Walter Castor
{{short description|1920s Czech piston aircraft engine}}
| {{Infobox aircraft begin
|name= Castor |image = Letecké muzeum Kbely (79).jpg |caption = Walter Castor III }} {{Infobox Aircraft Engine |type= Radial aero engine |national origin = Czechoslovakia |manufacturer= Walter Aircraft Engines |first run= 1929 |major applications= |number built = |program cost = |unit cost = |developed from = |developed into = |variants with their own articles = }} |
The Walter Castor was a Czechoslovakian seven-cylinder, air-cooled radial engine for powering aircraft that was developed in the late 1920s. The Super Castor was a nine-cylinder development.Gunston 1989, p. 174. Castor I production began in 1928, Castor II in 1932 and the Castor III in 1934.
Applications
Engines on display
A preserved example of the Walter Castor engine is on display at the following museum:
Specifications (Castor I)
File:Walter Castor (1928) Pestrý týden.jpg
{{pistonspecs
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|ref=Flight.,[http://www.flightglobal.com/pdfarchive/view/1929/1929%20-%200298.html Flight - The Walter Castor - 14 February 1929] Retrieved: 19 October 2010 L'Air 1 December 1929: Les Moteurs Walter{{cite journal |title=Les Moteurs Walter |journal=L'Air: Revue mensuelle |date=1 December 1929 |issue=242 |page=35 |url=https://gallica.bnf.fr/ark:/12148/bpt6k9808884p |accessdate=14 February 2019 |language=fr}}
|type=7-cylinder radial piston engine
|bore={{cvt|135|mm|2}}
|stroke={{cvt|170|mm|2}}
|displacement={{cvt|17.033|L|cuin}}
|length=
|diameter=
|width=
|height=
|weight= {{cvt|248|kg}}
|valvetrain=One intake and one exhaust valve per cylinder
|supercharger=
|turbocharger=
|fuelsystem=Zenith carburettor
|fueltype=50% Petrol, 50% Benzol
|oilsystem=
|coolingsystem=Air-cooled
|power= {{cvt|240|hp|order=flip}} at 1,750 rpm normal
|specpower=
|compression=6:1
|fuelcon=
|specfuelcon={{cvt|0.496|lb/hph|kg/kWh|order=flip}} at 0.8 - 0.81 specific gravity
|oilcon={{cvt|0.044|lb/hph|kg/kWh|order=flip}}
|power/weight= 0.78 kW/kg (0.48 hp/lb)
}}
See also
{{aircontent
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|related=
|similar aircraft=
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|similar engines=
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References
{{Commons category}}
=Notes=
{{reflist}}
=Bibliography=
{{refbegin}}
- Gunston, Bill. World Encyclopedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989. {{ISBN|1-85260-163-9}}
{{refend}}
{{Walter aeroengines}}