The Rolls-Royce Pennine was a British 46-litre air-cooled sleeve valve engine with 24 cylinders arranged in an X formation. It was an enlarged version of the 22-litre
Exe
Exe or EXE may refer to:
* .exe, a file extension
* exe., abbreviation for Executive (disambiguation)#Role, title, or function, executive
Places
* River Exe, in England
* Exe Estuary, in England
* Exe Island, in Exeter, England
Transportation a ...
; a prototype engine was built and tested, but never flew. The project was terminated in 1945, being superseded by the jet engine.
A 100-litre 5,000 hp X32 (twin-X16) version of the Exe/Pennine, originally known as the Exe 100, was to have become the Rolls-Royce Snowdon.
Rolls-Royce air-cooled engines, intended for commercial transport aeroplane use, were named after British mountains, e.g.
The Pennines
The Pennines (), also known as the Pennine Chain or Pennine Hills, are a range of uplands mainly located in Northern England. Commonly described as the " backbone of England" because of its length and position, the range runs from Derbyshire a ...
and
Snowdon
Snowdon (), or (), is a mountain in Snowdonia in North Wales. It has an elevation of above sea level, which makes it both the highest mountain in Wales and the highest in the British Isles south of the Scottish Highlands. Snowdon i ...
.
Specifications (Pennine)
See also
References
Notes
Bibliography
* Gunston, Bill. ''World Encyclopedia of Aero Engines''. Cambridge, England. Patrick Stephens Limited, 1989.
* Rubbra, A.A. ''Rolls-Royce Piston Aero Engines - a designer remembers: Historical Series no 16'' :Rolls-Royce Heritage Trust, 1990.
{{RRaeroengines
Pennine
1940s aircraft piston engines
Sleeve valve engines
X engines