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Multi-fuel Engines Demonstrated
Page 79
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A DEMONSTRATION of the progress ritwhich has been made in this country in the development of multi-fuel engines took place on Tuesday at the Fighting Vehicles Research and Development Establishment, Chobham.
Representatives from Commonwealth countries, N.A.T.O., British industry and the Services heard a number of papers and saw both a static exhibition of engines and components, and a show of vehicles with multi-fuel engines running on a variety of fuels.
Three new engines, intended from the outset as multi-fuel units, have been developed by Leyland Motors, Ltd., Coventry Climax, Ltd., and Rolls-Royce, Ltd. Both the Leyland and Coventry Climax designs are vertical supercharged two-stroke units with opposed pistons.
Rolls-Royce initially experimented with the conversion of their existing fourstroke petrol engine, but this line of development was discontinued. They are now proceeding with the design of new engines, known as the K range, which follow the two-stroke, twin-crankshaft layout.
The Leyland six-cylindered design has a capacity of 19 litres and produces 700 b.h.p. at 2.400 r.p.m., and 1,600 lb.-ft. torque at 1,500 r.p.m. on either diesel fuel or 80-octane petrol. A threecylindered configuration is used for the Coventry Climax 1-litre engine, which has achieved an output of 38 b.h.p. at 3,000 r.p.m., and 63 lb.-ft. torque at 1,790 r.p.m. on both types of fuel. The RollsRoyce engine is not yet complete.
Westlake and Co., Ltd., Rye, and various manufacturers have converted a number of engines to multi-fuel running.