you need them on both sides - I only saw one to starboard side ? might be I missed the other one.
I don't listen, only watch the video - your sail, as in the video is not likely to hold up to very strong winds
I second the notion of adding a canoe cover - as you get spray or rain in the boat, it will start to slosh around, and wiht the added momentum of a few gallons of water, it will tend to capsize you as it sloshes
I'd add a line from up near the top of the mast to mast step -- something you could pull on for leverage if the boat does capsize
p.s. have sailed a lot in 15' Grumman with the factory sail kit - but with the 75 s.f. sail not the 45 recommended for a 15 footer - the pressure on the sail is tremendous, hence my comment about your sail not holding up to a strong wind. We had a real rudder, and leeboards both sides, but no sponsons - having tipped that boat over a good many times, I don't think sponsons will prevent a capsize in heavy wind and waves, but that's just a guess/opinion
Recreational Kayak Paddle
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