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#1
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Re: pic: Carmen week1 team 842
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#2
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Re: pic: Carmen week1 team 842
angled
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#3
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Re: pic: Carmen week1 team 842
Angled "bumpers" would not pass inspection because technically they are not bumpers at all since they do not lie on the bumper perimeter according to the current set of definitions and both sides of the corner must be protected.
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#4
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Re: pic: Carmen week1 team 842
Ahhh...here's that statement that seemed to me to be missing from the rules.
"2. As indicated in Rule <R08-I>, all exterior corners of the BUMPER PERIMETER must be protected by BUMPERS. Both "sides" of the corner must be protected." from http://forums.usfirst.org/showthread.php?t=11159 |
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#5
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Re: pic: Carmen week1 team 842
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#6
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Re: pic: Carmen week1 team 842
The problem is the bumpers need to be on the bumper perimeter, which is the edge around the robot, and recessed parts of the frame are not the perimeter. So it looks to me like it's not legal. You'd have to put back the straight pieces across the front, but make them each 6" long, and cover them with 6" long bumpers. This will give a pretty small opening in the middle.
What a bummer, how vague the rules are this year on bumpers...they could have just come out and said what they wanted in the first place. |
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#7
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Re: pic: Carmen week1 team 842
..
Last edited by GUI : 12-01-2009 at 00:51. Reason: misread manual |
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#8
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Re: pic: Carmen week1 team 842
I still do not understand why this is not legal.......... If they were to put the bumpers at an angle across those pieces as long as the bumper pieces were at least six inches long, and the corner was not exposed, why isn't this legal?
Last edited by redbarron : 12-01-2009 at 02:38. |
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#9
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Re: pic: Carmen week1 team 842
Quote:
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#10
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Re: pic: Carmen week1 team 842
This is not necessarily true
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#11
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Re: pic: Carmen week1 team 842
What I should say is that bumpers on a concave angled portion of the robot are not bumpers. Robots with angled front edges.
Bumpers like http://www.chiefdelphi.com/media/photos/30834 are legal types since the bumper perimeter is along those edges |
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#12
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Re: pic: Carmen week1 team 842
They are bumpers, but they are not BUMPERS. They don't qualify under the <R08> rules, and would not be exempt from weight/size in <R11>.
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#13
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Re: pic: Carmen week1 team 842
It's important to keep in mind the difference between bumpers and BUMPERS. Some bumpers are not BUMPERS. Bumpers that are angled such that if extended infinitely would pass through the robot chassis are not BUMPERS, because they are not affixed to the BUMPER PERIMETER. As such, nothing attached to the angled pieces on Carmen's front can ever be considered a BUMPER, so even though the corners of the frame could be protected on both sides by pool noodles and fabric, they won't be protected by BUMPERS, and thus run afoul of <R08-I>.
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#14
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Re: pic: Carmen week1 team 842
I wonder if Inspectors would let this design through due to the potential to damage the field.
With the cantilevered front end, if the robot is struck and the front end dips, the metals will be in direct contact with the flooring, potentially gouging it or catching a seam ... Maybe consider placing plastic carpet skids on the under side ... |
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