Quote:
Originally Posted by artdutra04
If you have access to a milling machine, the easiest way to attach to the output hub of the FP KoP gearbox is to mill an octagon-shaped aluminum plug that fits between the plastic flanges. Then just wrap a hose clamp around it, and you're done. You can either broach the aluminum plug for a live axle, or drill a hole pattern into it for dead axle applications (such as if this octagon shaped aluminum plug was bolted directly to your drum).
Here's a photo from the construction of our 2008 robot, which used this octagon aluminum plug. You can click through to the full resolution photo to see it in better detail.

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I would recommend using a couple machine screws that go through the plastic into tapped holes on the octagon aluminum hub. Then wrap a hose clamp to make sure its secure. . The hose clamps slipped on one of our robots.