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How to Choose Your Anchor

so how you choose the right anchor?

Choosing the right anchor for your boat is not a complicated task, however, you need to know a few things before deciding what anchor is the best for you and for your boat.

Here are the most important ones:

1. in what kind of boat the anchor will be used, motor or sailing boat? usually, sailing vessels require more holding power than motor vessels.

2. what is the size and weight of the boat that the anchor will be used?

3. in what conditions are you sailing, calm/ stormy/ all year cruising?

4. are you sailing along/ with someone who has difficulties in handling heavy weights/ professional crew?

In the charts below, you will find answers to the first 3 questions above but the fourth one needs to be figured out by yourself.

When you need to decide what anchor to use we always suggest to choose the higher option and that is because of the holding power, but then comes question number 4 above, bigger is also heavier, although our anchors are not heavy as the old fashion anchors you have to evaluate the capability of the one that will usually handle the anchor with you, and his abilities to handle the anchor on deck, also in rough conditions. if you are not sure please go one size lower if possible according to your boat size and weight, don’t worry, you will still have a very good holding, we measure our anchors holding power putting values in the charts in a very conservative way, meaning they will hold better than it shows in the chart.

Let's start choosing your next anchor.

 

The following first chart gives you the amount of holding power your boat needs.

These values were formed by the American Boat and Yacht Council (ABYC) and they are adopted by most anchor manufacturers.

1 Kilo equals 2.2 Libra.

ABYC ESTIMATED LOADS (SAILBOATS)

 

WIND SPEED           15 KNOTS        30 KNOTS         42 KNOTS

LOA 35 FEET          225 pounds       900 pounds    1,800 pounds

LOA 40 FEET          300 pounds    1,200 pounds    2,400 pounds

LOA 50 FEET          400 pounds    1,600 pounds    3,200 pounds

 

This chart shows the maximum holding power for each Viking anchor model, tested and measured in a sandy seabed.

All Viking anchor models had been tested to measure their holding power. since holding is greatly affected by the seabed type, we conducted our testings in the same seabed condition which is sand. depends on where you are sailing, holding power will vary according to the bottom below you.

This is why we caution write in our tables "Estimated holding power"

 

Model Estimated Holding power Kg Estimated Holding power Lib.
Viking 5 300 Kg 650 Lib.
Viking 10 1,500 Kg 3,300 Lib.
Viking 15 2,200 Kg 4,800 Lib.
Viking 20 3,100 Kg 6,800 Lib.
Viking 25 4,500 Kg 9,900 Lib.
Viking 30 5,000 Kg 11,000 Lib.
Viking 35 NT NT

 

 

 

These three charts show what Viking anchor model can be used on which size and weight of sailboat.

For motorboat, you will need 10% smaller anchor size, for sailing catamaran you will need 10% bigger anchor size.

Meaning that motorboat will need a smaller anchor and sailing catamaran will need a bigger anchor.

As you can see, there can be few options for every boat, for example, Viking 25 will hold a boat up to 21 Meters (70 fits) but it will not be wise to use it on eight meters boat, so please spend some time answering the questions above before deciding.

Metric

Model Estimated Holding power  Anchor weight Boat weight up to: Boat length up to:
Viking 5        300 Kg.         2.0 Kg               5,000 Kg          7.5 m           
Viking 10    1,500 Kg.          6.1 Kg                  9,000 Kg         12 m          
Viking 15 2,200 Kg.    11.2 Kg            13,000 Kg         13.5 m         
Viking 20 3,100 kg.       18.7 Kg                30,000 Kg     16 m         
Viking 25 4,500 Kg.       25.3 Kg                40,000 Kg       21 m         
Viking 30 5,000 kg.       36.7 Kg                    
Viking 35 Not tested     58.4 Kg                  

 

 Imperial

Model Estimated Holding power  Anchor weight Boat weight up to: Boat length up to:
Viking 5       650 Lib.           4.4 Lib.      11,000 Lib.          25,0"
Viking 10      3,300 Lib.         13.4 Lib.      20,000 Lib.          40.0"
Viking 15      4,800 Lib.         24.7 Lib.      28,600 Lib.          45.0"
Viking 20      6,800 Lib.         41.2 Lib.      66,000 Lib.          55.0"
Viking 25      9,900 Lib.         55.7 Lib.      88,000 Lib.          70.0"
Viking 30     11,000 Lib.         80.8 Lib.    
Viking 35      not tested       128.5 Lib.    

 

 

 

 

 

 

 

 

 

 

 

Also, look here:

 
Model Estimated Holding power Kg. Max boat length-for storm level Max boat length- for Violent storm level
Viking 5 300 6 m 6 m
Viking 10 1,500 15 m 10 m
Viking 15 2,200 18 m 12 m
Viking 20 3,100 21 m 15 m
Viking 25 4,500 24 m 19 m
Viking 30 5,000    
Viking 35 not tested    

 

 And in this last chart, you can find the actual measurements of our anchors.

It is important to check all the parameters in your boat that are related to dimensions and weight. please make sure that your boat can accommodate the anchor you choose.

 

 

 

 

 

 

 

Anchor Dimensions (inches)

Model A B C D E F G H
viking 5 10.6 12.9 11.8 17.1 6.3 7.0  0.3  0.3
viking 10 16.5 20.1 18.4 26.6 9.8 11.0  0.4  0.4
viking 15 19.6 23.8 21.8 31.5 11.5 13.0  0.6  0.5
viking 20 23.6 28.7 26.3 38.0 14.0 15.6  0.6  0.6
viking 25 26.4 32.1 29.4 42.6 15.6 17.4  0.6  0.7
viking 30 30.0 36.4 33.4 48.3 17.7 19.6  0.8  0.7
viking 35 33.7 40.7 37.6 54.3 20.0 22.3  0.9  0.8

 

Anchor dimensions (mm)

Model A B C D E F G H
viking 5 270 327 300 434 160 179 8  6.7
viking 10 420 510 467 676 248 279 10  10.4
viking 15 497 605 554 800 293 329 14  12.5
viking 20 600 729 668 965 355 395 16  15
viking 25 671 816 748 1081 397 442 16  16.8
viking 30 761 925 848 1226 450 498 20  19
viking 35 857 1035 955 1380 507 566 22  21.5

 

Knowing all the above you are ready to choose your next and last anchor for your boat. 

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