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Unread 21-10-2015, 19:38
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GeeTwo GeeTwo is offline
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AKA: Gus Michel II
FRC #3946 (Tiger Robotics)
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Re: How to build good bumpers

Quote:
Originally Posted by marshall View Post
These things:

http://www.mcmaster.com/#standard-qu...e-pins/=zg9mm4

They are SOOO worth the investment. I really hope any new bumper rules allow us to continue using them.
How do you use these to attach bumpers? Do you orient them vertically (which is basically like what I suggested but with a pin rather than a bolt), horizontally parallel to the bumper, or horizontally through/into the wood of the bumper? Do you use the receptacles, retaining caps, or just holes in your chassis to catch the sear balls?

Quote:
Originally Posted by MrRoboSteve View Post
I'd rip 5" x 96" lengths of plywood in our shop, as it's much easier on the big table saw than at a competition.
Unfortunately, those would constitute manufactured parts, at least the past few years. It would be lovely to be able to bring a nice supply of these and (similarly manufactured) 15.5" wide strips of red and blue cloth to provide for teams whose bumpers are not up to spec (or nonexistent). Cutting a 1x6" down to 5" in a pit sounds a lot more feasible than cutting a 5" strip from a sheet of plywood.
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Last edited by GeeTwo : 21-10-2015 at 20:05.