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ENGINE REVIEW: NEW GAS-POWERED 4-STROKE

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PHOTOS BY BRUCE WARTLIEB RC Showcase's spellbinding RCS 45VT engine Nicely machined, the crankcase is designed for model airplane use. Note the large main crank-support bearing. The piston has a single compression ring and a relatively short skirt. Note the large amount of material removed to save weight. The crankshaft has a brass counterweight plate screwed onto it. The ignition-timing magnet is in the crankpin. There's something magical about 4-stroke model-airplane engines. Maybe it's the...

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