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Ercf v2 Thumper block bearing mod
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removes the need for an expensive servo.
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Model information
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- Printables
- Category
- Other Ideas
- License
- Creative Commons — Public Domain
v1. This mod for the ercf v2 thumper blocks lets you replace the servo with a pair of 625 bearings.
v2. I used 6 mr95zz bearings (commonly found in idle wheels on a 3d printer) and tiny m2x16mm to make this version. the dual axles balances the force applied to the blocks and allows even stronger springs to be used if required.