Nice!
Would be cool if you’re able to share your progress in the Build category, either as you go or when you’ve got it working 
As some extra context:
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I believe @tony-white has been looking into reviving an old BR winch project lately, but that one involves some state tracking so requires some extra integration to work nicely
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There’s also been some discussion in the ArduPilot forum (late last year) about enabling the official ArduPilot winch functionality for ArduRover vehicles, which is another potential pathway, especially for more advanced control
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This thread covers some discussion around displaying the current winch state, where that’s a relevant thing to do
I’m keen to see winches become a well-established (and documented) peripheral for boats, since there are lots of potential applications