A small handheld motor with an aluminum cup attached to the output shaft, into which a rubber cup or a long, hexagonal metal shaft may be installed. This is used for turning over an internal combustion engine and starting it. Can be used for gasoline engines, but the more commonly have pull starters. Mainly used for nitro engines. To use with most modern helicopters, a long hexagonal shaft attachment is used and is slipped into a matching hole in the end of the motor's crankshaft. A glow starter is attached to the glow plug and the starter is triggered, spinning the crankshaft and (hopefully) starting the engine.
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