How to build good bumpers

[GeeTwo]

Originally Posted by GeeTwo

Another trick used to get the bumpers tight is to compress them before stapling. Some teams report using a custom device they made, but we just used our three large (10"?) c-clamps and a table top, and do one edge at a time.

Originally Posted by Q302

Q.R21 C states that teams should use a pair of 2.5" pool noodles. Does that requirement refer to the pool noodle's size when on the robot, the pool noodles size when purchased, or both? Is compressing pool noodles legal?
A.1) Both. 2) No.

I was not referring to compressing the noodles so much that they would be undersized when the clamps were released, just enough to simplify installation by not having to pull the cloth tight while stapling (1/8" to 1/4"). After the clamps are removed, there is no way to tell that they had been compressed.

Originally Posted by jwfoss

In my mind the reversible bumpers and bumper covers teams have produced in the past never looks as "polished" as separate well made bumper sets. The key to good looking bumpers? Pick quality materials (plywood, noodles, and fabric) and take your time.

I agree; we did reversible bumpers one year (2013?), and we never did get rid of the last bits of Velcro showing and several matches (especially when we were strongly defended) a corner or two pulled loose. The tensioning trick can also be used for reversible bumpers; just be sure not to staple the loose end down!