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I want to build a PLINKO game.
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Chris:
Have you seen the PLINKO plans at http://www.uniqueprojects.com/projects/plinko/plinko.htm ?
Octo:

--- Quote from: Beretta on October 27, 2009, 02:39:14 pm ---im not sure rubber would work.. i think that would actual rob a lot of energy from the quarter, i would use some stiff plastic.. can you buy plastic rods?

i think the plastic pegs would not only give you the "plink" you're looking for but also due to it's springy nature give some bounce to the coin.

--- End quote ---

The rubberizer I was referring to dries to a semi-stiff consistency. I only suggested it so as to keep from marring the edges of the puck/coin/token. You can get plastic rod online from some suppliers, and possibly some hobby shops. Also, if it really will be using quarters, you can buy 8' lengths of 1/4" steel rod from Home Depot on the cheap. Cut it into 1 1/2" pieces and epoxy it in place, should hold fine.
Chris:
Assuming there will be plexi over the unit, remember that the pegs only need to be as tall as the thickness of a quarter.  The plans I posted used small segments of dowel hammered and glued into holes in the plywood base.
RandyT:

No, plastic and rubber coatings aren't what you want here.  Take a note out of the Japanese book of Pachinko (the obvious inspiration for "Plinko").

Look for shiny brass nails called Escutcheon Pins.  I would get the thinnest ones you can reasonably install in your panel, and leave a little extra length so you get some bounce.  Using a glass cover plate and leaving a very small gap between the heads and the plate will also help.  Also remember that you might have to tweak them a little in order to make the quarter actually fall randomly.  If they aren't perfectly straight, it will affect the path the quarter will take.

RandyT
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