The Gold Fields Gliding Club winch sounds like a similar design. It's
a nice little flight in the cirrus from Parys to Hennenman and there
is always a braai and a social on a Saturday night. I would suggest
you fly down on a Saturday, inspect our winch and discuss your issues
with Klaas Goudriaan (who has also just built a winch for Potch
Gliding Club), spend the evening sleeping either at the club or with
one of the members and then fly back on Sunday.

Cheers
Clinton
LAK 12