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ENGINE CLINIC

PHOTOS BY CLARENCE LEE 4-STROKE HISTORY Above: This is one of the first 4-stroke engines to be used in the modeling world. It is a 1938 Feeney and actually uses a spark plug for ignition purposes. Above: The first glow-ignition 4-stroke was the Kalt FC-1 designed by Hiroyuki Oki. Its displacement was .45ci. This view clearly shows the Kalt's exposed rocker arms, the short exhaust stack and the forward angle of the glow plug. IT...

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