Sailing NVvideo
Will it ever be the same again? Structural hull repair | S2 Ep 42
January 11, 2025 · 22 min · 16K views · North coast of Borneo
What this video covers
Improper keel support during a haul-out caused a one-centimeter hull compression and delamination on an Open 66.0:10 The damage occurred when the yard failed to follow the seating plan, leaving the keel unsupported in a pit.1:33 To repair the hull, the crew grinds away the anti-fouling primer to expose the Kevlar layer, taking care not to cut the fibers.4:12 They use a square and ruler to map the depth of the depression, then apply a seven-layer carbon fiber reinforcement—alternating between unidirectional and 45-degree cloths—to restore structural rigidity.8:40 The lamination process utilizes a vacuum bag to ensure a tight bond and remove excess resin, a necessary step given the humid, rainy conditions at the yard.9:21 The repair concludes with wet sanding, filling, and priming the affected area and the rudder.5:52 The reinforced section is now stronger than the original hull structure.21:27
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