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Engines-A-Z

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The Reid Model A Gas Engine

The Reid Model A gas engine was one of the very few small engines to make a commercial success of the Clerk cycle. This differs from the common two-stroke cycle in that the scavenge pump leads the power cylinder by only 90 degrees, and therefore must consist of a second cylinder with its own crank throw. In the Reid, the second throw is a pin set in one of the flywheel spokes, and ...

| Nov 1, 1967

Gas Engine Magazine

Preserving the History of Internal Combustion Engines