Rolls-Royce Pennine (Paperback)

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. 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 The project was terminated in 1945, being superseded by the jet engine.Type: 24-cylinder supercharged liquid-cooled 90 degree X layout aircraft piston engine, Bore: 5.4 in (137.1 mm), Stroke: 5.0 in (127 mm), Displacement: 2,791 in (45.73 L)