How big is your Anchor???
Hello All,
Not looking to stir the pot or get opinions on "best" anchor just looking to compile some data for my own decision making process. It would be much appreciated if you could please supply the following data. Mine is as follows: Boat Make/model: 1995 Ocean Alexander 456+3 Boat Length: 48' Est. Gross cruising weight: 50,000+ Anchor make/type: Original Bruce Anchor weight: 44 lbs Amount of chain rode: All chain (250'??) Thanks, Lynn |
O know. There are many previous threads regarding your question on this site.
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IMO, 44 lb Bruce is too light for a 50,000 lb boat. I just replaced my 44 lb Bruce with a 44 lb Vulcan, and while I maybe should have gone to a 55 lb Vulcan (according to Rocna's recommendations for a boat > 10 tons) I think I am OK. My suggestion, find an anchor you like, then go with the manufacturer recommendation on sizing for the weight of your boat. For example, Rocna recommends a 40 kg (88 lbs) Vulcan for your size boats (if I am interpreting their guidelines correctly).
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I’m using
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Having said this, the Manson came out of our sailboat which we cruised extensively in the Caribbean and Bahamas. The sailboat was about half the weight of our OA. Still, with 3/8ths bbb and 60 pounds I sleep well at night. Did you get the stabilizers installed? We are currently in the Abacos and were pleased we had them For the crossing last November. |
Interesting,
My boat usually has about 800lbs of boat to hold whereas yours has at least 1100lbs of boat to hold. Anchor weight to boat weight. By that comparison it looks like you’re anchor is loaded more heavily than mine. But anchor load is usually a product of windage. And by that measure your anchor/boat combination is likely 8 times as anchor loaded as mine. But your boat is bigger than average and mine is considerably smaller. But I think your inclination to evaluate anchor size may be revealing. Edit to answer the post question. I have numerous anchors but they usually fall into a range of 13 to 18lbs. So one could say my anchor is 15+lbs. That would put my anchor loading at 1100lbs to each pound of boat weight. Same as MTW. But this is just to boat weight and windage is far more relavant but I don’t know if Ive ever seen a believable windage scale. Too hard to measure. |
Lynn,
I went overboard, pun intended, with my new boat. I dragged with a smallish MS anchor on my last boat, almost ending up on the shore. My current boat is about 57' overall, and weighs about 60,000. I have a Mantus 105# anchor on all chain. Overkill? Perhaps, but my windlass doesn't mind, and I always put out 5-7 to 1. I sleep very well. Cheers, Bill |
Welcome Lynn! This is one subject that has been discussed here many many times. Do a search and have fun!!
ASD is 48ft long 48Klbs 550 ft of all chain rode. Anchor: 77lb Rocna (best anchor in my opinion:facepalm::hide::D) As stated a 44lb anchor seems a little on the light side. |
60 pound Manson Supreme, 200 ft 5/16 BBB chain.
40 foot Albin but light with only a 34 foot WLL. Been having a air leak, fuel starvation problem and have dropped it 10 times in emergency situations this month with high winds and current in ICW. Never failed me yet either in emergency or regular anchoring, pretty much drop and forget. Also been superb in reversing tidal steams with reasonably strong currents up to 1.5 kts or so. |
Having been caught at Anchor in 50 mph storms I always buy either one size or two larger than the manufacturers recommended weight, most manufacturers are optimistic in my opinion.
Scott, you haven’t found your air leak yet? |
I don’t like to brag but............. oh, we are talking about anchors.
28000 lb with a Rockna 25. 44# |
What’s all this bragg’in about one’s anchor brand?
The question is only how big. |
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modified rocks too... :)
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42 feet, 42,000 pounds
85 pound Mantus 250 feet 5/16 HT chain G4 ISO I'd rather have 3/8s chain but, there are other, higher, priorities . |
A 44 lb anchor on a 50,000 lb boat is too small IMHO.
We carry a 55 lb Rocna with 200' of 5/16" HT chain on our 20,000 lb boat. David |
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100%:thumb::thumb::thumb::thumb: |
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You are getting close to the correct anchor size when other folks in nearby slips begin to tease you about it.
You are there when you no longer "anchor" but rather "moor". |
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