What would be very helpful is to have forensic reports for any crank up
towers/cables/winches that have failed. One was recently reported on TT
and I've heard of others in the past.
What fails and why?
On 12/5/2011 4:49 PM, Ray Benny wrote:
> I've had an old Tristao 71 ft tower up for more that 30 years and have
> always stopped/parked it at its upper limit. There are also limit switches
> that stop it if I try to go further. Because of winds, I may
> raise/partially lower it 2 or 3 times a week.
> On small work-over oil rigs, they do "slip the cable" (cut about 10 - 20
> ft) often to move the wear spots. But that is when a cable is worked/cycled
> maybe 200 - 300 times a day.
> I've never heard of a cable failing as mentioned on ham towers. I do agree
> that it is a good idea to keep your cable lubricated to keep rust/corrosion
> from forming internally.
> On Mon, Dec 5, 2011 at 4:09 PM, Larry WA9VRH<firstname.lastname@example.org> wrote:
>> Hi Steve,
>> I concur with you as my US tower has been up for 16 years. I live in
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