[Rhodes22-list] silencing internal mast cable slap

Geankoplis napoli68 at charter.net
Tue Jul 20 11:54:33 EDT 2010


Rumster,
	Good Idea.  That got me thinking that perhaps some flexible 5/8
plastic irrigation tubing placed in 1st and then foamed in might take care
of all the concerns.  Well either way there are lots of ways to skin and eat
a cat.
Chris 

-----Original Message-----
From: rhodes22-list-bounces at rhodes22.org
[mailto:rhodes22-list-bounces at rhodes22.org] On Behalf Of
R22RumRunner at aol.com
Sent: Tuesday, July 20, 2010 04:35
To: rhodes22-list at rhodes22.org
Subject: Re: [Rhodes22-list] silencing internal mast cable slap

Chris.
It is possible that you might be able to attach any new wires to an  
existing wire and pull it through. To much forethought would have to go into
such 
an operation for me to try it. I adhere to the KISS system.
 
Rummy
 
 
In a message dated 7/19/2010 3:06:29 P.M. Eastern Daylight Time,  
napoli68 at charter.net writes:

Rummy,
You have a point on your concerns, but what the heck I'll  just make sure I
don't have to add or replace any wires. (don't ask  how).  It might be
interesting this fall to see if I can make a small  channel in the foam
bulkheads.  The holes do no measurable harm I  think to the mast.  I agree 
it
is weird to drill any holes, kinda of  hard to undo.

Chris

-----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  11:14
To: rhodes22-list at rhodes22.org
Subject: Re: [Rhodes22-list]  silencing internal mast cable slap

Sorry Chris, but this is one idea I  can't agree with. A 30' drill bit is  
not controllable. I still like  the foam pipe insulation the best. I also 
don't  like drilling holes  into a very expensive piece of extruded  
aluminum.


Rummy


In a message dated 7/19/2010 2:08:01  P.M. Eastern Daylight Time,  
napoli68 at charter.net  writes:

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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