Towertalk
[Top] [All Lists]

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

To: John Kemker <john@kemker.org>, Peter Dougherty <w2irt@verizon.net>
Subject: Re: [TowerTalk] Mounting Polyphaser IS-RCT to SPGP
From: Dick Green <dick@mailgreen.us>
Date: Fri, 12 Jun 2009 02:05:14 -0400
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Why do you advise against an aluminum ground plate? Are you only against 
outdoor use or indoor as well? I have a pair of Hoffmann metal utility cabinets 
with aluminum grounding plates inside. They seem to be fine and haven't 
corroded a bit.

73, Dick WC1M

> -----Original Message-----
> From: John Kemker [mailto:john@kemker.org]
> Sent: Thursday, June 11, 2009 11:47 PM
> To: Peter Dougherty
> Cc: TowerTalk@contesting.com
> Subject: Re: [TowerTalk] Mounting Polyphaser IS-RCT to SPGP
> 
> 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
> 
> 
> 
> 
> ---
> avast! Antivirus: Outbound message clean.
> Virus Database (VPS): 090611-0, 06/11/2009
> Tested on: 6/11/2009 11:47:24 PM
> avast! - copyright (c) 1988-2009 ALWIL Software.
> http://www.avast.com
> 
> 
> 

_______________________________________________



_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk

<Prev in Thread] Current Thread [Next in Thread>