Walter Mars
{{Short description|1930s Czech piston aircraft engine}}
{{For|the smaller 1920s nine-cylinder engine|Walter Mars I}}
| {{Infobox aircraft begin
|name= Mars |image = Letecké muzeum Kbely (78).jpg |caption = Walter Mars 14 M }} {{Infobox aircraft engine |type= Radial aero engine |national origin = Czechoslovakia |manufacturer= Walter Aircraft Engines |first run= |major applications= |number built = |program cost = |unit cost = |developed from = |developed into = |variants with their own articles = }} |
The Walter Mars was a Czechoslovakian 14-cylinder, air-cooled radial engine for powering aircraft, a licensed built Gnome-Rhône 14M.{{cite book |last=Gunston |first=Bill |title=World Encyclopaedia of Aero Engines |year=1989 |publisher=Patrick Stephens Limited |location=Cambridge, England |isbn=978-1-85260-163-8 |edition= 2nd |page=174}}
Applications
- Focke-Wulf Fw 189Bundesarchiv/Militärarchiv Freiburg, Produktionsprogramme (german) Note. 204 of these airplanes were produced in the Aero Praha factory during the war.Smith, J Richard; Kay, Anthony (1978) [1972], German Aircraft of the Second World War (third impression ed.), p. 172, London: Putnam & Co, ISBN 0-370-00024-2.
Engines on display
A preserved example of the Walter Mars engine is on display at the following museum:
Specifications (Mars)
{{pistonspecs
|
|type=14-cylinder two-row radial piston engine
|bore={{cvt|122|mm}}
|stroke={{cvt|116|mm}}
|displacement={{cvt|18.98|L|cuin}}
|length={{cvt|1282|mm}}
|diameter={{cvt|964|mm}}
|width=
|height=
|weight= {{cvt|420|kg}}
|valvetrain=One intake and one exhaust valve per cylinder
|supercharger=
|turbocharger=
|fuelsystem=Carburettor
|fueltype=Petrol
|oilsystem=
|coolingsystem=Air-cooled
|power= {{cvt|700|hp}} at 3,030 rpm
|specpower=27.3 KW/L
|compression=6.5:1
|fuelcon=
|specfuelcon=
|oilcon=
|power/weight=1.23 KW/Kg
|designer=
|reduction_gear=
|general_other=
|components_other=
|performance_other=
}}
See also
{{aircontent
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|related=
|similar aircraft=
|lists=
|similar engines=
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