1400 lbs is significantly lower than the 3/16' galvanized wire rope sold by
McMaster Carr. Their 3/16" is rated at 4200 lb!!! Don't buy that stuff at
HD, just go to McMaster-Carr, call them and place your order. You'll have
it at your door in 48 hours and for less $$$
Bob W6TR
----- Original Message -----
From: "AI2C - Norm Styer" <ai2c@earthlink.net>
To: <n2tu@roadrunner.com>; <k2qmf@juno.com>; <towertalk@contesting.com>;
<K7LXC@aol.com>; <KJ6Y@aol.com>; "Bob Maser" <bmaser@tampabay.rr.com>
Sent: Wednesday, November 01, 2006 10:50 PM
Subject: Re: [TowerTalk] Winch cable for a LM354
> Well, I just changed out the cable on my 29-year old LM-354 for the first
> time yesterday. This tower was new in 1977 and made by Tri-Ex at Visalia
> on
> the West Coast. The original tower raising cable from 1977 was 1/4-inch 7
> x
> 19 SS aircraft cable. Although the original cable had a fair coat of rust
> from the old steel boom-to-mast plate on the TB-6EM that bleed down
> through
> the tower, the 29-year old SS looked 'original' inside. I replaced it with
> zinc coated '7x19 constr' cable by Cooper (Made in China) from Home Depot.
> The working load limit is specified at 1400 pounds.
>
> The old (like new on the winch drum) SS cable and new cable are exactly
> the
> same thickness between two metal bars.
>
> I am at a loss as to where the 3/16-inch cable size is required.
>
> I went through my 1977 purchase file, shipping list, and specs on the
> tower
> and the only cable size noted was 3/16-inch 24-foot cable shipped for use
> with 'Fulton Load-Lok' Winch Model 945A on the tilt-over fixture. There
> is
> no reference to the tower raising cable size in any of the Tri-Ex
> material.
>
> The new 1/4-inch stuff looks great in all the pulleys. I pulled all pulley
> wheels and checked for wear and lubed them - they spin like a top; I found
> no looseness or binding.
>
> There's some Cable 101 info at:
>
> http://www.bergencable.com/technology/technology_cable101.html
>
> Should I worry?
>
> Should I spring for some SS at $2.05 per foot at Home Depot?
>
> Best Regards, Norm Styer - AI2C
>
> May The Morse Come To You !!!
>
> NNNN
>
> ----- Original Message -----
> From: "Bob Maser" <bmaser@tampabay.rr.com>
> To: "Bob Maser" <bmaser@tampabay.rr.com>; <KJ6Y@aol.com>; <K7LXC@aol.com>;
> <towertalk@contesting.com>; <k2qmf@juno.com>; <n2tu@roadrunner.com>
> Sent: Wednesday, November 01, 2006 8:44 PM
> Subject: Re: [TowerTalk] Winch cable for a LM354
>
>
>> BTW, the specs on the LM 354 Tri-ex tower specifies 3/16" x 7 x 19
>> aircraft
>> cable NOT 1/4". Look it up in Google under LM 354 Tower Specs. It is
>> the
>> first hit on Google.
>>
>> Bob
>> ----- Original Message -----
>> From: "Bob Maser" <bmaser@tampabay.rr.com>
>> To: <KJ6Y@aol.com>; <K7LXC@aol.com>; <towertalk@contesting.com>;
>> <k2qmf@juno.com>; <n2tu@roadrunner.com>
>> Sent: Wednesday, November 01, 2006 8:31 PM
>> Subject: Re: [TowerTalk] Winch cable for a LM354
>>
>>
>>> Why does the LM354 use 1/4" when the LM470 use 3/16"? I've recabled 3
>>> of
>>> these LM470 towers and the cable replaced was 3/16". SS cable is weaker
>>> and
>>> costs over 40% more.
>>>
>>> Bob W6TR
>>> ----- Original Message -----
>>> From: <KJ6Y@aol.com>
>>> To: <K7LXC@aol.com>; <towertalk@contesting.com>; <k2qmf@juno.com>;
>>> <n2tu@roadrunner.com>
>>> Sent: Wednesday, November 01, 2006 7:46 PM
>>> Subject: Re: [TowerTalk] Winch cable for a LM354
>>>
>>>
>>>> LM-354 uses 1/4 in cable. Stainless is OK.
>>>>
>>>> Skip, KJ6Y
>>>> _Communications Service Co_ (http://members.aol.com/kj6y/skip.html)
>>>> 818-887-3569
>>>>
>>> http://lists.contesting.com/mailman/listinfo/towertalk
>>
>> _______________________________________________
>
>
> _______________________________________________
>
>
>
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