Sven Yrvindvideo
4 July 2025 Cykel Bris
3 July 2025 · 7 min · 2K views
What this video covers
Sven Yrvind details the construction and design philosophy of his small, cold-molded boat, Cykel Bris. The vessel features a tiller with a multi-point pulley system for steering leverage and utilizes epoxy-filled construction with three layers of Western red cedar.Watch To maintain interior space for sleeping, Yrvind opted for a centerboard configuration positioned forward of the mast and aft, rather than a central keel, to avoid bisecting the cabin.3:50 The design prioritizes portability, allowing the boat to be towed by a bicycle.5:03 Yrvind constructed the hull with small compartments in the bow and stern for buoyancy and storage.6:39 While the boat performed well during trials in Juteborg and Stockholm, Yrvind notes that an open-boat design remains unsuitable for his intended high-latitude voyages toward New Zealand.6:08 He emphasizes the importance of calculating lateral area using the rudder and centerboards to balance the center of effort, similar to sail plan design.4:09
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