Is there a website that discusses and diagrams methods of tramming?
73, Jerry W5KP
----- Original Message -----
From: <00tlzivney@bsuvc.bsu.edu>
To: <towertalk@contesting.com>
Sent: Wednesday, May 23, 2001 8:27 AM
Subject: [TowerTalk] Re: stabilizing yagi while tramming
> I disagree with the comment to put the tiller on the boom so that the
> elements are tilted at a 45 degree angle. You do not want the elements
> tilted when attaching the boom to the tram line. Rather, they should
> be parallel to the ground. The Tiller should be attached (and therefore
> tilted) such that the elements are parallel to the ground at take-off,
> else the elements will scrape on the ground. It is physically impossible
> to put enough tension on the tram line to make it straight - it will
> have a steeper climb at the top end of the tram line than at the bottom.
> Therefore, the elements will naturally take on an upward tilt as the
> antenna nears the top of the tower.
>
> BTW, several years ago some wise ham suggested using a second pair of
> slings for the pull rope to pull on instead of a tiller bar. This is
> a very good idea, especially when the antenna reaches the top of the
> tower!
>
> Terry Zivney, N4TZ/9
>
> List Sponsor: Champion Radio Products - We'll be at the Dayton Hamvention
> with all of our safety equipment and other products. Stop by booth #559
and
> say hi.
> <A HREF="http://www.championradio.com";>www.ChampionRadio.com</A>
>
> -----
> FAQ on WWW: http://www.contesting.com/FAQ/towertalk
> Submissions: towertalk@contesting.com
> Administrative requests: towertalk-REQUEST@contesting.com
> Problems: owner-towertalk@contesting.com
>
>
List Sponsor: Champion Radio Products - We'll be at the Dayton Hamvention
with all of our safety equipment and other products. Stop by booth #559 and
say hi.
<A HREF="http://www.championradio.com";>www.ChampionRadio.com</A>
-----
FAQ on WWW: http://www.contesting.com/FAQ/towertalk
Submissions: towertalk@contesting.com
Administrative requests: towertalk-REQUEST@contesting.com
Problems: owner-towertalk@contesting.com
|