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Day 44: compound gears = slower?

TurboSnail

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Following on from yesterday, I've assembled the mount and motor unit, with the new compound gear. The previous version had a 3:1 gear ratio, multiplied by whatever the original Hornby gear ratio is. The revised version is 4.6:1, so it should make a noticable difference. This motor also has a rear shaft for a flywheel! Now I need to find a loco to put it in...

 

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TurboSnail
12 hours ago, Fen End Pit said:

Which resin are you using and how brittle is it?

David

 

Just the standard Anycubic one. It's very brittle as I leave these gears outside on a sunny day for much longer than I do with most models. I've found this makes them very hard, and reduces the friction factor of the surface so that everything runs a bit more smoothly. So while brittle, you do need to give them some abuse before they'll break.

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