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Rolls-Royce Pennine

1940s British piston aircraft engine

Field	Value
name	Pennine
image	File:RRPennine.jpg
engine_type	X-24 air-cooled sleeve-valve piston aero-engine
national_origin	United Kingdom
manufacturer	Rolls-Royce Limited
first_run	1945
number_built	1
developed_from	Rolls-Royce Exe

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; 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 The project was terminated in 1945, being superseded by the jet engine.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.{{Cite journal

Rolls-Royce air-cooled engines, intended for commercial transport aeroplane use, were named after British mountains, e.g. The Pennines and Snowdon.

Specifications (Pennine)

| |power/weight=0.96 hp/lb (1.58 kW/kg)

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.

References

Rubbra 1990, p.148.
Gunston 1989, p.142.

Info: Wikipedia Source

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