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| Spinner plan, success! |
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| yotsuya:
Nice. I wonder how the connection will hold up over time if you notice a little play now. Keep us posted. |
| dkersten:
Will do.. I figured worst case scenario I could rough up the surface a little and increase the friction. My second attempt left me with a far tighter fit than even the spinner shaft has with the knob, and since it is longer, more surface area to keep that friction up. The "D" shaft is the reason the wheel wobbles a little. It is centered and you can spin the wheel and it will go for 30 or 40 seconds before it stops still, but if I order up some 1/4" full round stainless bar I can easily make some new shafts without the play. I think I can get a 72" length for like $10 on Amazon.. |
| Le Chuck:
Only thing I'd change about the design would be to have the connection key'd, just grind the post flat on one side and then use some no bake metal clay to fill the void in the connection. Just drill a small hole or three for the metal clay to push through so it doesn't go anywhere once dry and you can grind that flush with the dremel on the outside. Then it won't be able to ever spin free from the base post but can still lift right off. |
| dkersten:
Thought about something along those lines. If I could get a hold of a "slice" of round stock, I could just epoxy it in place and use D-shaft.. But I figure if the wheel and knob I already have don't need a key to work, the extension shouldn't.. I will see how it holds up though.. |
| Xiaou2:
Id bet if you spun it with a Really fast acceleration, you could get it to skip some... Especially, going from one direction to next... at max acceleration. Might consider epoxying some Neo magnets on both touching ends. That will give a very strong connection, that probably is fail proof. If one neo isnt strong enough, you could stack a few smaller neos... or get a thicker set of neos. This may also allow you to use a smaller diameter shaft guide. Another thing you could do, is to drop in a small bushing or pipe, to narrow the hole gap. You can add a sliding top plate... a flip up door (magnetic), a push down door set... etc.. to hide the hole... You might even consider using a magnetic screwdriver... and connect to its hex shaped bits... |
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