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![]() "hpeer" wrote in message m... Marty wrote: Richard Casady wrote: How come stainless cable is more than six times as costly as galvanized, yet nobody uses the galvanized. Stainless the same size has about 80% of the breaking strength. Galvanized is what they guy power poles with. Casady Well, the price differential isn't that high, if you don't buy SS wire that is preceded by the six most expensive letters in the English alphabet; M A R I N E. The basic material is more costly, and great deal more galvanized is used throughout the world, cranes, tow cable, highway restraint cable, antenna guys, drilling derricks......etc. Properly cared for galvanized will out last steel, take an old boat restoration class or two, ignore Wilbur/Neal, he knows nothing about boats. Cheers Martin Bernard Boitessier rigged Joshua with galvanized wire and wood poles. Worked for him. Not exactly light or pretty but worked. Galvanised rigging looks perfectly OK but will start to rust after a year or two. However this rusting is easy to check, since it will almost always start at the lower ends of the shrouds where salt spray reaches it most often. For this reason you mut periodically remove the seizing from the splice at the lower end to make sure that hidden rust has not started inside the splice. |
#2
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![]() "Marty" wrote in message ... Richard Casady wrote: How come stainless cable is more than six times as costly as galvanized, yet nobody uses the galvanized. Stainless the same size has about 80% of the breaking strength. Galvanized is what they guy power poles with. Casady Well, the price differential isn't that high, if you don't buy SS wire that is preceded by the six most expensive letters in the English alphabet; M A R I N E. The basic material is more costly, and great deal more galvanized is used throughout the world, cranes, tow cable, highway restraint cable, antenna guys, drilling derricks......etc. Properly cared for galvanized will out last steel, take an old boat restoration class or two, ignore Wilbur/Neal, he knows nothing about boats. Yes, it is Ok in any application where you can grease it. But you can't grease your rigging unless you want your sails, ropes and everything else to get covered in it. |
#3
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Edgar wrote:
"Marty" wrote in message ... Richard Casady wrote: How come stainless cable is more than six times as costly as galvanized, yet nobody uses the galvanized. Stainless the same size has about 80% of the breaking strength. Galvanized is what they guy power poles with. Casady Well, the price differential isn't that high, if you don't buy SS wire that is preceded by the six most expensive letters in the English alphabet; M A R I N E. The basic material is more costly, and great deal more galvanized is used throughout the world, cranes, tow cable, highway restraint cable, antenna guys, drilling derricks......etc. Properly cared for galvanized will out last steel, take an old boat restoration class or two, ignore Wilbur/Neal, he knows nothing about boats. Yes, it is Ok in any application where you can grease it. But you can't grease your rigging unless you want your sails, ropes and everything else to get covered in it. For the boats we sail, annual soaking in linseed oil will suffice, and leave a lot less mess on your sails.. Cheers Martin |
#4
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Edgar wrote:
Properly cared for galvanized will out last steel, take an old boat restoration class or two, ignore Wilbur/Neal, he knows nothing about boats. Yes, it is Ok in any application where you can grease it. But you can't grease your rigging unless you want your sails, ropes and everything else to get covered in it. You would feel a lot better if you used a Mil Spec style corrosion inhibitor. These set to a waxy finish within 24 hours. Even a BoeShield T-6 (not sure about that number) aerosol cannister will do a serviceable job. It's this style of inhibitor that coats the galvanized aileron control cables in the 737 you flew in recently..... Brian W |
#5
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#6
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On Feb 9, 10:35 pm, Bruce wrote:
On Mon, 09 Feb 2009 23:46:11 GMT, (Richard Casady) wrote: How come stainless cable is more than six times as costly as galvanized, yet nobody uses the galvanized. Stainless the same size has about 80% of the breaking strength. Galvanized is what they guy power poles with. Casady Basically using galvanized wire rope just takes a LOT more maintenance, and a LOT more time to build. If you are doing your own work then perhaps it is more economical, but if you are paying others the it is doubtful The first problem comes when you attempt to locate proper heavy duty thimbles for the eyes. Damned hard to find. Next comes splicing the eyes in the cables. Again, if you can do it yourself and have the tools then go for it but if you are paying rigger's rates then get your wallet ready. Now you have the cables cut, spliced around proper heavy duty thimbles. Next step is to worm, parcel and serve all splices and usually the lower cables up 10 - 15 feet above the deck. Once that is done you need to mix up some slushing and paint the cables, working it well into the wrappings. Now! At last, you can rig the boat. But remember that annually you will need to inspect, replace