This clip-on unit was first used to power a standard bicycle and was a 49cc two-stroke that hung over the rear wheel, which it drove by friction roller. It had a flywheel magneto, petroil lubriction and the fuel tank fitted over the crankcase.
In 1956 the company tried to create a moped by adapting the engine to fit under the bottom bracket of a special frame. This idea was a failure.
Sources:
Graces Guide
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