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Anchors - Chain - Fenders

SEE BELOW FOR ANCHORING HINTS AND TIPS
Grapnal anchor
Pick up bouy
Wind lass Genius




Sub-Categories



The basic rules of a good anchoring system

  1. The selection of the anchor is critical, as it is obviously playing a major part in your anchoring system. Don't skimp on such on essential safety gear: use the products of an experienced manufacturer for your peace of mind.

  2. Do not overlook the importance of every element in your anchoring system: it is only by selecting top quality gear and assembling them correctly that one gets reliable anchoring. - The chain diameter must be generous (see table), and its length at least 5 times the boat's length. -The rope rode: opt for polyamide/nylon, which provides good abrasion and tension resistance, and has a good stretching capacity (18 to 25 %) to absorb the surges that waves impart on the anchor.

  3. Have 2 anchoring systems minimum : the primary anchor at the bow, as the "working anchor" ; the second anchor in an easy-to-reach locker, serving as the "storm anchor". In any event, all anchoring systems must be ready to use at all times ( they should, if possible, feature a different type of anchor) for example, a plough anchor at the bow and a flat anchor at the stern). A third anchoring system is also worth considering, for short anchorage, such as "lunch-hooks," or as an extra security. In this particular case, an aluminium anchor with a weighted rope is ideal, due to its good holding power and easy handling.

  4. The scope (length of anchor line) should be determined according to the water depth below your keel and the wind conditions -
    • less 10m : 3 times the water depth, up to Force 3;
    • 5 times the water depth, up to Force 6;
    • 7 times the water depth, up to Force 9.
    • - More than 10 m : no more than 5 times the water depth.

  5. Beyond Force 9, you should set 2 anchors, either each on its own line (allowing a 60° to 90° angle or both anchors on the same line with a 2 to 5 m chain interval. In both cases, you should provide a generous scope. It is advisable to marke the chain and rope with a marking system, this could be a simple as colour coding or cable ties.





Boat Minimum
Shackle Chain Nylon rope
Displacement Weight of Anchor
Size Diameter Size
kg kg lbs mm mm mm
Dinghy/tender/Optimist
2 4.4 8 6 6
Small Catamaran up to 4 m 300 3.5 7.7 8 6 6-8
Towable sail/power boat
up to 5.50 m 800 6 13 8 6 10
6,50 m 1000 8 17 8 6-7 10
7.50 m 2000 10 22 10 8 14
10.50 m 4500 14 31 10 8 14
12.50 m 8000 16 35 12 10 18
16 m 12000 20 44 12 10 18
18 m 16000 24 50 16 12 22
20 m 20000 34 75 16 14 24
25 m 30000 40 88 16 14 24
+ 25 m 30000 60 140 18 16 28

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