worn wrappings and re-slush all the cables and slushing is a mixture of tar, oil, Japan dryer and various other arcane substances. (think roofing tar) so don't even begin to think about slushing down the rigging while in a marina slip as you will sprinkle not only your deck but your neighbor's decks with sticky, black, tarry gunk. Now, having said all that you might be interested that properly maintained galvanized rigging will out last stainless. Cheers, Bruce Bruce where the hell do you get that idea? spend a couple pennies more and get the better galv. you just described what i do to my standing rigging and mine is all manella and hemp. yes with proper care galv will out last SS but the level of care is not serving the bloody thing. you soak the cable warm for a bit till the grave penetrates the core and then gravy the outside about twice a year. |
#7
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On Mon, 9 Feb 2009 22:45:55 -0800 (PST), Two meter troll
wrote: On Feb 9, 10:35 pm, Bruce wrote: On Mon, 09 Feb 2009 23:46:11 GMT, (Richard Casady) wrote: How come stainless cable is more than six times as costly as galvanized, yet nobody uses the galvanized. Stainless the same size has about 80% of the breaking strength. Galvanized is what they guy power poles with. Casady Basically using galvanized wire rope just takes a LOT more maintenance, and a LOT more time to build. If you are doing your own work then perhaps it is more economical, but if you are paying others the it is doubtful The first problem comes when you attempt to locate proper heavy duty thimbles for the eyes. Damned hard to find. Next comes splicing the eyes in the cables. Again, if you can do it yourself and have the tools then go for it but if you are paying rigger's rates then get your wallet ready. Now you have the cables cut, spliced around proper heavy duty thimbles. Next step is to worm, parcel and serve all splices and usually the lower cables up 10 - 15 feet above the deck. Once that is done you need to mix up some slushing and paint the cables, working it well into the wrappings. Now! At last, you can rig the boat. But remember that annually you will need to inspect, replace worn wrappings and re-slush all the cables and slushing is a mixture of tar, oil, Japan dryer and various other arcane substances. (think roofing tar) so don't even begin to think about slushing down the rigging while in a marina slip as you will sprinkle not only your deck but your neighbor's decks with sticky, black, tarry gunk. Now, having said all that you might be interested that properly maintained galvanized rigging will out last stainless. Cheers, Bruce Bruce where the hell do you get that idea? spend a couple pennies more and get the better galv. you just described what i do to my standing rigging and mine is all manella and hemp. yes with proper care galv will out last SS but the level of care is not serving the bloody thing. you soak the cable warm for a bit till the grave penetrates the core and then gravy the outside about twice a year. If you want galvanize to last 15 - 20 - 30 years, or longer, then you do it the old fashioned way I described. Otherwise you will be changing the stuff every ten years or so. Hell, I've seen boats rigged with telephone pole cables and cable clips. It works but you get to replace the rigging pretty often. If your standing rigging is all hemp and manila how are you making the terminations? Spliced eyes or served? Cheers, Bruce |
#8
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On Tue, 10 Feb 2009 22:53:24 +0700, Bruce
wrote: If your standing rigging is all hemp and manila how are you making the terminations? Spliced eyes or served? Perhaps deadeyes at the bottom end, so maybe both? My dad could do all the splices. He made a rope ladder, all rope, no wood steps, and not anchored at the bottom. Only a kid trying to get to the tree platform would put up with it. To digress, the mountain climbers have short rope ladders with four inch aluminum steps. Why not a long one and haul it up with a halyard. I guess a bosuns chair is far better, unless you are alone. I believe ladder steps are far cheaper than mast steps. Not marine. I am a coward, and don't want to climb ladders without a harness clipped to a halyard, with someone tending the other end. Casady |
#9
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On Feb 10, 7:53 am, Bruce wrote:
On Mon, 9 Feb 2009 22:45:55 -0800 (PST), Two meter troll wrote: On Feb 9, 10:35 pm, Bruce wrote: On Mon, 09 Feb 2009 23:46:11 GMT, (Richard Casady) wrote: How come stainless cable is more than six times as costly as galvanized, yet nobody uses the galvanized. Stainless the same size has about 80% of the breaking strength. Galvanized is what they guy power poles with. Casady Basically using galvanized wire rope just takes a LOT more maintenance, and a LOT more time to build. If you are doing your own work then perhaps it is more economical, but if you are paying others the it is doubtful The first problem comes when you attempt to locate proper heavy duty thimbles for the eyes. Damned hard to find. Next comes splicing the eyes in the cables. Again, if you can do it yourself and have the tools then go for it but if you are paying rigger's rates then get your wallet ready. Now you have the cables cut, spliced around proper heavy duty thimbles. Next step is to worm, parcel and serve all splices and usually the lower cables up 10 - 15 feet above the deck. Once that