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This model illustrates an interesting planetary drive variation that produces a very low gear ratio.
Click the video link to see it in action:
The video shows how it works and includes some construction tips.
You'll probably want to make the Tube cutting tool as well:
I 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 necessary
High Reduction Ratio Planetary Drive by mkeveney is licensed under the Creative Commons - Attribution license.
So what's this mean?
We're sure mkeveney would love to see what you've printed - take a photo and share it on Thingiverse as a Make.
To post a Make simply visit this Thing again and click I Made One to start uploading your photo. You can also download the Thingiverse Mobile app (available via Google Play and Apple App Store) to take a photo and upload your Make right from the app!