Sumps, sheets and preventers.

Name: Sumps, sheets and preventers.
Uploaded: 2026-01-16T23:00:08.000Z
Duration: 3 min 54 s
Description: Sven Yrvind installs drainage sumps and reinforced sheet attachment points on his custom Southern Ocean sailboat.

January 16, 2026 · 3 min · 2K views

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What this video covers

Sven Yrvind is constructing a small, shallow-draft boat designed for a 14,000-mile nonstop circumnavigation through the Southern Ocean.▶ 0:19 The build focuses on installing water-collecting booms beneath the sails to manage drainage.▶ 0:35 Yrvind installs anchor points for downhauls, securing them with adhesive to the hull structure.▶ 0:41 He drills drainage holes into three custom-built sumps, which will house hoses to channel water away from the deck.▶ 0:59 The design accounts for an 11-degree heel angle to ensure effective drainage toward the sump outlets.▶ 1:44 Additionally, Yrvind installs reinforced attachment points for sheets and preventers.▶ 2:34 He selects 9mm rope for these lines, citing its high strength-to-weight ratio and low cost as ideal for the vessel's small scale.▶ 3:22 The installation process involves drilling precise holes for the hose fittings and allowing the adhesive to cure overnight to ensure a watertight seal.