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Unread 18-03-2014, 12:43
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FRC #2177 (The Robettes)
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Re: Al's Annual Inspection Thread

Quote:
Originally Posted by wireties View Post
We just finished the Dallas Regional and the robot on robot contact was pretty rough. We are thinking of adding some strength in the bumpers. Can the CD community help us understand on the limits and intentions of R21? We know we need to query the GDC but I'm not sure how to phrase the query (yet).

So the angle to hold the cloth must be aluminum, correct? No steel? But we could use 7071 or 7075?

Can we interconnect the top and bottom angle pieces? We know many top tier teams do this. But is it contrary to the rules? I'm thinking a solid 5"x1"x<length> u-channel is problematic for an inspector. But perhaps if there are just some small finite number of inter-connections between the top and bottom angle that might be OK. So my last query is how much structure can there be between the top and bottom angles before it causes inspection problems.

TIA
Per the rules, "structure" between the top and bottom angle isn't allowed. HOWEVER, you can do pretty much whatever you want in terms of mounting (within all other applicable rules). If your bumper mount included a 5"x1" U channel that covered the entire back of the bumper, I don't think I would have a problem with it, provided it met all the other rules (specifically weight, 1" limit on hard parts and backing requirements come to mind).
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