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Subject: [worldcruising] Wiring inside masts
From: GB (graham.bannister@XXX.XXX)
Date: Wed Jul 24 2002 - 04:55:13 EDT
Thanks to all those who responded to my recent query about rigging
tensions. Some very interesting and informative comments. I will be
looking out for a discount copy of Brion Toss' book at the Sydney Boat
Show next week.
I must now admit that we are a little way off actually adjusting the
tension.
We pulled the mast last week and managed to transport it to our house
courtesy of a devious support structure constructed from 2 x 4 lumber
mounted on a box trailer behind our car. We don't live very far from
the jetty. I wouldn't have believed an 11.25m mast would weigh so much.
It weighs less now as we have stripped everything off that it moveable
and is sitting on trestles in the garden.
The main reason for taking it off was the masthead fitting in which the
sheaves had securely seized themselves and defied all attempts by
bosun's chair and various penetrating oils to free them.
While we have the mast off we will re-rig. Hence the (perhaps
premature) questions about rig tensions. The existing s/s rigging was
installed in 1979 far as we can tell.
A previous owner had installed a VHF aerial with the wire clipped to the
outside of the mast. We want to run this internally and make provision
for HF while we're at it. We'd also like to fit a masthead tricolour so
will need to add some wiring for that. I don't think our budget will
stretch to flash electronics at the masthead.
Does anyone having any hints/references for in-mast wiring? I recall
seeing somewhere that wiring should be installed in a conduit. But what
stops the conduit form flopping about inside the mast?
The mast is painted and in need of a new coat. Someone suggested that
we just rub it back to bare aluminium and leave it at that. We are
worried that if we do that then any anodising will be destroyed and
corrosion will run rampant.
Any views, suggestions, comments etc on the foregoing would be greatly
appreciated.
Graham and Lesley Bannister
s/v Southern Aura
Australia
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