Sven Yrvindvideo
Blue rubrails.
19 February 2026 · 3 min · 3K views
What this video covers
Sven Yrvind is constructing a small, shallow-draft boat designed for high-latitude sailing in the Southern Ocean.▶ 0:05 The build process currently involves applying blue paint to the rubrails and finishing the topsides with white paint to manage heat absorption.▶ 0:27 The hull is inverted to facilitate the application of Coppercoat antifouling.▶ 0:51 Establishing an accurate waterline remains a critical challenge, as the boat’s design features a step positioned very close to the waterline, which complicates calculations regarding displacement and loading capacity for food and supplies.▶ 1:42 To mark the waterline precisely, the boat must be perfectly leveled.▶ 3:02 Yrvind plans to use a laser to project the line while the vessel is supported by lifting points integrated into the keel and a bollard.▶ 2:37 The final determination of the boat's actual floating position and stability will occur only after the vessel is launched.▶ 1:54
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