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Old 22 November 2005, 05:28   #11
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Quote:
Originally Posted by codprawn
On any boat other than a RIB I would never do without the chain. I plan on carrying 2 anchors - a danforth 18lb and a fisherman anchor of similar size.

What I was thinking of was relying on one of these hefty anchors for calm weather and chucking on 30' of heavy chain when the conditions arise.

I just don't fancy dragging 30' of chain over my bow!!! I also have a lot of hefty rope to go with it - 400 feet to be exact.

Anyone tried the alderney ring method or similar?
I used to anchor the Redbay with a small 5kg bruce with about 5m chain on it for short periods and use the large 15kg plough with 15m of chain for over nighters. The wee anchor would hold her in upto a F3-4 and only twice have I put both anchors out for overnighting.
I was always taught that the chain does all the work so the more the better, also found an "Angel" to be very good.
The Alderney ring work very well and I have used it to lift over 120m of rope no problem.
I know a guy that uses over 1000ft of rope to anchor his rib when fishing in the North Channel , however I only ever carry about 300ft.....better looking at it than for it!!
Andy
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Old 22 November 2005, 07:19   #12
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how about still using chain but use a shorter length so you still get some horizontal pull but not the extreme weight of a decent amount of chain. not using any chain might be a bit risky or problematic at some stage
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Old 22 November 2005, 07:25   #13
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Quote:
Originally Posted by Hugh Jardon
how about still using chain but use a shorter length so you still get some horizontal pull but not the extreme weight of a decent amount of chain. not using any chain might be a bit risky or problematic at some stage
The idea of the chain is take the "snatch" out of the boat movement to allow the anchor to remain on the bottom. It would really depend on the sea conditions but why skimp on what you may need to use in a dirty day to prevent your boat heading up the rocks
Andy
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Old 22 November 2005, 07:26   #14
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I carry more than one anchor - I've got 3.

The 10kg Bruce (main anchor for coding), the 10m of 8mm chain (I think) and 30m of 12mm rope is soooo bloody heavy, it is a real pain in the arse. It's rigged ready to go, and was used once, but for for the last 18 months, has been doing sterling service as ballast in the anchor locker.

The 6kg Grapnel (secondary anchor or kedge for coding), the 10m of 6mm chain and the 30m of 10mm rope is still heavy but easier to handle than No 1 above. I use it if there is a swell or stiff breeze.

But, when I got my tender, I got a free 3.5kg grapnel, 30m of 8mm rope, and had some 5mm chain lying around. It's fantastic, has held whenever I've used it (in light conditions) - and it is easy to recover.

HOWEVER - I don't leave the RIB on the anchor unattended - would rather pick up a mooring. If I was leaving it anywhere, I'd use the big one, and put up with the back breaking haul the next morning.

Oh, and I always tie it through the painter so the D-ring takes the strain, and so that the tube doesn't get rubbing damage.



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Old 22 November 2005, 07:47   #15
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Originally Posted by Richard B
This can be useful for padding where the warp goes over the tube if you need it

dats fkin gud addvise.

s.p. wy av yorr toobs gott worp chayfe onn dem

gArf
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Old 22 November 2005, 08:53   #16
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We had to mayday relay a rib last month who was being pounded in the surf on a bank with a flooding tide out in Morecambe Bay. If he had anchored quickly he would have saved a lot of damage to the boat, not to mention a few cracked ribs and a lot of bruising. For this reason I would never run without an anchor/warp/chain ready to deploy if the unexpected happens.
To save chafe on the tubes- anchor up and then tie your painter from the bow eye into the anchor warp. Let out some more warp and bingo-you are anchored by the bow eye with no pressure on the warp that comes over the tube-this is now your "lazy line" which you can use to bring the main anchor warp back to hand when it is time to leave.
As for the Alderney ring technique I have used it in the past on our fishing boats but it is a technique with the potential to bite you big style. No matter how good at it you may be it only needs one mistake and the anchor warp is around the engine leg and you could be anchored by the stern in a strong tide-there are various known instances of this happening and the potential is there to lose your boat(and your life!). So dangerous can it be that my instructors in the national assn of boat angling clubs flatly refused to teach it!
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Old 22 November 2005, 13:23   #17
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I have a combined anchor roller and cleat on the bow and then keep the anchor, chain and rope in a plastic storwage box.

I use a lightweight Fortress FX7 anchor, 30 feet of chain, 150 feet of anchor rope.

It's Danforh style, but about half the weight

Experience so far is it seems to hold well and not too bad to handle

ATB

Jon
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Old 22 November 2005, 13:32   #18
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Loads of good advice there!!!

On a normal boat I would go for a Bruce with loads of rope and chain but on a RIB it is limited.

An anchor is probably THE most important safety device there is which is why I want to carry hefty stuff - even if you never use it you need to have it as a last resort.

For day to day stuff probably a folding grapnel will be the best - obviously only on calm days and never if I am leaving the boat!!!

A lot of people probably don't realise that the weight of an anchor doesn't make any difference - it is down to the surface area of the flukes. This is why a Fortress always does so well in the tests - a 7kg fortress is probably 2x the size of a 7kg Danforth.

The Fortress is probably the ultimate for a RIB but there is no way I would spend that sort of money on something you may have to leave on the seabed!!!

I will also be carrying a Sea Anchor - ended up buying the biggest size they had designed for 45' yachts - it was only a little more expensive and still rolls up small.
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Old 22 November 2005, 14:26   #19
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Quote:
Originally Posted by codprawn
I will also be carrying a Sea Anchor
Anyone use these on a RIB ? How effective are they?

missus
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Old 22 November 2005, 14:31   #20
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Quote:
Originally Posted by The Jackeens
Anyone use these on a RIB ? How effective are they?

missus
Yep very effective at keeping you head to wind, but don’t forget the tripping rope cos they’ve got quite a pull
Did try a 1ton dumpy sack but it was a pig to handle and control. Now have a little something from Compass Des
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