Additional info: Weighed one 20-ft section today and it was 275 lbs.
Thickness of the vertical "V" members is approximately 5/32".
73/Jon AA1K
At 12:47 AM 4/6/97 -0500, you wrote:
>OK game show contestants, here are your clues:
>
>20-foot sections, triangular, bolt-together construction, galvanized.
>19-inches on a face.
>
>The three vertical elements in each section are made of V-shaped steel, with
>the bottom of the "V" flattened out. The V is 2 inches on the sides, one
>inch on the "bottom". The bottom of each leg is swaged out to go around the
>top of the section below it. There are 10 bolt holes at the end of each leg
>for mating with the next section; four holes in the flattened-bottom of the
>"V" and three holes on each side. I neglected to write down the thickness of
>these pieces but I think they are 1/4 inch thick.
>
>There are horizontal angle-iron pieces every 23.5 inches. Each of these is
>18 inches long, 1 1/4" wide, 1/8" thick. The horizontal members are on each
>face of the tower (not just steps on one side).
>
>There are diagonals forming an X on each face, crossing over from one
>horizontal member to the next. These diagonals are flat galvanized steel, 1
>1/4" wide by 1/8" thick.
>
>Guy wire connections are made to U-shaped brackets made of 1/2" round steel.
>The tips of the "U" are bent back in toward each other and welded to a
>28"-long, V-shaped piece of steel of the same design as the vertical tower
>elements. This steel is nested on the inward side of the vertical tower
>elements and bolts to them with the bolts used to hold the horizontal and
>diagonal tower elements. The U-shaped bracket for the guy attachment is
>angled downward. No guy wires remain, but an egg insulator (attached
>directly to the guy point with a big 1/2-inch thick U-bolt) measured 6.5
>inches long and 4 inches diameter. There are attachment sets for four sets
>of guys.
>
>The 172-foot tower is comprised of eight 20-foot sections, one 10-foot
>section and a short 2-foot section on which there is a 1/2-inch-thick flat
>top plate. Four holes near the perimeter of the top-plate appear to be for
>mounting something to it -- there's a round "shadow" where it was mounted;
>perhaps for a red beacon light. The tower was painted red and white over the
>galvanizing, perhaps used as an AM broadcast antenna. No base remains, so
>mounting type is unknown.
>
>I will weigh a 20-foot section tomorrow; my guess from hefting it is it's
>200-300 lbs.
>
>If you are familiar with this type of tower, I'd appreciate any info.
>
>73/Jon AA1K
>
>
>
>--
>FAQ on WWW: http://www.contesting.com/towertalkfaq.html
>Submissions: towertalk@contesting.com
>Administrative requests: towertalk-REQUEST@contesting.com
>Problems: owner-towertalk@contesting.com
>
--
FAQ on WWW: http://www.contesting.com/towertalkfaq.html
Submissions: towertalk@contesting.com
Administrative requests: towertalk-REQUEST@contesting.com
Problems: owner-towertalk@contesting.com
|