2 Stroke Engine (Atom Minor Mk3)

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3D Model

Change one Westbury’s single cylinder 2-stroke engine, the Atom Minor Mk 3, the final evolution model, this one was released in 1947 to conform with 6.0cc competition limits. The original model with its rotary induction valve could swing a Ø30 centimeters x 15 centimeters pitch propeller at 6,500 rpm in standard trim. This would have provided 40.2kph performance in a 61 centimeters hydroplane or 88.5kph from a 43 centimeters, the design however was conceived primarily for model aircraft applications where it can be mounted upright.