The winch design seemed to work well and the travel end points can be adjusted in the transmitter. The total travel distance is just over 450mm. A second winch was made and it was checked that it is possible to remove the winch assembly through the main hatchway, although it is necessary to remove the mast as well.
This is the mainsail winch in place for testing. The mainsheet will come through the deck via a brass sleeve and up to the boom, where it will run out to the transom. The 450mm travel on the winch should just give enough movement for the boom to travel out.
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