An Ambitious 500-c.c. Engine

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We understand that R. W. Foster Pegg completed recently an ambitious 500-c.c. racing-car engine, conceived, incidentally, before the 500 Club’s unblown formula was announced. This engine is likely to be tested on a homemade dynamotor in the near future and, if it survives, may be put into a car. The engine is a water-cooled four-stroke, 4-cylinder of 2.165 ins. by 2.064 ins., with two crankshafts, two superchargers, and the valves operated by o.h. camshafts. Block, heads, crankshafts, etc., are of Mr. Pegg’s own design, but some 1936 Ariel “Square Four” parts are incorporated. 55 b.h.p. at 8,000 r.p.m. at 18 lb./sq. in. boost is hoped for.