The following are some terms related to anchors and anchoring:
The anchors, anchor cables, and cable fittings plus the shackles used in anchoring a boat
The vessel is attached to the anchor by the rode which is made of chain, rope, cable, or a combination of these.
The ratio of the length of rode to the water depth
Up and down
An anchor chain is said to be up and down when the boat is directly above the anchor and the chain is no longer lying on the bottom.
To weigh anchor
To take on the weight of the anchor on the boat, in other words to lift the anchor from the sea floor. Similar to Anchors Aweight (not anchors away!)
An anchor is broken off the bottom
When it is lifted off the bottom, Also “broken out”
To drop and position an anchor so that it holds
Changing the NIP of the anchor line
To prevent wear at the same place the anchor line is occasionally let out or taken in so that chafe is not always on the same spot on the rode.
Tripping an Anchor
Sometimes a line is attached to the opposite end of the anchor. This line is used to pull the anchor out if it is caught or fouled.
The force exerted on an anchor by the boat pulling horizontally.
The force exerted on the bow of a boat by the anchor rode.
A pipe or moulding in a boats side where the anchor rode fits through the hull.
1. Quick to set, and to reset when the wind/current shifts.
2. Good holding in all bottom types: sand, mud, rocks, coral, and grass.
3. Strong—able to handle high loads on any part of its structure.
4. Good holding power, even at short scope.
5. Easy to release from the bottom without damage.
6. Compact to store on deck or in a locker.
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