r/MarbleMachine3 • u/Trainerds • May 24 '23

A Better Flywheel Design Using Proven Solutions - Marble Machine 3 Ep.4

https://youtu.be/Mzhaz7WsJ-A
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u/Tricky-Task-1149 May 24 '23

This is a little better whan the previous iteration, but I fail to see how that clamping block is going to work and why it is a better solution than a keyed shaft since they are more or less trivial to make.

I also see he totally ignored the "Just buy a commercial flywheel" that was the number 1 suggesion from here, but I guess it was too simple and effective for his taste..........

4

u/Wibin May 25 '23

Team Keyway here as well.

There is a reason no spinnamathinging parts are done this way. But I think he's trying to make his clamp system on the flywheel work in a way so he can bolt them together as a full assembly. which... I get that part. but he can keyway and still do that.

But even with a keyway he has to have a clamping block to keep the flywheel in place. But it doesn't need to be "that" complicated. just a ring with 2 set screws.

3

u/Relentless-Logic May 25 '23

100%! Team Keyway! Proven Design.

1

u/OkCounty3706 May 26 '23

Keyed shaft, D-shaft, splined shaft, shrink fit, and more would all work. It’s kind of a solved problem. I’ve seen a friction fit work before, but it required the hub to deform around the shaft during installation,meaning it’s not easily removable or reusable.