Towertalk
[Top] [All Lists]

Re: [TowerTalk] separation between 40m rotary dipole and 3    element b

To: w5prchuck@gmail.com, towertalk@contesting.com
Subject: Re: [TowerTalk] separation between 40m rotary dipole and 3    element beam
From: k7lxc--- via TowerTalk <towertalk@contesting.com>
Reply-to: k7lxc@aol.com
Date: Sat, 19 Mar 2022 15:26:32 +0000 (UTC)
List-post: <mailto:towertalk@contesting.com>
>  I don?t see how putting antennas on the opposite side of the mast 
>doesanything. They are still connected to the same mast and exerting forces 
>inthe same direction according to the wind resistance on either side of 
>themast. Visualize mounting the beam on a mast at 5 feet above ground. If 
>youpush on one end of the beam, it exerts the same force on the mast and inthe 
>same direction no matter which side of the mast it is mounted on.I used to 
>believe this until I thought it through.     Well, not being an engineer, 
>that's what I thought. Dick Weber, K5IU, a PE, published an article on this in 
>QEX years ago where he explained what was going on with wind vectors and 
>forces. The wind forces with antennas mounted on opposite sides of the mast do 
>cancel each other out to some extent. Maybe someone can cite the original 
>article.  Cheers,Steve      K7LXCTOWER TECH 
_______________________________________________



_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
<Prev in Thread] Current Thread [Next in Thread>
  • Re: [TowerTalk] separation between 40m rotary dipole and 3    element beam, k7lxc--- via TowerTalk <=