Airless Tire
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An simple airless tire with a 3d printed core surrounded by coiled wire.
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Model information
- Source
- Printables
- Category
- RC & Robotics
- License
- Creative Commons — Attribution
These wheels use an airless tire design. The central 3d-printed core is surrounded by a helical coil of cable. I have successfully used these on a mars rover inspired robot, and they deal reasonably well with rocks, sticks, and loose dirt.
The center has a 16mm square of 3mm holes, for use with a motor hub.
The model source is a python script, which uses SolidPython to generate OpenSCAD code for the 3d model.
More information can be found at https://github.com/gwfellows/rover
Make sure to print with 4 or 5 solid layers and perimeters, as well as >30% infill, to ensure the wheels are strong enough.