[TowerTalk] Tower Re-Cabling

Al Kozakiewicz akozak at hourglass.com
Sun Jun 17 16:51:21 PDT 2012

The problem with the 300 series stainless steels is that they cannot be heat treated.  Using the McMaster-Carr website, compare 316 7x19 with galvanized steel.  For a given diameter, it's about half the strength.


-----Original Message-----
From: towertalk-bounces at contesting.com [mailto:towertalk-bounces at contesting.com] On Behalf Of Grant Saviers
Sent: Sunday, June 17, 2012 6:51 PM
To: Mike Ryan
Cc: towertalk at contesting.com
Subject: Re: [TowerTalk] Tower Re-Cabling

316 stainless is a good choice for corrosive environments.  Some sailboat makers use it for rigging and good boatyards may stock it and certainly will have swaging equipment and fittings if you can get the cables premade.  Otherwise, Nicropress fittings are a good choice and you can probably rent the tools.

see  http://www.mcmaster.com/#standard-wire-rope/=i0spqf   for one supplier

7x19 strand core is preferred for running over sheaves.

Grant  KZ1W

On 6/17/2012 1:01 PM, Mike Ryan wrote:
> While this subject has no doubt been covered at some juncture in the 
> past, I will ask it again since I have personal and immediate interest 
> in the answers as well as a friend who is about to put up a similar tower.
>    My HyGain HG-70 needs new cables. Those on the tower now are 
> galvanized and as I recall these were recommended over stainless 
> steel.  The tower uses TWO 1/4 cables for the bottom and middle 
> section with ONE 3/16" cable for the top section. Are there degrees of 
> durability, quality, longevity, with respect to these cables?  I am 
> not talking about walking into Harbour Freight or Home Depot and 
> buying some imported stuff. And there are local shops that can make 
> them to length with the nico-pressed  ends.  But beyond that, what is 
> the best cable to use and is there a dealer where these are available 
> that one can rely on getting quality cables that will last 5-7 years 
> in a salt water/air environment such as here in Florida?  Thanks in 
> advance...  - Mike
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