Quote:
Originally Posted by Hawiian Cadder
these images show the bearing blocks that fit inside the pockets. they allow for the bearings force to be dissipated over a larger area of the tube, making it less likely to bend. the bearing hole is a-centric by 1/16 of an inch in bot the x and y directions, this allows for chain tensioning as well as the raising of the outer wheels in a tank drive by 1/8 of an inch. with this setup and a few half links, #25 chain can be kept tight without any sliding hardware.
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If you are serious about this, make these bearing blocks asymmetrical or add an obvious feature on which way the center hole is 1/16" offset, otherwise that's just begging to be installed/assembled incorrectly.