>>1106709Ait, fair enough. I thought the issue was also with the chain and cogs, rather than just indexing. I'll see if I can pick something used up for cheapo, might be worth it if I get the hanger straightened at a shop.
Re: slanted parallelogram design - the Nuovo Record which is mounted right now looks awfully similar to the one you posted. Are they both slanted parallelograms?