TT:
I believe Chris intended this for the entire reflector to see.
Chris:
As you can tell from my posting, I've had some experience with Trylon
professionally as well as in my Amateur station. They're a Canadian
manufacturer: http://www.trylon.com . My 64-foot tall, self-supporting tower
in my back yard was cost-effective for my purposes.
73 de
Gene Smar AD3F
-------------- Forwarded Message: --------------
From: Chris Bolton <cbolton@gtmc.net>
To: ersmar@comcast.net
Subject: Re: [TowerTalk] Free standing tower advice neededT
Date: Thu, 16 Mar 2006 05:22:08 +0000
> Tony
> I have built a lot of two way radio towers ranging from 70' to about
> 450' tall. All of the towers were made by Sabre communications and they
> are real easy to deal with and the towers are very well made. They might
> be a little more in price but the quality so far is the best I've seen
> yet. They also sell any mount that you might need. Here is there website
> http://www.sabrecom.com/ I have built other towers made by other company
> and none of there towers compare to a tower from Sabre in my opinion.
> Please let me know which route you go. I have never heard of the tower
> company that Gene Smar suggested. But I'm always on the look out for
> good tower manufacturers.
>
>
> Chris Bolton
>
> ersmar@comcast.net wrote:
> > Tony:
> >
> > We used commercial Trylon self-supporting towers for ALL of our cell
> > sites on a project I worked on in Haiti. I believe they are all still
> > standing after fours hurricane seasons. These monsters had a ground-level
> > dimension of about 25 feet square.
> >
> > But assuming you don't wish to pay commercial prices, the Trylon T-500
> > series might work, but it depends. You'd have to do the math to determine
> > if the planned 40M Yagi represents an excessive wind load for the
> > structure.
> > You can use the tool at http://www.trylon.com/lightdutytowers/towercalc.asp
> > and give it a try. My guess is that the T-400 series of Trylon Titans will
> > be undersized for the loading from the wind on a 402CD, but that's just my
> > guess. Use the tool for a more rigorous analysis. You might even look at
> > a
> > 64-foot T-600 series for a bit more load capability at a lower height.
> >
> > Trylon also sell rock bolts for their Titan series of towers. These
> > things are, I believe, five feet long and are epoxied into place. They
> > also
> > sell side mounts for things like microwave dishes and - maybe -
> > side-mounted
> > Yagis, as well as safety rails, work platforms, etc.
> >
> > As you might recall, I built a T-500-64 in my back yard in 2001 and,
> > given an opportunity, I would select Trylon for another SS here. I had it
> > shipped to me knocked down to save a few $ on shipping. When it arrived,
> > all the pieces and hardware were strapped onto a pallet five feet square.
> > Height of the package was about a foot. Pretty small (900+ lbs, though.)
> > Constructing it wasn't all that difficult. I managed to build the entire
> > thing myself, stick-building the upper sections as I hauled up the pieces
> > on
> > ropes. And it's still up in the air today, in the presence of 50 mph winds
> > here in the DC area today.
> >
> > 73 de
> > Gene Smar AD3F
> >
> >
> > ----- Original Message -----
> > From: "N2TK, Tony" <tony.kaz@verizon.net>
> > To: "Towertalk (E-mail)" <towertalk@contesting.com>
> > Sent: Wednesday, March 15, 2006 3:44 PM
> > Subject: [TowerTalk] Free standing tower advice needed
> >
> >
> >> We have an opportunity at WP2Z to put up another tower. The owner of the
> >> house would like it to be free standing. We would like to put up a 70'
> >> tower
> >> so we could raise the height of the 40M beam (Cushcraft 402CD is presently
> >> at 35'). Also it would give us a higher support for 80 and 160M wire
> >> antennas. The only experience I have had with free standing towers is the
> >> 35' aluminum Universal tower that is holding a C3E. It used to be 45' high
> >> till a hurricane several years ago came along and ripped off the top 10'
> >> along with the tribander and rotor and proceeded to deposit it in small
> >> pieces a few hundred yards away.
> >> WP2Z is at 900' - one of the highest points on the island. And we are on
> >> solid rock. So it will be fun to get a base dug. This QTH gets high winds
> >> a
> >> lot. We have trouble keeping any kind of tribander on the one tower due to
> >> the high updraft that occurs almost every night. The new tower will be
> >> about
> >> 100' away where the updraft doesn't typically occur.
> >>
> >> Besides the 40M beam at the top and some low band wires I would like to
> >> sidemount a couple tribanders - one fixed on US/Asia and one fixed on
> >> Europe. We would continue to use a rotating tribander on one of the other
> >> towers.
> >>
> >> My questions to the group are:
> >> - Am I foolish to try to put up a 70' free standing tower at such a
> >> location?
> >> - If not what's recommended for this kind of environment especially being
> >> so
> >> close to salt water? I was looking at Universal Towers HD21-70, Trylon
> >> T500-72, T400-72, AN Wireless HD-70. Are these overkill or fine or
> >> substandard?
> >>
> >> I realize that during a hurricane all bets are off no matter what we can
> >> put
> >> up that is reasonable.
> >>
> >> Tnx for any feedback. Trying to upgrade the contest station there to help
> >> especially with our low band signal. Having both towers at only 35' is not
> >> the best. Glad the owner is receptive to a new tower.
> >>
> >> 73,
> >> N2TK, Tony
> >>
> >>
> >> _______________________________________________
> >>
> >>
> >>
> >> _______________________________________________
> >> TowerTalk mailing list
> >> TowerTalk@contesting.com
> >> http://lists.contesting.com/mailman/listinfo/towertalk
> >
> > _______________________________________________
> >
> >
> >
> > _______________________________________________
> > TowerTalk mailing list
> > TowerTalk@contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
> >
> >
>
_______________________________________________
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
|