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Joe G. 05-02-2008 18:29

bumper question
 
Our team got our noodles today to make our first ever set of bumpers, and unfortunatly, the diagram in the manual was misinterpreted to be a top view rather than a side view. So now, we have several dozen 5" segments of pool noodle. Are we allowed to line these up end to end, with everything else in the bumper continuous and according to the manual, or do we have to go and get more pool noodles?

GaryVoshol 05-02-2008 18:33

Re: bumper question
 
Quote:

Originally Posted by rocketperson44 (Post 692771)
Our team got our noodles today to make our first ever set of bumpers, and unfortunatly, the diagram in the manual was misinterpreted to be a top view rather than a side view. So now, we have several dozen 5" segments of pool noodle. Are we allowed to line these up end to end, with everything else in the bumper continuous and according to the manual, or do we have to go and get more pool noodles?

The pool noodles are meant to be single pieces down the length of the bumper. I'd suggest getting new ones, if they're available. Better to have them now than need them on Thursday of competition if you fail inspection.

Vikesrock 05-02-2008 18:43

Re: bumper question
 
According to the text next to the picture on page 10 of Section 8 of the manual (partially cut off).

Quote:

In bumper joints are not desired
Not desired != prohibited, I would go to the Q&A on this if you're opposed to buying new pool noodles. If the new pool noodles are no big deal, then you're probably better off with continuous noodles in each segment.

GaryVoshol 06-02-2008 08:59

Re: bumper question
 
I just noticed this in the manual:
Quote:

Originally Posted by <R08>
STANDARD BUMPERS must use
a stacked pair of 2-1/2 inch “pool
noodles” as the bumper material.

Looks like you'd better get some new noodles.

MrForbes 06-02-2008 09:03

Re: bumper question
 
If that's the most expensive mistake your team has made this build season, you're doing great!

:)

.

Matt C 06-02-2008 09:13

Re: bumper question
 
Crazy Glue?

JesseK 06-02-2008 17:34

Re: bumper question
 
Some sort of glue/epoxy could be in order here. Make the 5" segments one long, continuous piece by gluing them end to end. As long as the gluing is solid and smooth, really there is no functional difference is there?

You might be able to explain the situation and ask for an official Q&A clarification. I wouldn't suggest trying anything until you get an official response.

lancerbotics 06-02-2008 17:51

Re: bumper question
 
In the bumper drawing it shows a piece of aluminum angle holding the fabric on the bumper...our question is do we have to use that or can we simply use a staple gun to attach our fabric to the board for the bumper?

Vikesrock 06-02-2008 20:01

Re: bumper question
 
Quote:

Originally Posted by lancerbotics (Post 693417)
In the bumper drawing it shows a piece of aluminum angle holding the fabric on the bumper...our question is do we have to use that or can we simply use a staple gun to attach our fabric to the board for the bumper?

Staples or glue between the fabric and the plywood are permissible methods of attachment. The angle aluminum is the "recommended" way.

ChrisMcK2186 06-02-2008 20:08

Re: bumper question
 
no functional difference could still be a DQ if the inspectors decide to pop open your bumpers.

That said, we ended up with our smallest sections last year being a joining of the scraps of others, but with the requirement of bumpers this year, I think they want it to be a solid as possible.

Chris McKenzie
2186

DonRotolo 06-02-2008 22:25

Re: bumper question
 
Quote:

Originally Posted by JesseK (Post 693406)
Some sort of glue/epoxy could be in order here.

Don't put anything "hard" like glue or epoxy in the bumper, that might fail inspection.
Quote:

From <R08>: Nothing other than pool noodles and cloth can extend more than 1 inch beyond the ROBOT boundaries.
Epoxy, glue, etc is not pool noodle or cloth.

As far as the 5" sections go... the lesson learned today is...?

Don

dtengineering 07-02-2008 02:01

Re: bumper question
 
Sounds like you have the perfect bumper material for protecting this team's robot:

http://www.chiefdelphi.com/forums/sh...threadid=63337


Jason


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