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Boating and Cruising Forum


jweller001 says on 2011-01-19 19:44:18 Ports by Boat Member Photo
Testing an Anchor - An anchor must be set properly if it is to yield its full holding power. The best techniques for setting an anchor will vary from type to type; only general guidelines can be given here. There are several ways to make a positive check to ensure the anchor is holding, and not dragging.

* If the anchor rode is jerking, or vibrating, the anchor is most likely not holding.

* Monitor bearings taken on at least two landmarks (if available) that are a minimum of 45? apart, or use radar ranges and bearings. Small changes usually mean that the wind, tide, or current has caused the boat to swing around the anchor. If the compass heading is constant, but the bearings change, the anchor is dragging.

* Some electronic navigation units (GPS/DGPS) have anchoring features that will warn if the vessel has drifted out of its swing circle. These can be used, but should not replace visual and radar methods.

After the anchor has gotten a good bite and the proper scope has been paid out, the line should be made fast to the connection fitting (bitt, cleat, etc.). A check should be made to ensure the vessel is not dragging anchor before shutting off the motor.
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