Sven Yrvind · video

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Sven Yrvind constructs the base for a dual-keel system by laminating plywood layers to match a specific 20-degree outward cant.▶ 0:16 To achieve the required curvature, he employs a trial-and-error method, removing one centimeter of material at a time and tracing the profile repeatedly until the fit is precise.▶ 1:39 He uses a contour gauge acquired in 1971 to transfer the complex curves onto the wood.▶ 2:18 The base assembly measures 20 centimeters in width, designed to be cut into two separate keel foundations once the glue cures.▶ 2:52 Because he lacks clamps of sufficient length for the wide assembly, he secures the glued layers using wooden wedges to apply pressure across the joint.▶ 3:14 The process requires fitting multiple pieces tightly across three layers on both sides of the structure.▶ 2:27 Dividing complex construction problems into smaller, manageable tasks ensures structural accuracy when working with curved surfaces.

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