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Transmission options for a TRX4-based Northwest Scaler Designs Scattergun are basically "use the TRX4 gearbox with one of several skids". So I looked at printing a skid that would house an aftermarket gearbox, but instead went totally off track and designed a gearbox integrated into a skid from scratch.
Talking to Corwin from NWSD he suggested adding overdrive in the box, so I did, 20%. Paired with my TRX4 underdrive and overdrive option it gave me a ridiculous amount of overdrive.
It has been out and tested since this video was recorded and performed flawlessly. However due to links and the 3d printed wheels breaking it's not has as much time on it as I wanted.
I'm looking forward to hopefully putting this on Shapeways (requires bolts, bearings and a spacer) or offering a few select people ones that I have printed and built myself.
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