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
Places
* River Exe, in England
* Exe Estuary, in England
* Exe Island, in Exeter, England
Transportation and vehicles
* Exe (locomotive), a British locomotive
...
; 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 The project was terminated in 1945, being superseded by the jet engine.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 running between three regions of Northern England: North West England on the west, North East England and Yorkshire and the Humber on the east. Commonl ...
and
Snowdon.
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