High Reduction Ratio Planetary Drive

prusaprinters

This model illustrates an interesting planetary drive variation that produces a very low gear ratio.Click the video link to see it in action:  InstructionsThe video shows how it works and includes some construction tips.You'll probably want to make the Tube cutting tool as well:https://www.printables.com/model/192596-tube-cutting-toolI started designing this in metric units, but was only able to find brass tubing in imperial sizes, so I simply used both measurement systems. If you live in a metric part of the world, you should be able to adapt to locally available materials by drilling out the bearing holes as necessaryCategory: Engineering