The problem with my top shelf is the hole in the center is so big that part of
the mounting bolt holes on the thrust bearing actually show through the large
center hole on the shelf.
I'm going to be using some sheet metal, a few washers as shims, and drilling
holes in the sheet metal to use it as an adapter. Not ideal, but sturdy enough
until I work out a thicker plate or a different plan.
----- Original Message ----
From: Clint Talmadge <unclebudd@bellsouth.net>
To: R Atkins <rusty_atkins@yahoo.com>; towertalk@contesting.com
Sent: Friday, July 13, 2007 9:39:20 AM
Subject: Re: [TowerTalk] Yaesu GS-065 Thrust Bearing 25G installation help
needed
Odd that this post should come now. I was on my way to the
garage where I have my 25G top section laid out across the bed of my pickup to
redrill the top for my Yaesu GS-065 thrust bearing. Here is my
plan.
Use masking tape to layout the pattern.
Scribe the center line between opposing pre-drilled (TB-3)
holes I can see though the Blue Painters tape where the holes are so
getting it centered was easy.
>From the intersection of the two lines (center of the top
plate mast hole) measure half of the 85 mm center to center distance as
indicated in the Layout Drawing for each of the 4 holes
Mark and drill using the center line I scribed and the
distance I measured.
I will let you know if I run into any other problems but
that was the only way I figured I could maintain the center of the bearing on
the center of the tower top.
Clint
----- Original Message -----
From:
R
Atkins
To: towertalk@contesting.com
Sent: Friday, July 13, 2007 8:02 AM
Subject: [TowerTalk] Yaesu GS-065 Thrust
Bearing 25G installation help needed
Has anybody sucessfully attached one of these to a Rohn 25G
flat top section? The mounting holes are on a small enough diameter that two
of them are partially in the hole through the top plate.
I guess some
quick fabrication is on order here, but hearing how others have done it is
helpful.
Please reply direct as well as to the
list.
Thanks!
Rusty
K0FE
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