This list of pages of articles and information for model aircraft engines and motors are updated on a regular basis as I scan and post from vintage modeling magazines and generate new material of my own. Although the terms 'engine' and 'motor' are used interchangeably these days, the term 'motor' for most of the 20th century referred to an electric-powered source of mechanical motivation. An 'engine' referred to an internal combustion source of mechanical motivation. This article from the MIT website provides an even deeper insight on the difference between a motor and an engine.
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