The Delrin assembly on the left is a fixture that holds the spool ends square on the shaft while Loctite 609 adhesive sets up. The ends fit a bit loose (0.001-0.002) on the shaft because there has to be some room for the adhesive. That is loose enough that a spool end can go on crooked. I made this fixture to (hopefully) avoid having to re-do any of the bonds.
Frames and end plates have been anodized.
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