After JCC pointing out a fundamental flaw in my design I opted to go the wire route to center and stabilize the spinning cover. I did a dry run with the wire tabs taped to the cover to find the appropriate placement. As it turns out if the metal just peeks around the edge of the disc, from directly above, then the cover is pretty near perfectly centered. I bent the tabs inward a touch and if all goes well during the curing of the thickened epoxy the cover should literally snap onto the wheel.
The cover with all attachments,minus 5 zip ties and a 1.25” plastic snap in panel plug, weighs 455 grams.
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