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Aluminum towers

To: <>
Subject: Aluminum towers
From: (
Date: Tue, 11 Feb 97 13:40:27 PST
First of all, thanks to K0RC for some very useful info.

Secondly, my third tower is a 105' Heights aluminum free standing. I don't care 
what anyone
says, that sucker is guyed at 3 levels with Phillystrand. After erecting the 
tower, and I 
used coax seal around every joint, covered by tape, I drilled 3 small 1/8" 
holes in each leg
at the concrete base...In spite of everything, water still got inside, but in 
very small bought three of those "waterpipe" heaters ( about 3 feet 
long ) and
wrapped them around the bottom three feet. An outdoor thermostat connected to a 
relay will 
automatically turn on the 3 heaters whenever the temp drops to 32+/-. and will 
remain so until
the thermostat turns off. Incidentally, before putting the base section on, I 
filled all legs
of the tower with concrete up to about 1" below the holes. I still have to 
clean out the holes
occasionally, but no problems with fractures. Of course, we don't get those sub 
zero temps
like some of you do, but this works and I'm sure the idea can be improved.

Finally, my #3 is a 75' Rohn 25 used for a 3 element 40...One morning about a 
week or so
after putting it up, I found a rather sharp indentation in one of the 
legs....sorta like what
you would get if you really hauled off and hit it with an ax...Off to home 
depot, and back with
a piece of steel pipe which had an id a little less than the od of the leg. 
Took a 1 foot
section, split it in two with a carbide blade, and strapped it across the 
damage with muffler
clamps, tightened, and that leg straigtened out like a charm. 3 heavy duty 
muffler clamps now
hold the section, and the tower is steady as a rock...

Finally finally, the alum tower was originally hinged at about the 30 foot 
lever...I had the
hinges sandblasted, primed, and repainted, and they are now taking up space in 
my junk room..
If anyone wants them, they're yours for the asking....they can be easily 
modified to Rohn

73, Ed

Name: Ed Sleight
To: <>
Date: 2/11/97
Time: 1:40:27 PM

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