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Old 25-06-2009, 05:08   #16
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SailRite on Webbing:

Webbing - Nylon, Polyester and Polypropylene Webbing

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Old 25-06-2009, 11:46   #17
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I use two different sets of jacklines when I go offshore. The first pair are commercially sold similar to those offered by West Marine, but modified by adding a self made section at the aft end. This section has a caribiner similar to the store bought section but is short and ends with a ratchet of stainless steel similar to those on load securing straps sold at auto supplies. These jacklines run full length and are flat against the deck. Since they are flat webbing and won't trip I can leave them in place most of the time and I can tighten them with the ratchet to take up any stretch.

My second set is used when I think the weather is going to be bad and they are made of coated cable similar to lifeline cable with turnbuckles on the aft end. These run full length on either side of my dodger held up by the SS handles on each side and go from the stemhead fitting to an eye on my davits, about 3 feet above the deck. I don't use them all the time because you have to duck under them getting in or out of the cockpit (I have a center cockpit), but they act like an inboard lifeline and you can snap in very easily from inside the cockpit. They sure make my wife happy.

Have fun

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Old 26-06-2009, 10:36   #18
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in the past when single handing down to the Caribbean, I purchased heavy duty dacron webbing from a military surplus supply store and made a jackline from the cabin to the mast, then mast to the anchor windlass, both down the centerline. this allowed me to stay clipped in and have access to either side of the boat when needed. do have a setup that allows for always allowing yourself to remain clipped on when going from one rope to another. The life you save may be yours. Good luck with your cruise!
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Old 26-06-2009, 14:13   #19
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Gords Idea is a good one, if you use short runs they wiil be a real pain because you have to keep clipping on and off. On my boat I can clip on while in the cockpit and walk all the way to the bow roller.
Cheers Jamie
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Old 29-06-2009, 12:42   #20
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In rockclimbing, while setting up anchors, Gord's drawing depicts what is known as a Death Triangle, where peoeple often exert more stress on each of two anchors than thye would on one anchr along. Therefore, in climbing you use more rope to create deep v, which produces less stress on both anchors (a bit more than 50% of total load). Doesn't work here, as lines would be too slack, but is does demonstrate a need for some appreciation of forces at play.
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Old 30-06-2009, 05:53   #21

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Spot on, Erika. We always say "Rule number one is to stay ON THE BOAT. And if you have to violate Rule Number One, please do not walk on the water, it tends to start religions."
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Old 30-06-2009, 06:27   #22
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We have taken the jacklines off the boat.
Flat on deck the get the full amount of UV and in the tropics I dont know how long they will last. The old ones were shot.

So we walk slowly up forward cos we're not racers, and clip onto SWR shrouds or baby stay.

I'll rethink it as soon as budget allows...

I certainly agree with Erika about the need to not go over the gunwales.

Notes on a Circumnavigation.

Somalia Pirates and our Convoy
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Old 16-07-2009, 11:47   #23
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Back from our trip. Thanks for all the input. Turned out we had a pair of web jacklines onboard from prior owner. Nylon, I think, but never used, still in packaging, and not exposed to UV, so that's what we used. I rigged them on each side, but also with a stretch from bow to a mast fitting at waist height. While at the mast we clipped in to this hard fitting directly on the short tether, with the long one on the windward side jackline.

This seemed to work pretty well, but then it was (thankfully) never *really* put to the test.

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Jacklines, safety equipment

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