In a message dated 99-03-16 18:16:08 EST, brunet@us.ibm.com writes:
> Our club is evaluating a Hazer system vs. the cost of paying a professional
> to climb the tower when maintenance is needed. We are rebuilding a
> TailTwister and a KT34XA prior to installation. Since the tower is on our
> employer's roof we will not be allowed to climb it. What is an estimate as
> to the number of times a tower would need to be climbed over a ten year
> period for top of tower maintenance? With that estimate we should be able
> to determine the cost of a climber vs the cost of a Hazer.
Hmm, interesting question - a TowerTalk first!
An annual inspection is highly recommended so add that to your
equation. It shouldn't take more than an hour or so; two is probably pushing
it.
I usually estimate rotator service life in the 6-7 year range (YMMV) so
you might put in a rotator swap sometime in the next ten years. If everything
is installed properly including weatherproofing, I wouldn't expect any other
problems.
Generally, my recommendation would be to skip the Hazer - more
mechanical complexity to possibly fail but you didn't include any other
details to consider (windspeed zone, tower type and height, etc.).
Cheers, Steve K7LXC
--
FAQ on WWW: http://www.contesting.com/towertalkfaq.html
Submissions: towertalk@contesting.com
Administrative requests: towertalk-REQUEST@contesting.com
Problems: owner-towertalk@contesting.com
Search: http://www.contesting.com/km9p/search.htm
|