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Re: [TowerTalk] Swinging gate antenna mount

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Swinging gate antenna mount
From: Robert Harmon <k6uj@pacbell.net>
Date: Fri, 5 Jun 2020 14:41:41 -0700
List-post: <mailto:towertalk@contesting.com>
Dumb question.   When using the swinging gate, how do you make sure when the 
rotator swings it around it won't hit the tower ?


Bob
K6UJ



> On Jun 5, 2020, at 1:52 PM, Grant Saviers <grants2@pacbell.net> wrote:
> 
> I have a Rohn 65 design in CAD, never built it, went with rings instead.  
> Should have done the arms.  All 1/4" HRS steel plate, standard angles and 
> channel, plus 2" NPT pipe, although other tube/pipe choices are easy.  
> Different leg diameters depend on the u-bolt size (minor hole location change 
> needed). Designed for hot dip galvanizing.  I designed for two antennas for 
> up to 20' of pipe between top bearing and rotator. Or one antenna on a short 
> pivot "mast". Uses a standard mount rotator at the bottom (my plan was Orion 
> 2800) and a UHMW bearing at the top.  Make the plates on a laser or waterjet 
> cutter.  Weld it up and HDG.
> 
> Reply off list and I well send 3D pdf's to review. Enough interest and some 
> weld shop might make them.  Everything should UPS except the pipe, buy it 
> locally.  Adding tabs and slots to the top and bottom supports for self 
> fixturing of the welding would be nice.
> 
> Grant KZ1W
> 
> On 6/5/2020 11:46, Jon Zaimes via TowerTalk wrote:
>> Try here: http://www.w9iix.com/ii00012.htm
>> Jon P. Zaimes, AA1K
>> Tower climber for hire
>> Website: aa1k.us
>> Cell: 302-632-2353
>> Email: jz73@verizon.net
>> Hug your favorite tower every day, and always stay connected to it
>> On Friday, June 5, 2020 mike stokes <mike9v@gmail.com> wrote:
>> I am looking for one as well.  Please reply to the list.
>> 73
>> Mike
>> KK9V
>> On Fri, Jun 5, 2020 at 2:20 PM Ignacy Misztal <no9e@arrl.net> wrote:
>>> Does anybody make swinging gate mounts? I need one for 45G.
>>> Ignacy, NO9E
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