is done you need to mix up some slushing and paint the cables, working it well into the wrappings. Now! At last, you can rig the boat. But remember that annually you will need to inspect, replace worn wrappings and re-slush all the cables and slushing is a mixture of tar, oil, Japan dryer and various other arcane substances. (think roofing tar) so don't even begin to think about slushing down the rigging while in a marina slip as you will sprinkle not only your deck but your neighbor's decks with sticky, black, tarry gunk. Now, having said all that you might be interested that properly maintained galvanized rigging will out last stainless. Cheers, Bruce Bruce where the hell do you get that idea? spend a couple pennies more and get the better galv. you just described what i do to my standing rigging and mine is all manella and hemp. yes with proper care galv will out last SS but the level of care is not serving the bloody thing. you soak the cable warm for a bit till the grave penetrates the core and then gravy the outside about twice a year. If you want galvanize to last 15 - 20 - 30 years, or longer, then you do it the old fashioned way I described. Otherwise you will be changing the stuff every ten years or so. Hell, I've seen boats rigged with telephone pole cables and cable clips. It works but you get to replace the rigging pretty often. If your standing rigging is all hemp and manila how are you making the terminations? Spliced eyes or served? Cheers, Bruce depends on where it is. on most they go to the upper dead eye and eye spliced the wormed puddinged out parceled and served then a leather is sewn in and well oiled. the lower dead eyes are strapped and the lanyard is wormed parceled and served as well. each bolt that has a line to it has a thimble and a spliced eye treated the same . this is how my cargo boom mast and stops are set up |
#10
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On Tue, 10 Feb 2009 14:03:10 -0800 (PST), Two meter troll
wrote: On Feb 10, 7:53 am, Bruce wrote: On Mon, 9 Feb 2009 22:45:55 -0800 (PST), Two meter troll wrote: On Feb 9, 10:35 pm, Bruce wrote: On Mon, 09 Feb 2009 23:46:11 GMT, (Richard Casady) wrote: How come stainless cable is more than six times as costly as galvanized, yet nobody uses the galvanized. Stainless the same size has about 80% of the breaking strength. Galvanized is what they guy power poles with. Casady Basically using galvanized wire rope just takes a LOT more maintenance, and a LOT more time to build. If you are doing your own work then perhaps it is more economical, but if you are paying others the it is doubtful The first problem comes when you attempt to locate proper heavy duty thimbles for the eyes. Damned hard to find. Next comes splicing the eyes in the cables. Again, if you can do it yourself and have the tools then go for it but if you are paying rigger's rates then get your wallet ready. Now you have the cables cut, spliced around proper heavy duty thimbles. Next step is to worm, parcel and serve all splices and usually the lower cables up 10 - 15 feet above the deck. Once that is done you need to mix up some slushing and paint the cables, working it well into the wrappings. Now! At last, you can rig the boat. But remember that annually you will need to inspect, replace worn wrappings and re-slush all the cables and slushing is a mixture of tar, oil, Japan dryer and various other arcane substances. (think roofing tar) so don't even begin to think about slushing down the rigging while in a marina slip as you will sprinkle not only your deck but your neighbor's decks with sticky, black, tarry gunk. Now, having said all that you might be interested that properly maintained galvanized rigging will out last stainless. Cheers, Bruce Bruce where the hell do you get that idea? spend a couple pennies more and get the better galv. you just described what i do to my standing rigging and mine is all manella and hemp. yes with proper care galv will out last SS but the level of care is not serving the bloody thing. you soak the cable warm for a bit till the grave penetrates the core and then gravy the outside about twice a year. If you want galvanize to last 15 - 20 - 30 years, or longer, then you do it the old fashioned way I described. Otherwise you will be changing the stuff every ten years or so. Hell, I've seen boats rigged with telephone pole cables and cable clips. It works but you get to replace the rigging pretty often. If your standing rigging is all hemp and manila how are you making the terminations? Spliced eyes or served? Cheers, Bruce depends on where it is. on most they go to the upper dead eye and eye spliced the wormed puddinged out parceled and served then a leather is sewn in and well oiled. the lower dead eyes are strapped and the lanyard is wormed parceled and served as well. each bolt that has a line to it has a thimble and a spliced eye treated the same . this is how my cargo boom mast and stops are set up Which is partially what I was talking about. How much per shroud/stay for a rigger to do all this splicing - serving - parceling -etc plus the annual inspection and re-slushing? As apposed to cutting a length of stainless and either swedging a terminal on the ends, or screwing on a sta-lock fitting. Inspection is a yearly look at the terminals with a magnifying glass. Just as the old cotton sails, the initial motivation is to decrease maintenance. Cheers, Bruce |
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