Walter Polaris

Polaris

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]

Applications

Letov Š-39

Engines on display

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

Prague Aviation Museum, Kbely

Specifications (Polaris)

General characteristics

Type: 3-cylinder radial piston engine

Components

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

References

Wikimedia Commons has media related to Walter Polaris.

Notes

↑ Gunston 1989, p. 174.

Bibliography

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

Walter aircraft engines

Engines	Atlas M208

Opposed engines	Atom M202

Inline engines	M 332 M 337 Junior Major Mikron Minor

V-12 engines	Sagitta

Radial engines	NZ 40 NZ 60 NZ 85 NZ 120 Bora Castor Gemma Jupiter Mars Merkur Pegas Polaris Pollux Regulus Scolar Super Castor Vega Venus

Turbojets	M05 M06 M701

Turboprops	H80 M601 M602

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