Quote:
Originally Posted by Dale
I know the rules could change for the 2010 game but I'd be interested in what systems teams have used to facilitate rapid attachment and removal of bumpers.
We've always put threaded inserts inside the bumper and then bolted them onto brackets on the frame. This seems simple enough but given the cramped quarters inside the robot and subtle alignment issues it can be a tedious 30 minute job to take the bumpers on and off for weighing.
There has to be a better way? Care to share pictures or descriptions?
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What our team has done, is to use 3/4" x 3/4" ( 1/8" wall ) square aluminum tubing, for the structure of the chassis, then use 1/16" aluminum U-channel
( which is 3/4" wide and 1/2" deep ) to fit onto the tubing. 2 small pieces, about 2" long are placed on the bumper board, inside, so that it is locked into place vertically, and then 2 pieces are placed to lock into the vertical structural components, to keep the bumper from moving forward and backward. We then simply drill 4 clearance holes for the nylon bolts, washers, and wingnuts ( # 10-32 ) that will hold them in place. Our bumper weight, last season was around 10 pounds, easily within specs.