[TowerTalk] Fw: Detailed R5 and or R7 Trap information

Joe k1jcnh at gmail.com
Sun Mar 16 17:33:10 EDT 2008


The manual is available here http://www.cushcraft.com/support/pdf/r7.pdf
Joe


On 3/16/08, John Tait <johnei7ba at eircom.net> wrote:
>
> Hi Marc.
>                 Take a peek at these..
>
> http://www.iol.ie/~bravo/r7_vertical.htm
> http://www.mrs.bt.co.uk/mrs/r5/
> http://www.xs4all.nl/~pa0fri/Ant/R5/onhr5eng.htm
> http://www.telusplanet.net/public/telwest/R7/cushcraft_trap.htm
> Vy 73
>     John EI7BA
>
> Marc Tessier - VE3TES wrote:
> > Hello once again group, This time I write to you in hopes that someone
> out there has a Cushcraft R7 apart and or down on the ground. Reason I am
> hoping for this is simple, I recently purchased a used R7 from a fellow not
> too far away from me, and after spending  9+ hours yesterday,trying to get
> the match in a somewhat reasonable operational range, I decided to consider
> the inevitable, that the traps have been dismantled and not re-installed
> properly.  I now know this to be a fact, because after a quick search
> through the archives here on tower talk, I found a post by the person I
> bought the antenna from dated 2005, where he was looking for similar
> information I am looking for today, dimensions and spacing of all traps on
> the R7. So far to date I have managed to get 20,30 and 40 M to load up
> inside the bands, all others are either just outside or ridiculously way out
> of band for resonance.
> >
> > So If you are willing to take some time to go thru each trap I need
> information for, by all means I would be very grateful for your time and
> help...
> > Feel free to drop me a line or two, and I can better explain what
> information I require in a greater detail , and save some bandwidth of this
> reflector. I have already touched base with Cushcraft customer support and
> they no longer offer any documentation on the traps for the R5 and or R7.
> > I plan on creating a web page or two with this data for use by other
> poor unsuspecting souls that may have either taken their unit apart, without
> paying attention to the details required to assuring proper re-assembly or
> they too purchased a antenna in a similar fashion that I did...
> > I would also be interested in hearing from anyone with an R5 on the
> ground or apart, especially seeing as I already have the 20 to 40M traps
> setup nicely now. I am going to assume that, Cushcraft just used similar
> traps for both antennas on like bands.. i.e. 10/12 m traps should be the
> same on both antennas...
> >
> > Here's hoping someone out there is willing to help me, I really need to
> get this antenna operational. I already have way to much money invested in
> it...
> >
> > Marc Tessier - VE3TES
>
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