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Re: Bumper bracket and weight considerations
Last year, we used eyebolts attached to the back of our bumpers that laid flat on our square tubing frame onto permanently-mounted bolts sticking up from the frame, with wing nuts over top of the eyebolts to hold them solid. They were simple, held the bumpers very well, and were easy to remove. Even with our full-circumference bumpers, we've never had a bumper weight issue.
Personally, I like using the bumpers, not only for protecting robots, but it also adds an additional 13-15 lbs. of free weight down low to help lower the CG of a tall robot.
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In the continuing battle between innovative engineering and the laws of physics...physics always wins.
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