[Rhodes22-list] silencing internal mast cable slap

[Geankoplis]

Ah Rummy,
	That was a concern (right after doing the job). For $7.50 on sale at
Harbor freight tools, I got a 3/16 fiberglass wire running kit.  Attached a
1/4 inch drill bit and tested the concept on the tomato can lump of foam.
Just manually, it was an easy "drill", probably fix it to work on the
cordless drill too..  Phew! panic solved or at least delayed. 
The pieces make a rod 30 feet long, so long enough to do the job.
Chris G
-----Original Message-----
From: rhodes22-list-bounces at rhodes22.org
[mailto:rhodes22-list-bounces at rhodes22.org] On Behalf Of
R22RumRunner at aol.com
Sent: Monday, July 19, 2010 04:14
To: rhodes22-list at rhodes22.org
Subject: Re: [Rhodes22-list] silencing internal mast cable slap

Chris,
So what will you do when you need to replace or add any wires?
 
Rummy
 
 
In a message dated 7/19/2010 1:49:45 A.M. Eastern Daylight Time,  
napoli68 at charter.net writes:

Hey  Mike,
The cable slap was driving me nuts last year.  My  solution was to
measure the diameter of the nipple on a can of instafoam  drill one size
larger hole into the bottom of an empty tomato can and  "test" how much came
out in a second or two when I pressed the nipple into  the hole. Once I
established the volume released for the time With the mast  laid down I
drilled a series of holes on the front of the mast about 4-5  feet apart.
Stuck the foam can into the holes for the right amount of time  (about 1.5
seconds) and easily and quickly solved the problem.  The  advantage of this
method is that I also compartmentalized the mast so  should I ever take a
really bad knockdown and put the mast under the water  (only happened once 
so
far to me) I won't have the void where the wires are  take up the extra
weight in water.  This last trip no wire slap.   (did have a little IMF tube
rattle, but haven't figured out how to fix  that).  Hopes this helps.

Chris G
Enosis 

-----Original  Message-----
From:  rhodes22-list-bounces at rhodes22.org
[mailto:rhodes22-list-bounces at rhodes22.org]  On Behalf Of Mike Cheung
Sent: Friday, July 16, 2010 15:57
To:  rhodes22-list at rhodes22.org
Subject: [Rhodes22-list] silencing internal mast  cable slap


I read here that folks have used pipe insulation to  silence the "cable 
slap"
from the cables running inside the mast.  I  just put two 6' sections of
insulation onto the radio and masthead light  cables, but that's all I was
able to push on.  I think that the  insulation is hanging up on the bolt for
the spreaders.  I imagine  that if I pull that bolt I'll be able to push 
more
insulation up the  mast.  

My question is: Is it worth it to pull the spreader bolt  or is what I've 
got
in there so far (about 12' of insulation) enough to end  the cable slap?  

As you can tell, I'd prefer to not pull the  spreader bolt if I don't need
to.

Thanks!


-----
Mike  Cheung
s/v Muireann 1993/2008 Rhodes 22
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