I have another project underway (which has to do with the hit and miss engine I recently finished) and I needed a small, powerfull gear reducer that wouldn't back feed torque thru the input shaft. A worm gear reducer was my first choice, because a worm gear drive with a ratio of greater than 40:1 won't back feed. I happened to be "browsing" in Princess Auto, and found brand new wiper motor assemblies for $9 and change. I bought one for my new toy.

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