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Exploring Sailboat Wreck Site, after Suspicious Grounding.
November 23, 2025 · 10 min · 6K views · Tagus river, Portugal
What this video covers
A carbon fiber sailboat grounded and broke apart on the Tagus River near Lisbon, Portugal, and the wreck site still holds scattered debris after an incomplete cleanup.▶ 0:45 The boat's keel snagged in the sand and the hull detached from it entirely — a failure mode the presenter walks through while examining the remains.▶ 2:58 Debris includes hull panels constructed from two sheets of carbon fiber laminate sandwiching foam core, a teak-decked hatch section with the deck still attached, electrical components including an anti-siphon valve and an Alpha Pro from Master Vault, and what appears to be a sail cover or lazy bag.▶ 6:51 The carbon fiber delaminated and splintered throughout.▶ 3:35 The presenter, who sails a refitted 1980s ketch and is skeptical of modern carbon construction, uses the wreck as a counterpoint to arguments that carbon fiber boats are inherently stronger than older heavy-displacement designs.▶ 1:59 Unconfirmed accounts suggest the crew refused both rescue and a tow before the boat was lost.▶ 6:10 The presenter does not speculate on fault but notes that carbon fiber and foam sandwich construction offers little margin once the hull contacts a hard object.
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