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Kicker load on an Ent
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Eisvogel View Drop Down
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Posts: 135 		Post Options Post Options   Quote Eisvogel Quote  Post ReplyReply Direct Link To This Post Topic: Kicker load on an Ent
    Posted: 01 Apr 19 at 7:09pm
Originally posted by ChrisJ

And if the boom is still the original, then the fitting on the boom could easily be in the wrong place. When new, it had a complex highfield lever system on the boom for the top of the kicker, to allow a coarse as well as a fine adjustment on the kicker lever. I suspect this was all replaced with a proper cascade system years ago!

Not sure if the boom is original; it could well be. And yes, it has a cascade kicker which is attached to the floor.

My problem is that the kicker is already maxxed out before I get the right setting for stronger winds, so ideally I need to move the attachment point on the boom further back (obvs in line with class rules), but that makes it even worse with the centreboard interference.

I think the consensus here is that the 1000kg ought to be enough, but might be borderline; and the 2000kg would be a safe bet. Thank you for all the useful comments!
Enterprise 20361 (Eisvogel), Laser 102727 (Halcyon), Laser 121986
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Sam.Spoons View Drop Down
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Posts: 3400 		Post Options Post Options   Quote Sam.Spoons Quote  Post ReplyReply Direct Link To This Post Posted: 01 Apr 19 at 11:48pm
It shouldn't be too difficult to have a coarse and fine adjustment with a cascade kicker, take up the slack with the coarse and use the fine for power?
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Posts: 1314 		Post Options Post Options   Quote Neptune Quote  Post ReplyReply Direct Link To This Post Posted: 02 Apr 19 at 12:37am
I think some people here should go to the gym and recalibrate how strong they think they are... 
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Sam.Spoons View Drop Down
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Posts: 3400 		Post Options Post Options   Quote Sam.Spoons Quote  Post ReplyReply Direct Link To This Post Posted: 02 Apr 19 at 9:11am
I'm getting older but I do have a pretty good idea how strong I am (a couple of different jobs and hobbies over the years). 60kg I can lift and pull on a line in a favourable position. I could not pull that much from the side deck but we have to take into account the max loads when speccing rigging. Good quality snap shackles will have a SF of 3 but cheaper Chinese stuff likely no more than SF = 2. The shock loads possible on a kicker are likely to be at least 2 x static load so a strong crew setting up the kicker while leaving the beach and a strong wind gybe will probably exceed the breaking load of a 1000 kg rated shackle. 99 times out of 100 the l tonne shackle will be fine, the OP wanted to know what to use for maximum confidence. 
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PeterG View Drop Down
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Posts: 822 		Post Options Post Options   Quote PeterG Quote  Post ReplyReply Direct Link To This Post Posted: 02 Apr 19 at 10:50am
I once got caught under the boom of my Contender and tried straightening up a little and snapped the 4mm dyneema, which made getting out a lot easier. OK, it snapped at a knot, so effective bs probably only around 1000kg, but it taught me a thing or two about the loads that can be generated by an 18:1 kicker.
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