter aircraft engines
License produced engines	Jumo IV C Jupiter Mars Merkur Mira Mistral Pegas W-III W-IV W-V W-VI W-VII W-VIII
Opposed engines	Atom M202 M208
Inline engines	M 332 M 337 Junior Major 4 Major 6 Mikron Minor 4 Minor 6
V-12 engines	Sagitta Minor 12
Radial engines	NZ 40 NZ 60 NZ 85 NZ 90 NZ 95 NZ 120 Atlas Bora Castor Gemma Mars I Polaris Pollux Regulus Scolar Super Castor Vega Venus
Turbojets	M05 M06 M701
Turboprops	H80 M601 M602