The initially inserted sketch has now been amended to the one shown above, following adsvice from GLJ regarding the 700/760 dims. So all should hopefully be good now. All thanks to you GLJ.
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Shift shaft chain guard
- Thread starter GLJ
- Start date
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- chain guard shift shaft
Damn, beat me to it! I have solid models and made a drawing off them too.
Yes, me too. I've also done a 3D model, though the 2D dwg was just a quick knock up.
Manny, which drawing is the corrected one in your post?
I'll remove the wrong one to avoid confusion
I love that people on this site are happy to share parts and intellectual property freely!
I might try to 3D print one of these out of PLA this weekend. If I'm not too busy playing with my new welder.
Upon further review, I will "tweak" the small piece so that instead of the .700 diameter being turned down, it will be 1" diameter the whole length, but with a step milled out .050" from the end, so that it is D-shaped when looking at that end. That way the flat rests against the wiring and prevents any potential
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Pretty sure that's not allowed. Even an admin can't do that. Best thing to do is quote in a new comment and delete the non-quoted one.
That's gonna leave just 12.5 thou of tube wall. Hmmm...
Out of interest, the overall length of both parts, being 2.800, is this the exact dimension from the C clip to the back face of the engine cover?
I have the GLJ version and it works perfectly. Not sure about any reverse-engineered parts?
Will be interesting to see how well the printed parts are able to resist wear.
Delrin wasn't a random choice.
https://xometry.pro/en/topic/the-closest-material-to-delrin-for-3d-printing/
No, the tube wall would be the same. It'll be as if someone milled a flat just on one side instead of turning it.
Oh I can guarantee a PLA version would fall apart before I'd make it around the block. It's very easy to sand and file smooth.
Looks like Nylon PA12 filament is the closest match to delrin... per Gary's link anyway. Looked it up... it's affordable. On the high side, but about $50 for a Kg spool.
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My 3D printed thing would be:
1.) an excuse to make something
2.) a prototype modification just to test my D-shape theory
I could in theory make my own at work, but honestly I'd feel like I'm stealing someone's design and potential profit even though he put all the info out here. Just seems wrong. To me, anyways.
1.) an excuse to make something
2.) a prototype modification just to test my D-shape theory
I could in theory make my own at work, but honestly I'd feel like I'm stealing someone's design and potential profit even though he put all the info out here. Just seems wrong. To me, anyways.
Maybe Greg just lets everyone else make them and collects royalties…
