Module 3Anchorwork

Anchor Types

Different anchor designs work better in different seabed types. The CQR (plough) anchor performs well in sand and mud and sets reliably. The Bruce (claw) anchor is good all-round and self-rights easily. The Danforth (fluke) anchor has excellent holding in sand and mud but can struggle in weed or rock.

Modern anchors like the Rocna and Mantus have improved on older designs with faster setting and higher holding power per kilogramme. Whatever anchor you use, it must be heavy enough for the size of boat and conditions.

Key Points

  • CQR (plough) — reliable in sand and mud, widely used
  • Bruce (claw) — good all-round, self-rights easily
  • Danforth (fluke) — excellent holding in sand/mud, poor in weed/rock
  • Modern designs (Rocna, Mantus) — fast setting, high holding power
  • Anchor must be appropriate size and weight for the vessel

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