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Unread 01-03-2010, 21:37
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Re: legality of bolt and screw heads breaking plane of chassis meeting bumpers

Quote:
Originally Posted by Al Skierkiewicz View Post
I know that this is a complicated area of the robot rules. You must look at all the rules and the bumpers must satisfy all the paragraphs in R07. Fasteners and bolt heads inside the bumper zone are permitted to extend beyond the FRAME PERIMETER and in R07, par D, holes and pockets are allowed to be made in the backs of the bumpers to facilitate secure mounting of the bumper system. In no configuration may any part of the robot exceed the maximum dimensions of R10 whether that be inside or outside the bumper zone. As pointed out above those fasteners in the BUMPER ZONE that project outside the FRAME PERIMETER are permitted. Similar fasteners projecting the same amount beyond the FRAME PERIMETER but outside the BUMPER ZONE are not permitted.
Al, the rules allow you to pocket the bumper to allow for bolts, etc sticking out of the frame perimeter, but is it REQUIRED or just allowed? I thought that by being excluded from the frame perimeter, bolts, tie straps, etc can stick slightly out of the perimeter and the bumper sit flush (with the exception of the fasteners) without being pocketed.

For our case, we just have tie straps wraping around the frame in the bumper zone. Will we be required to have 10 vertical and horizontal notches on our bumper to allocate for these tie straps to allow the bumper to be perfectly flush? Or is it okay to just slap the bumper on the tie straps? The tie straps being used are small (similar to the vex ones).