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Selecting the Perfect Prop

Perfect Prop
Start your quest for the perfect prop by choosing a propeller within the engine manufacturer’s recommended range. Balance it, bolt it to your engine, and use a tachometer to see how many rpm you get from the engine. I like to set up a simple engine test rig so that I can do this without having to assemble the entire model. Once I find a promising candidate (or two), I bolt the engine to the...

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