John,
You hit the nail on its head.
I would rather want one 180ft rotating Rohn 55 tower than mess with 4 crank up
towers but I had to chose between continuing climbing towers or respecting my
family's request to stop climbing towers.
I know I made right choice as this is only a hobby for me.
73
NJ0F
Sent from my iPhone
On Jun 15, 2013, at 12:44 AM, Steve Dyer <w1srd@yahoo.com> wrote:
> Yes, environment matters and should be taken into consideration for any
> maintenance.
> Yes, a free standing tower doesn't have this issue -- but then those of us
> who do have crank-ups usually do for a reason.
>
>
>
>
> ________________________________
> From: "john@kk9a.com" <john@kk9a.com>
> To: TOWERTALK@contesting.com
> Cc: kr5dx@yahoo.com
> Sent: Friday, June 14, 2013 3:50 PM
> Subject: Re: [TowerTalk] How to apply lube to HDX589
>
>
> I am sure that even with no maintenance the cables will last significantly
> longer than three years in most installations. Cable breakage can destroy
> your tower and antenna so this is something that needs to be monitored. If
> you are in a corrosive environment the cables may not last three years.
> P49MR had the cable break twice on his U.S. crank up tower and I do not
> think that they lasted even three years in Aruba A few years ago he
> replaced the crank-up with an AN Wireless free standing tower and has had no
> problems since.
>
>
>
>
> ----- Original Message -----
> From: "Andre VanWyk" <kr5dx@yahoo.com>
> To: "Steve Dyer" <w1srd@yahoo.com>
> Cc: <john@kk9a.com>; <towertalk@contesting.com>
> Sent: Thursday, June 13, 2013 17:38
> Subject: Re: [TowerTalk] How to apply lube to HDX589
>
>
> Well I never heard of a crank up tower that failed because the cables were
> not lubricated PROVIDING manufacturer guidelines are followed and cables are
> changed when required.
>
> I think we as hams tend to both try to reinvent the wheel too many times. If
> it ain't broken, don't fix it!
>
> NJ0F
>
> Sent from my iPhone
>
> On Jun 13, 2013, at 11:41 AM, Steve Dyer <w1srd@yahoo.com> wrote:
>
>> K7LXC breaks the prime directive for lubricating crank-up cables. He sells
>> Prelube 6 on his site and recommends using it. And yes, any professional
>> user of wire rope always lubricates their cables on a regular
>> maintenance/inspection schedule.
>> It baffles me why anyone would not lube the cable with the *proper*
>> lubricant since the cable is THE critical link in a crank-up.
>> It's a testament to how well the cable holds up that more failures haven't
>> occurred. That and it's way over-sized to the load.
>> 73,
>> Steve
>> W1SRD
>>
>>
>>
>>
>> ________________________________
>> From: "john@kk9a.com" <john@kk9a.com>
>> To: towertalk@contesting.com
>> Sent: Thursday, June 13, 2013 7:12 AM
>> Subject: Re: [TowerTalk] How to apply lube to HDX589
>>
>>
>> Lubricating the cable does go against the K7LXC prime directive. US towers
>> recommends replacing the cable every three years.
>>
>> Most wire rope is lubricated during manufacturing. Lubrication does two
>> things:
>>
>> Reduces friction as the individual wires move over each other.
>>
>> Provides corrosion protection and lubrication in the core and inside wires
>> and on the exterior surfaces.
>>
>> If I owned a crank-up tower I would keep the cables lubricated and only
>> change them if there was noticeable corrosion or broken strands .
>>
>> John KK9A
>>
>>
>>
>> To: Bryan Swadener <bswadener@yahoo.com>
>> Subject: Re: [TowerTalk] How to apply lube to HDX589
>> From: Andre VanWyk <kr5dx@yahoo.com>
>> Date: Wed, 12 Jun 2013 22:45:37 -0400
>>
>>
>> I am missing something here as US Tower advises against lubricating
>> cables.
>>
>> What are you gaining by lubricating cable? I my opinion if a un-lubricated
>> galvanized cable shows signs of rust, it is time to replace it.
>>
>> 73's
>> NJ0F
>>
>> _______________________________________________
>>
>>
>>
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