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Walter Mars
1930s Czech piston aircraft engine From Wikipedia, the free encyclopedia
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The Walter Mars was a Czechoslovak 14-cylinder, air-cooled radial engine for powering aircraft, a licensed built Gnome-Rhône 14M.[1]
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Applications
- Focke-Wulf Fw 189[2] Note. 204 of these airplanes were produced in the Aero Praha factory during the war.[3]
Engines on display
A preserved example of the Walter Mars engine is on display at the following museum:
Specifications (Mars)
Data from Letectvi, 1937.[4]
General characteristics
- Type: 14-cylinder two-row radial piston engine
- Bore: 122 mm (4.8 in)
- Stroke: 116 mm (4.6 in)
- Displacement: 18.98 L (1,158 cu in)
- Length: 1,282 mm (50.5 in)
- Diameter: 964 mm (38.0 in)
- Dry weight: 420 kg (930 lb)
Components
- Valvetrain: One intake and one exhaust valve per cylinder
- Fuel system: Carburettor
- Fuel type: Petrol
- Cooling system: Air-cooled
Performance
- Power output: 700 hp (520 kW) at 3,030 rpm
- Specific power: 27.3 KW/L
- Compression ratio: 6.5:1
- Power-to-weight ratio: 1.23 KW/Kg
See also
Related lists
References
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