- Wheelbarrow Concrete Mixer
- dynamodan on dansworkshop.com
- Homemade concrete mixer adapted from a pickle barrel and mounted to a repurposed wheel bearing. Driven through a wooden planetary gear set consisting of a 7-tooth pinion gear, 22-tooth planet gear, and 51-tooth ring gear. Features a 58:7 gear ratio. Gears and frame were constructed from plywood.
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