[TowerTalk] TB3 on 25G accessory shelf??

[Earnshaw, Darrell]

John,

A good question. I recently bought an accessory plate for just that reason -
to hold a 2nd TB3. I was disappointed to find that it was not pre-drilled.
Fortunately, I had an old-style (or perhaps non-Rohn) plate that I'd been
using previously, which had been pre-drilled for the TB3. So, I used that
for the middle TB3, and the new plate for the rotator.

Cheers, Darrell.

-----Original Message-----
From: John B. Mitchell [mailto:jbmitch@vt.edu]
Sent: Wednesday, October 27, 1999 9:09 PM
To: towertalk@contesting.com
Subject: [TowerTalk] TB3 on 25G accessory shelf??



I'm planning to install a TB3 below the top of the rocket type top
section on my 25G tower.  It appears I need to drill four new holes (why
don't they pre=drill these for the TB3?) in the accessory shelf to bolt
it in.  Anyone tried this before?  I'm envisioning a somewhat critical
process to get the four holes exactly placed, and would appreciate any
helpful hints. My initial thought is to select a drill bit that's one
size larger than the bolt, in case I have trouble with exact placement
using only a hand drill.  If there's a simple solution to achieving
acceptable accuracy, I'd sure like to know about it.  Please reply to me
directly.  Thanks
John K4IQ
jbmitch@vt.edu

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