Jun/Jul 2008

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SUPER MODELS

By Jerry E. Howell

3980 Becket Drive Colorado Springs, Colorado 80906

All three of these engines were 100% built by me. All three of the casting kit suppliers happen to be advertisers in GEM, as am I.

Above is "Hired Man" engine, a 1/3 scale model of a 1 HP engine, built from a Breisch/Peters castings kit. The crankshaft was machined from a solid bar of tool steel and left in the annealed state. All engine bolts, studs and nuts were machined from stainless steel, as were the valves, springs and push rod, on both this model and the one at bottom left. All brass parts were machined from bar stock except the connecting rod and governor weights. A 1/8" bore plunger pump keeps the fuel level at the needle valve height. A tiny micro-switch is used for points and a small transistor ignition circuit (TIM-4, designed by Floyd Carter) triggers the lawn mower magneto co...

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