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Types of Marine Anchors
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Delta/Wing Anchor
Similar to the plow anchor but with a fixed shank, the delta anchor has a high holding power across different seabeds. It's commonly used on larger boats and is effective in grass, sand, and mud.
Admiralty Pattern Anchor (Fisherman)
Characterized by its large flukes and long shank, the admiralty pattern anchor is good for rocky and seaweed bottoms but has less holding power in sand or mud. It is best used on larger vessels or in strong currents.
Mushroom Anchor
This type of anchor is shaped like a mushroom and buries itself in silt or mud. It is normally used for permanent moorings and is ineffective in most other seabed types.
Grapnel Anchor
Comprised of multiple hooks or tines, grapnel anchors catch on rocky bottoms or debris. They have limited holding power in other types of seabeds and are usually used for small boats or as temporary anchors.
Bruce/Claw Anchor
With its claw-like shape, the Bruce anchor sets easily and holds well in a variety of seabeds, although it may not hold as well in very soft mud. It is a popular choice for its all-around performance.
Fluke Anchor (Danforth)
Lightweight and easy to store, fluke anchors have two large flat flukes that dig into sediment. Ideal for small boats and in sandy, muddy or clay bottoms.
Navy Anchor
Traditional design with flukes that dig into the seabed, the navy anchor is heavy and usually made of cast iron. It's best used in a variety of bottom types but requires manual resetting if it becomes dislodged.
Plow Anchor (CQR - Coastal Quick Release)
Plow-shaped and can swivel at the shank, this anchor digs into the sea floor and maintains a good hold even with wind and tide changes. Suitable for a variety of seabeds.
Screw Anchor
Screw anchors are driven into the seabed by turning. They offer a very high holding power and are used for permanent moorings, especially in soft seabed conditions.
Box Anchor
Box anchors are collapsible and ideal for fishing boats and pontoon boats. They're designed to hold well on hard and soft bottoms, but may not perform as strongly in very coarse materials like heavy weeds.
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