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Re: [TowerTalk] Mounting Polyphaser IS-RCT to SPGP

To: Peter Dougherty <w2irt@verizon.net>
Subject: Re: [TowerTalk] Mounting Polyphaser IS-RCT to SPGP
From: John Kemker <john@kemker.org>
Date: Thu, 11 Jun 2009 23:47:24 -0400
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
The ICE might be a better solution, in any case.  However, to each their 
own.

I'd advise against the aluminum and seriously check out 
www.georgiacopper.com for their copper plates.  VERY reasonable prices 
for 12"x12" sheets and straps.  I just got two in the mail that I'll be 
mounting for the tower base.  It cost less than the great eBay deal I 
got on a PolyPhaser copper plate mounted on MDF I purchased a few years 
ago.  As in five times less money.  (I spent $45 before shipping on the 
PolyPhaser plate.  I spent $9 before shipping on the GA-Copper plate.)  
They also sell the wide copper straps for grounding and the copper 
anti-oxidant grease, as well.  All in all, good deals on good product.

Peter Dougherty wrote:
> My Round Tuit finally arrived and I’m hoping to have my single-point entry
> panel finished in a couple of weeks. What I’m trying to figure out the
> proper way of mounting the Polyphaser IS-RCT (8-terminal rotor control
> protector) to the panel. It’s a solid box with a ¼”-20 one-inch stud coming
> out the top and there are no mounting flanges on the box. My original plan
> was an 18 x 24” copper or aluminum plate to which all the suppressors would
> be mounted, and 2” strapping to the bonded system. The thing of it is, none
> of the polyphaser devices are made for panel mounting—neither these IS-RCT
> boxes or the high-power coax supressors, which are bulkhead-mount only.
>
> I’m really stumped here and I think I may just end up selling these and
> getting ICE devices instead. Any suggestions?
>
> Also, would I be just as well to get aluminum sheeting for the SPGP, then
> using copper strap with a thick layer of NoAlox where the strap meets the
> plate? Would I run into problems if I ran two 2”-wide by foot-long buses
> tied together by 2” strapping or is it better to go with a single large
> plate instead?
>
> Thanks in advance.
>
> -----------------------------------
>
> Regards,
>
> Peter,
> W2IRT
>   
-- 
--JohnK
73 de W5NNH
10X 75371/M&M 117/SMIRK 6185/Six Club 285/TRA 2499/Norcross 228 F&AM




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