Marble Run

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Forum topic by 67flh posted 01-02-2016 04:19 PM 664 views 0 times favorited 1 reply Add to Favorites Watch
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88 posts in 1479 days

01-02-2016 04:19 PM

For the most part I can figure out how to make this, but I am having a hard time figuring out the marble release mechanism. I cannot find plans for this thing anywhere. Any help would be appreciated, Thanks!!

-- Brad

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944 posts in 1639 days

#1 posted 01-02-2016 06:41 PM

I’m guessing that the part we see is some kind of see-saw that teeters with the added weight of a marble. I would also guess that the horseshoe-looking piece has a tab of some kind that blocks the marbles until it teeters to the “up” position, allowing a marble to roll under the tab )I think I can almost see a tab there.)

I’ve built a few marble runs, and for me there is always a lot of trial-and-error to get the mechanisms to work right. Good luck and have fun.

-- Jerry, making sawdust professionally since 1976

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