Sven Yrvind · video

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Sven Yrvind constructs custom booms for a rain-catching system on his small, shallow-draft boat intended for a 14,000-mile Southern Ocean circumnavigation.▶ 0:07 To reduce weight compared to previous carbon fiber and unicel prototypes, he fabricates the new booms using 9 mm Gabun plywood.▶ 1:11 He laminates four layers of 10x10 cm blocks, using a lathe to apply consistent pressure during the epoxy curing process.▶ 3:00 The design incorporates custom bushings to ensure proper fit and movement, with holes drilled to accommodate expansion when the wood becomes wet.▶ 6:22 Yrvind splits the wooden profiles to create a slot for the sail, inserting 3 mm spacers to compensate for the material removed during the cutting process.▶ 8:46 He increases the dimensions of the plywood box structure to 10 cm in width and height to improve overall rigidity.▶ 9:42 The project emphasizes iterative design, utilizing mock-ups to refine the engineering before final assembly.

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