Thanks Frank for the dead weight reminder...
---- donovanf@starpower.net wrote:
> Don't forget that you must comply with the dead weight capacity of your
> tilt-over tower. This is important, a nearby ham failed to comply with the
> dead weight specification and his Heights fold-over tower collapsed as he
> tilted it up. His mistake? He forgot to count the weight of his Heliax
> feedlines!
>
> Everything you add to your tower must be counted against the dead weight
> specification, including all cables, masts, rotators and other accessories.
> Give serious consideration to using an aluminum mast and light weight
> antennas, feedlines and control cables.
>
> Its especially important to minimize every pound of weight above the top of
> the tower (i.e., mast and antennas and feedlines). Every pound above the top
> of the tower adds very significantly to the moment on the lower tower
> sections and the tilting base.
>
> 73
> Frank
> W3LPL
>
> ---- Original message ----
> >Date: Thu, 14 Aug 2008 5:11:25 -0700
> >From: Dennis <radioart@charter.net>
> >Subject: Re: [TowerTalk] Heights Towers Aluminum??
> >To: W3OA <w3oa@roadrunner.com>, towertalk@contesting.com
> >
> >Thanks for taking the time to respond Dick.
> >
> >Very good input on some of the issues I would be faced with. How do you
> >rotate the antenna at 40' or is it stationaly? Isn't there some kind of
> >ring assembly for rotating antennas on the sides of towers?
> >
> >Thanks Dick, Dennis, k0eoo
> >
> >
> >---- W3OA <w3oa@roadrunner.com> wrote:
> >> Hi Dennis -
> >>
> >> I have a 60' Heights tower with a fold-over kit and 10 feet of mast out
> >> the top.
> >>
> >> It's been up for 5 years now and I'm very happy with it.
> >>
> >> You do need to watch how big an antenna you put on it. If the antenna
> >> is too large you won't be able to lower the tower far enough to work on
> >> most of the antenna from the ground. I suppose that's obvious but it's
> >> a trade I thought about for a long time before I decide to get a
> >> fold-over tower. I ended up with two Force 12 C-4s, one at 40 feet and
> >> one at 70 feet. I can reach the feed points using an 8 foot step ladder.
> >>
> >> Another gotcha I found out through experience is that rotor brakes that
> >> hold an antenna just fine when the tower is up may not hold the antenna
> >> in position as the tower rotates down. The antenna, of course, wants to
> >> rotate so its heavy end is pointed down and the break may not hold it in
> >> any other position. This can be an even bigger problem with side
> >> mounted antennas.
> >>
> >> I'd do it again 'cause I don't want to climb a tower.
> >>
> >> Good Luck - Dick, W3OA
> >>
> >> Message: 6
> >> Date: Mon, 11 Aug 2008 20:46:23 -0500
> >> From: "Dennis Petrich" <radioart@charter.net>
> >> Subject: [TowerTalk] Heights Towers Aluminum??
> >> To: <towertalk@contesting.com>
> >> Message-ID: <A577548AEF344F668DEB831F901180B9@D5V7GZF1>
> >> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
> >> reply-type=original
> >>
> >> Hello all who have aluminum towers.
> >>
> >> I am thinking of putting up the tilt-over self supporting aluminum tower
> >> from Heights Towers. This one is 69' with the tilt-over kit and is rated
> >> at
> >> 21sq' at 80mph. and will take a 12' mast. I will be putting up 15sq' of
> >> antenna.
> >>
> >> Anyone of you have experence with such a thing?? The whole tower tilts
> >> over
> >> so you can work on the antenna from the ground, an idea I like very much.
> >> You can see it on their web page.
> >> http://www.heightstowers.com/fold_over_kits.htm
> >>
> >> Thanks in advance for your comments
> >>
> >> Dennis, k0eoo
> >>
> >> >
> >>
> >> _______________________________________________
> >>
> >>
> >>
> >> _______________________________________________
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> >> TowerTalk@contesting.com
> >> http://lists.contesting.com/mailman/listinfo/towertalk
> >
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> >
> >
> >
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