Mooring shock absorbers

MapisM

MapisM

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Looking for a couple of them, I realized how many different types/prices there are on the market.
What would be your recommended choice, considering that they should deal with a 35+ tons boat?
Thanks in advance for any suggestion!
 
Mario
Why do you want them?

35+ tons of boat would need one hell of a strong shock absorber. You didn't say if the boat was laying to a swinging mooring or an alongside berth!

Surely rope stretch, the size of the fittings on a 35 tonner and weights of chains would be enough!!!

Peter.
 
Those look good to me, so good I may well order four!
Do you know where I could source them in either Spain or UK?
 
I was interested as well and found a link to a UK distributor on the link given above. What I can't find is any description of the principle of operation; is this elastic, pneumatic, spring...? They don't look quite man enough for a 35 tonne yacht, tho' - at least, not in a harbour with a lot of surge.

My interest is with a preventer - I really need to sort myself out because at present I consider it unsafe to permit a preventer to take the full shock load of an accidental gybe, and as a single-hander I do have to leave it to itself at times! I have to tack off the run enough to keep it safe and even that isn't perfect. I've looked at boom brakes etc., and nothing has appealed.

With one of these things, the worst that will happen is to end up with a backed main. But what size do I need? I don't have the information I need to calculate it and it would be a guess.
 
Will you let us know what you think of them and what you paid to Spain?
 
The Shockles don't look beefy enough to me. I use a couplr of those Forsheda thick rubber jobbies that you thread the mooring line through. Most of the Spanish boats I have seen use those steel spring things in various sizes, which seem to do the job.
 
At last year's (or was it Jan.?) Boat Show I was seduced into buying a set of four heavy-duty rubber 'buckles' - can't remember the brand name. They are fitted onto a loop of the mooring line, so you don't need to thread the end through. Have proved excellent, and because they're compact you can place two or more 'in series' if needed. Keep an eye out for them at the SBS, if you're going. The only limitation seems to be rope size - I'd say about 16mm

Brian
 
the master mooring things look great, but I bet the price is great as well, the hulk, not sure about, the sweetail have seen, but also expensive. I've ordered 4 of the shockles, size 3, we'll see how they look, if not strong enough for me, my mate will have them for his boat, so no hassles there. Then I might have to go for the sweetail ones or just put up with squeeky ropes and a bit of "snatch" (I should be so lucky)
 
I have a pair of stainless springs in a 'frame', with a nylon dowel to prevent the spring from compressing too far. Very heavy duty, bought in Gib in August 2005. Gib is one of the most testing places for mooring shock absorbers. I am very happy with them, they look much more heavy duty than the shockles ones, and much better than the traditional galvanised steel springs (tho' SS has its own problems with crevice corrosion, of course). I think mine were about £25 each here in Gib in 2005, from memory.

My interest in the shockles is to use with a preventer. They look absolutely ideal.
 
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