The Walter Mars was a Czechoslovakian 14-cylinder, air-cooled radial engine for powering aircraft, a licensed built Gnome-Rhône 14M.[1]

Mars
Walter Mars 14 M
Type	Radial aero engine
National origin	Czechoslovakia
Manufacturer	Walter Aircraft Engines

Applications

• Messerschmitt M 18^{[citation needed]}

Engines on display

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

• Prague Aviation Museum, Kbely

Specifications (Mars)

Data from Letectvi, 1937.[2]

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

• List of aircraft engines

References

Wikimedia Commons has media related to Walter Mars 14.