Hand-Cranked wood model of a worm gear driving a spur gear

Hand-Cranked wood model of a worm gear driving a spur gear

Dale
A wooden model illustrating how a worm gear works. The larger spur gear has 32 teeth, so the gear reduction ratio is 32:1. See my woodworking web site for more details on how I designed and built this model. https://dalemaley.webs.com/updated-worm-gear-model
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