Igor Stropnikvidéo
How to Anchor the Boat
6 octobre 2023 · 1h 5m · 27K vues
Ce que couvre cette vidéo
Insufficient chain causes anchor drag when gusts lift the catenary off the bottom — the chain must stay on the seabed all the way to the anchor, with only the final section rising to the bow.0:30
Underwater footage from multiple anchorages shows anchors in varying states of set across sand, mud, hard rock, and seagrass. Sand provides moderate holding: an anchor digs in and resists normal winds but can drag slowly in a hurricane because sand lacks the suction of mud.7:12 Hard ground with a thin sand layer limits penetration to a few centimeters; an anchor may hook a rock edge and hold well in one direction but fail if the wind shifts.4:11 Seagrass gives poor holding and should be avoided.4:00 Backing down hard under engine after dropping is essential to fully set the anchor; without it, the anchor sits half-set.10:40 A 3.5-meter depth with 22 meters of chain and a 5-meter depth with 17 meters (roughly 3:1 scope) are shown as day-anchorage examples, with the caveat that strong winds demand more chain.8:10 Danforth-type anchors perform well in sand and mud but poorly on rock.17:09 Local fishermen use flat triangular Enox anchors on rope alone, no chain, relying on the anchor bending free if snagged.15:30
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