[TowerTalk] Crank up tower comparison
Thu, 16 Mar 2000 12:25:15 -0700
Tri-Ex and you have done tower owners a service with this posting. Luck. Stu
At 02:00 PM 3/16/00 -0500, you wrote:
>We have elected to answer Dan, N5AR's e-mail to Towertalk directly so
>any interested parties can review the response.
>In attempting to answer the questions for Dan we thought it would be
>advantageous if we forwarded his questions directly to Tri-Ex and
>have management respond especially since a couple of areas touched
>on were quite important and perhaps misunderstood.
>The response from Tri-Ex came in the form of a fax
>from Robert Vargas who has been for 30 years a most important member
>of the manufacturing team working his way up to the title of Executive
>Vice President of production. Here is the response word for word from
> My name is Robert Vargas, and I have been in the tower business
> for over 30 years. More specifically, I have manufactured the
> Tri-Ex Towers during this period. If I may, I would like to
> clarify the design of the Tri-Ex Tower.
> 1. The Tri-Ex slide design is a very unique design to enable
> the sections to telescope with low friction. The slides are
> NOT made of plastic; rather the tube is formed on each end with
> a special die. On the larger outer sections however Tri-Ex uses
> aluminum rollers for ease of operation so the sections will have
> no difficulty sliding.
> 2. Regarding the tubing used in the fabrication of the Tri-Ex
> Tower, tubing is a high grade mechanical tube that is not
> available from normal tubing stock, further it is required to
> purchase mill runs in order to maintain the needed strength
> and maintain Tri-Ex standards. The use of these materials
> enable the Tri-Ex Towers to remain light in weight and yet have
> a high wind load rating.
> 3. Regarding the questions on the Tri-Ex lift cables. Tri-Ex
> uses a single lift cable to the winch with a multiple pulley
> system for mechanical advantage and less cable stress on the
> main raising cable. In addition, on all remaining sections a
> cable system is used on all three faces of tower to lift the
> tower evenly.
> Robert Vargas
>We hope the above answers the questions on the operation of the Tri-Ex
>towers. Since January, 2000 there has been a whole new of look of the
>Tri-Ex telescoping towers. A lot was done and we invite everybody to
>look at the new web site <<www.firstcallcom.net>> as it is loaded with
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