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#1
posted to rec.boats.cruising
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Safety tether snaps
I think this was discussed recently here but it wasn't on my radar
screen at the time. Apologies if it’s too soon to bring it up again. Would someone please tell me why standard snap shackles shouldn't be used for safety harness tethers, at least on a casual cruising boat where midnight headsail changes and spinnaker dousing isn't part of the normal drill? I looked at the double acting Winchard shackles that are supposed to be the latest and greatest and the designer in me goes "Ugh". Your fingers are in the way of what you want to clip to and the sharp edges are going to be hard on jacklines or any other fiber. The tightwad in me says something even less printable. Does anyone have another recommendation for a boat where there is very little deck work or much unclipping and moving around? -- Roger Long |
#2
posted to rec.boats.cruising
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Safety tether snaps
On Thu, 23 Mar 2006 19:58:11 GMT, "Roger Long"
wrote: Does anyone have another recommendation for a boat where there is very little deck work or much unclipping and moving around? I have used aluminum mountain climbing carbiners on my harness for many years, one long tether, one short tether. |
#3
posted to rec.boats.cruising
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Safety tether snaps
Hard to undo quickly, especially if you have to switch tethers when moving
around... I can't think of any other reason. -- "j" ganz @@ www.sailnow.com "Roger Long" wrote in message ... I think this was discussed recently here but it wasn't on my radar screen at the time. Apologies if it's too soon to bring it up again. Would someone please tell me why standard snap shackles shouldn't be used for safety harness tethers, at least on a casual cruising boat where midnight headsail changes and spinnaker dousing isn't part of the normal drill? I looked at the double acting Winchard shackles that are supposed to be the latest and greatest and the designer in me goes "Ugh". Your fingers are in the way of what you want to clip to and the sharp edges are going to be hard on jacklines or any other fiber. The tightwad in me says something even less printable. Does anyone have another recommendation for a boat where there is very little deck work or much unclipping and moving around? -- Roger Long |
#4
posted to rec.boats.cruising
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Safety tether snaps
"Capt. JG" wrote:
Roger Long" wrote: please tell me why standard snap shackles shouldn't be used for safety harness tethers, at least on a casual cruising boat where midnight headsail changes and spinnaker dousing isn't part of the normal drill? Hard to undo quickly, especially if you have to switch tethers when moving around... I can't think of any other reason. There have also been a few reports to the effect that a rescuer's grabbing on the line of a crew-in-water attached to his or her harness by a snap shackle with a short string attached to the movable pin, a not uncommon ease-of-opening device attached to such shackles, might accidentally open the shackle (too easily) - not a happy occurrence, if the now floating away COB is not fully conscious. |
#5
posted to rec.boats.cruising
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Safety tether snaps
According to Nigel Calder (Cruising Handbook - pg. 473):
"When a carabiner-type (snap) hook twists around a pad eye it can trip itself loose. Come type of locking hook is much safer." He provides an photo to illustrate. That being said, I use carabiner-type hooks I got from Bosun Supplies. I spliced them to 3-strand nylon figuring my aged and brittle bones would be less likely to snap given some "sproing" in the line. I seem to only turn clockwise and thus keep getting hockles. Once every two days I merilly spin anti-clockwise until all is well once again. Many thanks, Howard Wayne.B wrote: On Thu, 23 Mar 2006 19:58:11 GMT, "Roger Long" wrote: Does anyone have another recommendation for a boat where there is very little deck work or much unclipping and moving around? I have used aluminum mountain climbing carbiners on my harness for many years, one long tether, one short tether. |
#6
posted to rec.boats.cruising
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Safety tether snaps
I'll report back after a trip to the climbing store tomorrow. My
brother is a climber. We use these things hoping we'll never put a weight on them and trying hard not to. Climbers put their full trust in them over and over and over. They expect to fall on them and much farther than the freeboard of any boat I've been on (except maybe that Russian square rigger). Salt water is an issue, of course. -- Roger Long "Howard" wrote in message ervers.com... According to Nigel Calder (Cruising Handbook - pg. 473): "When a carabiner-type (snap) hook twists around a pad eye it can trip itself loose. Come type of locking hook is much safer." He provides an photo to illustrate. That being said, I use carabiner-type hooks I got from Bosun Supplies. I spliced them to 3-strand nylon figuring my aged and brittle bones would be less likely to snap given some "sproing" in the line. I seem to only turn clockwise and thus keep getting hockles. Once every two days I merilly spin anti-clockwise until all is well once again. Many thanks, Howard Wayne.B wrote: On Thu, 23 Mar 2006 19:58:11 GMT, "Roger Long" wrote: Does anyone have another recommendation for a boat where there is very little deck work or much unclipping and moving around? I have used aluminum mountain climbing carbiners on my harness for many years, one long tether, one short tether. |
#7
posted to rec.boats.cruising
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Safety tether snaps
Wayne.B wrote:
On Thu, 23 Mar 2006 19:58:11 GMT, "Roger Long" wrote: Does anyone have another recommendation for a boat where there is very little deck work or much unclipping and moving around? I have used aluminum mountain climbing carbiners on my harness for many years, one long tether, one short tether. Me too! |
#8
posted to rec.boats.cruising
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Safety tether snaps
Roger Long wrote:
I'll report back after a trip to the climbing store tomorrow. My brother is a climber. We use these things hoping we'll never put a weight on them and trying hard not to. Climbers put their full trust in them over and over and over. They expect to fall on them and much farther than the freeboard of any boat I've been on (except maybe that Russian square rigger). Salt water is an issue, of course. You can also buy stainless carabiners for sal****er environments. Sea Kayakers use them as do Navy special forces. |
#9
posted to rec.boats.cruising
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Safety tether snaps
Same store has a big kayak section.
-- Roger Long "Gary" wrote in message news:XKGUf.177142$B94.116103@pd7tw3no... Roger Long wrote: I'll report back after a trip to the climbing store tomorrow. My brother is a climber. We use these things hoping we'll never put a weight on them and trying hard not to. Climbers put their full trust in them over and over and over. They expect to fall on them and much farther than the freeboard of any boat I've been on (except maybe that Russian square rigger). Salt water is an issue, of course. You can also buy stainless carabiners for sal****er environments. Sea Kayakers use them as do Navy special forces. |
#10
posted to rec.boats.cruising
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Safety tether snaps
You might want to look here
http://www.setsail.com/c_central/techtalk/harness.html when thinking about "biners" for the boat side of the harness. Experience in the 98 Sydney-Hobart showed that drowning can occur if the harness can not be released by the wearer. I use a snap shacle on the harness side and a biner on the boat side of my tether, but suspect there are better set-ups. -- Tom. |
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