> The most common technique that I've seen is to use selsyns for the
>indicator system. You can still pick them up at flea markets for five bucks
>or so. The trick is getting it to turn 1:1 with the mast. There are a couple
>of ways of coupling them.
I have used 10 speed bicycle chain, sprockets, and chain tighteners with
good success. They are cheap and available everywhere. Have had one set in
use for more than 20 years without a problem. It's still going . . .
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