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Old 15-06-2006, 05:49   #1
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Location: Slidell, Louisiana, USA
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Wiring inside the mast

We have an older mast without the neat extrusions designed to accomidate a PVC tube channel. The wires are just loose in there and make a terrible noise while at anchor. We had the same problem with our last boat and installed a PVC tube with pop rivets. What a job.

Has anyone heard of using those small tubes designed to insullate plumbing in the cold months outside to just run up the already installed wires.

I spoke to someone at the yard where we are hauled, who was doing a rewiring job on a newer mast, who indicated that it seemed to him that it would work and probably be a major improvement.

I was thinking of trying it by taping the six foot sections together as the were pushed up to the top. I think I have room for two tubes, one to the masthead and a second to the steaming light height.

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Old 15-06-2006, 06:26   #2
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Sounds like a neat approach - IF the friction will allow you to push the tubes up far enough. Could be like trying to push a rope....

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Old 15-06-2006, 06:32   #3
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No first hand knowledge, but I've been told others have done that, with good results.
Ontario 32 - "Aria"

Within a dream, we may find a fantasy,
But never within a fantasy, will we live a dream.
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Old 15-06-2006, 07:18   #4
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Bundle the in-mast wires with wire ties (Ty-Wraps), with the tails left long. The tails should be oriented at about 120 degree offsets, so that the long tails contact the inside of the mast at varying positions around itís diameter.
The Ty-Wrap tails help keep the wiring centred in the mast, with enough flexibility that internal halyards are not adversely affected.
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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Old 15-06-2006, 08:58   #5
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I like Gord May's solution but it does require take the wire out to do it. Not sure if the pushed on conduit solution will work but I would try it on my own boat. What about taking a fish tape and putting it down the mast to help the conduit up?
Fair Winds,


Between us there was, as I have already said somewhere, the bond of the sea. Besides holding our hearts together through long periods of separation, it had the effect of making us tolerant of each other's yarns -- and even convictions. Heart of Darkness
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