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Ground tackle

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  • 22 Jul 2013 05:18
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    Reply # 1348493 on 1337294
    Anonymous member
    One idea I rather like is to make a tall, narrow box, from keel to deck, back near the mast, and waterproof, so that mud, weed and water are retained within it. Then rig a grating in the bottom for the chain to rest on, a strum box and small manual bilge pump to empty it when necessary. Add an inspection hatch so that you can see what's going on, and to be able to attach the bitter end of the chain to an eyebolt, low down. This may be more suitable for large boats, with more volume inside. I saw it on a large racing yacht, where weight forward was definitely not wanted.
  • 22 Jul 2013 02:51
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    Reply # 1348455 on 1337294
    Deleted user
    Keep the chain in the bow locker but when on passage take your 16kg anchor back aft. It makes a big difference on a 26' boat. Cheers. Thierry
  • 22 Jul 2013 02:05
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    Reply # 1348437 on 1337294
    Anonymous member
    Patric: you are dead right that storing chain in the pointy end is not a great idea.  On the other hand, having dirty, wet chain in the accommodation isn't a great idea, either.  Yes, we did stow our chain in a watertight chain locker, right up forward on Badger.  I do the same on Fantail, too, but salved my conscience by limiting myself to 25m of chain, backed up by loads of rope.  If you are anchoring in fjord country, I guess you will often be in more than 5m of water and if, like me, you prefer to swing on chain rather than rope, I guess you'll want more than 25m.

    Overall, I think most people reckon the convenience - not to say additional safety - of having as much chain as you want, easy of access in the bow, outweighs the drawbacks of pile-driving, going to windward in a sloppy sea.  From having now sailed quite a few miles in Fantail, I reckon I could happily carry another 10m of chain in the bow.
  • 21 Jul 2013 10:35
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    Reply # 1348092 on 1337294
    Deleted user
    On a somewhat related note: any tips for storage? As it happens I just bought 50m of galvanised 8mm chain to upgrade the 30m chain arrangement. When I got the boat this was stored in a bucket under the companionway ladder.
    My idea was to install a hawse pipe and store the new chain permanently in the bow, right under the 16Kg Buegel anchor which lives in the bow roller. Since the chain weighs around 65Kg it's not that great to store in the pointy bit though. I could, in theory place said hawse pipe further aft and lead the chain down under the forward bunk. This however means effectively losing the only dedicated bunk.
         
    Had a look at Annie's bible and the chain on Badger seemed to be stored in the bow, is that correct? 
  • 20 Jul 2013 19:04
    Quote
    Reply # 1347879 on 1347636
    Anonymous member
    Annie Hill wrote:
    David Tyler wrote:I'd attach a 16kg Manson Supreme or Rocna to the end of it. I have a 20kg Rocna, and am more than satisfied with it. It has never let me down, unlike the 20kg Delta it replaced.

    16 kg on a 26 footer, David?? You only had 7.5 Bruce on your Sadler 26, if I remember correctly.  If you have a chain pawl, I don't think you'd have any problem with 8 mm chain.  Without one, yes, 6mm would probably be easier to handle.
    Yes, that's probably be a bit over the top for Norwegian conditions of mostly glacial mud and sand. 16kg is about the lightest that will penetrate weed, but I don't recall too much of a problem with that when I cruised to Lofoten.
    Make that a 10kg Rocna or Manson Supreme.
  • 20 Jul 2013 18:29
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    Reply # 1347857 on 1339569
    Anonymous member
    Arne Kverneland wrote:It appears that a galvanised chain version called Fram Alloy Hot dip Galvanised has a breaking strength (8mm) of 6.5tons and a test force of 3.9tons

    Even their plain galvanised soft iron chain has a breaking strength of 2.4ton and test strength of 1.3ton ( max legal working load is 0.6ton).


    The plain galvanised chain is the only thing I found online at Norwegian chandlers.  The Fram Alloy chain seems equivalent to Maggi's Aqua7, and is the best I have yet seen in Norway.  Thank you.  I'll contact them and find out what it costs.  I could even go down to the smallest chain they have of that grade, the 7mm.
  • 20 Jul 2013 14:15
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    Reply # 1347773 on 1337294
    Deleted user
    I dont think my old plough ever penetrated the bottom. Spent its entire anchoring career on its side as far as I saw..

    The new Super SARCA anchor we have, thats a different story, havent used it yet, but have tried to "drag" it around the yard..  it never drags more than 12 - 18", it digs in that fast. The plough on the other hand just surfs along on top of the sand... It should be called "The Rake", since it cant even plough a decent furrow.
    Last modified: 20 Jul 2013 14:17 | Deleted user
  • 20 Jul 2013 08:07
    Quote
    Reply # 1347701 on 1337294
    Anonymous member
    You need a certain weight to an anchor to reliably penetrate the bottom and 15/16kg is about it. Certainly I'd never use anything lighter on my boats.
  • 20 Jul 2013 04:40
    Quote
    Reply # 1347636 on 1343798
    Anonymous member
    David Tyler wrote:I'd attach a 16kg Manson Supreme or Rocna to the end of it. I have a 20kg Rocna, and am more than satisfied with it. It has never let me down, unlike the 20kg Delta it replaced.

    16 kg on a 26 footer, David?? You only had 7.5 Bruce on your Sadler 26, if I remember correctly.  If you have a chain pawl, I don't think you'd have any problem with 8 mm chain.  Without one, yes, 6mm would probably be easier to handle.
  • 19 Jul 2013 01:55
    Quote
    Reply # 1343798 on 1337294
    Anonymous member
    I don't even need 10mm chain on Tystie - 8mm is quite enough. A little anecdote - I managed to trap an anchor under huge boulders, and had to cut the chain. There was little wind in the anchorage, but a lot of swell. I hauled the chain up short, so as to lose as little as possible, and it was snubbing mightily. I cut one side of a link - no tendency for the link to open up. I cut halfway through the second side before it started to bend - and this was with snubbing that was threatening to damage the stemhead roller fitting. That convinces me that 8mm chain is all I'll ever need, used with a nylon snubber to take the snatches. So 8mm is more than Gecko needs, at less than half the weight and size. 6mm would be strong enough, and if there is no windlass to help, is all I'd want on a 26ft boat. 50 metres of 6mm is what I'd get, and I'd attach a 16kg Manson Supreme or Rocna to the end of it. I have a 20kg Rocna, and am more than satisfied with it. It has never let me down, unlike the 20kg Delta it replaced.
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