Design for Adjustable Motor Chain Depth?

[Gero]

I’ve seen not much on adjustable motor mounts, but am in the same boat modifying my frame and adjustable motor mounts is a must for my frame V2.0.

What ever you do, make sure it is rock solid without any flex.

The UniStrut approach is the best I can remember that I in the forum:

UniStrut Frame designs

Some minor improvements and initial calibration. First, some shots of the perfectly good chain guides, using the included Delrin roller, trimmed ~1/4" to fit 1.5" screws. The screw is kept loose enough for the roller to spin freely. [IMG_2377] [IMG_2376] Note: This position (mounted directly to the motor face) places enough pressure to keep chain on at least 180deg of the sprocket, and keeps the exit chain aligned entering the sprocket. This is important because as you’ll see I have the l…