In article , GTO69RA4 says...

But lots of of folks tweak the small spindles on those
machines, and replace them with exact duplicates.

Jim

The trick I've seen most done is just making solid spindle for it. Stronger
than the original with the oversized through-hole.

The original AA products machines did not have the hole. That
was added later, along with the back gears and whatnot.

Jim


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