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22-09-2008, 09:36
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#1
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Registered User
Join Date: Jul 2006
Location: narragansett
Boat: 45' leopard cat
Posts: 117
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creaking lines
Any one know what the creaking in the lines are? I believe it is the lines stretching and contracting, then transfering to the rigging through the blocks. Does anyone know any tricks to lessen it? I am using low stretch quality dbl braid on the main sheet, when it is reefed it makes alot of noise very annoying on long passages.
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22-09-2008, 09:56
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#2
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Registered User
Join Date: Jun 2004
Location: Brighton, UK
Boat: Privilege 37
Posts: 3,720
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Change a line to dyeneema and see if that helps - It should not stretch anything except your wallet.
__________________
"Be wary of strong drink. It can make you shoot at tax collectors - and miss."
Robert A Heinlein
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22-09-2008, 10:50
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#3
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Senior Cruiser

Join Date: Mar 2006
Location: San Diego
Boat: Passport 47 CC
Posts: 467
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Quote:
Originally Posted by ub1
Any one know what the creaking in the lines are? I believe it is the lines stretching and contracting, then transfering to the rigging through the blocks. Does anyone know any tricks to lessen it? I am using low stretch quality dbl braid on the main sheet, when it is reefed it makes alot of noise very annoying on long passages.
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Mine do the same and I have found that it is the salt in the air that makes the lines creak. I am not sure if this is accurate, but I do know everytime I hose the lines down with fresh water (after I soaked them in a 5 gallon bucket and cleaned them, that they would remain quiet for 2-3 weeks.
Try giving them a bath in fresh water.
Michael
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22-09-2008, 11:03
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#4
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Registered User
Join Date: Feb 2007
Location: Caribbean
Boat: Jeanneau 57
Posts: 2,219
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Clean the lines, then let them soak overnight in fabric softener. That will make them pliable, lessen creaking and they sure will smell good, too.
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22-09-2008, 12:25
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#5
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Senior Cruiser

Join Date: Mar 2003
Location: Thunder Bay, Ontario - 48-29N x 89-20W
Boat: (Cruiser Living On Dirt)
Posts: 47,893
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Quote:
Originally Posted by MV
Mine do the same and I have found that it is the salt in the air that makes the lines creak. I am not sure if this is accurate, but I do know everytime I hose the lines down with fresh water (after I soaked them in a 5 gallon bucket and cleaned them, that they would remain quiet for 2-3 weeks.
Try giving them a bath in fresh water.
Michael
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Since Sodium Chloride (Salt) has a very low vapor pressure, and will not evaporate or sublime except at exceedingly high temperatures; I don’t expect that sea air would be normally “salty”. Accordingly, in benign conditions, we shouldn't experience "salt air".
However, the action of wind & waves can throw very tiny droplets of salt water into the air. When the salt-water evaporates, it leaves nano scale particles of sodium chloride dispersed in the air, which could condense on your lines.
As Michael suggests, a vigorous fresh-water rinse should cleanse them.
__________________
Gord May
"If you didn't have the time or money to do it right in the first place, when will you get the time/$ to fix it?"
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22-09-2008, 12:32
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#6
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Senior Cruiser

Join Date: Mar 2006
Location: San Diego
Boat: Passport 47 CC
Posts: 467
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Quote:
Originally Posted by GordMay
Since Sodium Chloride (Salt) has a very low vapor pressure, and will not evaporate or sublime except at exceedingly high temperatures; I don’t expect that sea air would be normally “salty”. Accordingly, in benign conditions, we shouldn't experience "salt air".
However, the action of wind & waves can throw very tiny droplets of salt water into the air. When the salt-water evaporates, it leaves nano scale particles of sodium chloride dispersed in the air, which could condense on your lines.
As Michael suggests, a vigorous fresh-water rinse should cleanse them.
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At what point do droplets become vapor?
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22-09-2008, 14:27
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#7
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Senior Cruiser

Join Date: Mar 2003
Location: Thunder Bay, Ontario - 48-29N x 89-20W
Boat: (Cruiser Living On Dirt)
Posts: 47,893
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Quote:
Originally Posted by MV
At what point do droplets become vapor?
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Liquid droplets become Gaseous Vapour when they Vapourize, or Evapourate; generally under highly elevated temperatures.
__________________
Gord May
"If you didn't have the time or money to do it right in the first place, when will you get the time/$ to fix it?"
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22-09-2008, 14:47
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#8
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Senior Cruiser

Join Date: Oct 2007
Location: San Antonio, TX/Bocas del Toro, Panama
Boat: 1990 Macintosh 47, "Merlin"
Posts: 2,827
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Dittos on the fresh water rinses and then a soak in water with a bit of fabric softener.
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22-09-2008, 17:20
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#9
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Registered User
Join Date: Oct 2005
Posts: 6,190
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Sometimes the lines aren't adjusted properly. If you've got all the lines lack and one of them is creaking incredibly, bringing the others in to help will reduce the shock loading on the one.
Sometimes you can make it so that the aft lines (if you sleep in the bow) are the ones doing most of the work, etc.
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