[TowerTalk] roof mount Tripod

Doug Faunt N6TQS +1-510-655-8604 faunt at panix.com
Sat Mar 14 09:23:30 PDT 2009


YMMV, I can hear it in that part of the house when I run the rotator, but
don't hear anything when the wind is blowing things around.

17.5' Glen Martin on the roof, internal bracing tied to a load-bearing
wall, with a Ham II rotator on top.

73, doug

   Message: 7
   Date: Sat, 14 Mar 2009 10:56:28 -0500
   From: "W5CPT" <w5cpt at bellsouth.net>

   When I lived in Dallas TX, I had a Ham II mounted in the attic with
   the mast extending up through the roof where my 5L 6M & 10L 2M beam
   were mounted.  When I turned it EVERYONE in the house knew.  Also I
   had 40' of Rohn 25G mounted with a House Bracket with a 16' boom
   Sommers antenna on it and it could be heard even when not turning.
   Every gust of wind caused it to moan and groan and whistle, and
   like the 6&2 combo, everyone knew when it was turning.

   When I moved back home to Kentucky, I made sure all my antennas
   were NOT affixed to my house, other than by cable..

   YMMV

   Clint - W5CPT


     ----- Original Message ----- 
     From: chris casey 
     To: towertalk at contesting.com 
     Sent: Saturday, March 14, 2009 10:34 AM
     Subject: Re: [TowerTalk] roof mount Tripod


     When you run the rotors on a roof tower like that do you hear it in the house?

     -Chris

     On Fri, Mar 13, 2009 at 7:11 PM, Larry Banks <larryb.w1dyj at verizon.net> wrote:
     >
     > Hi Richards,
     >
     > I will add the attached to my web site -- it probably won't get to the group. As you can see, I have 2x8' braces underneath the roof joists and use (2) 3/8" x 10" cap screws to sandwich the joists between the tower feet and the braces. If the antennas go, the roof will go with them... ")
     >
     > 73,
     > Larry
     > W1DYJ
     >
     >
     > ----- Original Message ----- From: "Richards" <jruing at ameritech.net>
     > To: "Larry Banks" <larryb.w1dyj at verizon.net>
     > Cc: "W8HW" <w8hw at att.net>; <towertalk at contesting.com>
     > Sent: Friday, March 13, 2009 6:43 PM
     > Subject: Re: [TowerTalk] roof mount Tripod
     >
     >
     >> Nice images on your webpage, Larry.
     >>
     >> Did the you have to reinforce the roof or trusses underneath
     >> before installing the roof towers? Here in Michigan, we are
     >> told to reinforce the underlying trusses -- not so much because
     >> of the weight of the tower and antenna system, but because of
     >> twisting and torque stress.
     >>
     >>
     >> Thank you.
     >>
     >>
     >> ============= Richards - K8JHR ===============
     >>
     >>
     >>
     >> Larry Banks wrote:
     >>>
     >>> Hi Bruce,
     >>>
     >>> I use two 6' roof towers from IIX Engineering --
     >
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