Walter Regulus
{{short description|1930s Czech piston aircraft engine}}
| {{Infobox aircraft begin
|name= Regulus |image = Letecké muzeum Kbely (73).jpg |caption = Walter Regulus II }} {{Infobox aircraft engine |type= Radial aero engine |national origin = Czechoslovakia |manufacturer= Walter Aircraft Engines |first run=1934 |major applications= |number built = |program cost = |unit cost = |developed from = |developed into = |variants with their own articles = }} |
The Walter Regulus was a Czechoslovakian five-cylinder, air-cooled radial engine for powering light aircraft that first ran in 1934. The engine produced 186 kW (250 hp).{{cite book |last1=Gunston |first1=Bill |title=World encyclopaedia of aero engines |date=1989 |publisher=P. Stephens |isbn=1-85260-163-9 |page=174 |edition=Fully rev. 2nd}}{{cite journal |title=ENGINES AT THE SHOW |journal=Flight |date=22 November 1934 |volume=XXVI |issue=1352 |pages=1250–1255 |url=http://www.flightglobal.com/pdfarchive/view/1934/1934%20-%201252.html |accessdate=26 December 2018 |format=pdf}}
Engines on display
A preserved example of the Walter Regulus engine is on display at the following museum:
Specifications (Regulus)
{{pistonspecs
|
|ref=Jane's all the World's Aircraft 1931{{cite book |title=Jane's all the World's Aircraft 1931 |editor1-last=Grey |editor1-first=C.G. |year=1931 |publisher=Sampson Low, Marston & company, ltd |location=London |page=29d}}
|type=5-cylinder radial piston engine
|bore={{cvt|135|mm}}
|stroke={{cvt|160|mm}}
|displacement={{cvt|11.45|L|cuin}}
|length={{cvt|1104|mm}}
|diameter={{cvt|1185|mm}}
|width=
|height=
|weight={{cvt|191|kg}}
|valvetrain=One intake and one exhaust valve per cylinder operated by pushrods and rockers
|supercharger=
|turbocharger=
|fuelsystem=One Zenith double 50DCJ carburettor
|fueltype=Benzine / Benzol 50:50
|oilsystem=dry sump, pressure system
|coolingsystem=Air-cooled
|power= Normal:{{cvt|185|hp|order=flip}} at 1,800 rpm; Maximum {{cvt|230|hp|order=flip}}
|specpower=
|compression=5.7:1
|fuelcon=
|specfuelcon={{cvt|0.464|lb/hph|kg/kWh|order=flip}}
|oilcon={{cvt|0.022|lb/hph|kg/kWh|order=flip}}
|power/weight=
}}
See also
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|related=
|similar aircraft=
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