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Antenna doublers

 
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graybeard



Joined: 20 Sep 2011
Posts: 33
Location: Grants Pass, OR

PostPosted: Thu Sep 13, 2012 12:39 pm    Post subject: Antenna doublers Reply with quote

Are there any guidelines I can use to size doubler panels for the antenna installations? Can’t find anything in AC43-13 except standard rivet spacing. For the bent-whip comm antenna, I have chosen a location between the passenger left footwell and aft side of the front spar. Outboard and aft of the F807 bulkhead looks good for the blade transponder antenna. Both locations seem to be fairly common, but doubler size will dictate how much surface area I need to provide.

Stan Loer
RV-8 QB (very slow)
[quote][b]


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Bill Schlatterer



Joined: 09 Jan 2006
Posts: 195

PostPosted: Thu Sep 13, 2012 3:28 pm    Post subject: Antenna doublers Reply with quote

Stan, as I remember it, the one that came with my Garmin Antenna was a rectangle about ½- ¾  inch wider than the antenna base in all four directions.

Bill S
7a Ark

From: owner-rv8-list-server(at)matronics.com [mailto:owner-rv8-list-server(at)matronics.com] On Behalf Of stazel(at)cpros.com
Sent: Thursday, September 13, 2012 3:38 PM
To: rv8-list(at)matronics.com
Subject: Antenna doublers

Are there any guidelines I can use to size doubler panels for the antenna installations? Can’t find anything in AC43-13 except standard rivet spacing. For the bent-whip comm antenna, I have chosen a location between the passenger left footwell and aft side of the front spar. Outboard and aft of the F807 bulkhead looks good for the blade transponder antenna. Both locations seem to be fairly common, but doubler size will dictate how much surface area I need to provide.



Stan Loer

RV-8 QB (very slow)
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Matt Dralle
Site Admin


Joined: 08 Nov 2005
Posts: 25203
Location: Livermore CA USA

PostPosted: Thu Sep 13, 2012 6:08 pm    Post subject: Antenna doublers Reply with quote

At 01:38 PM 9/13/2012 Thursday, you wrote:
Quote:
Are there any guidelines I can use to size doubler panels for the antenna installations? Can’t find anything in AC43-13 except standard rivet spacing. For the bent-whip comm antenna, I have chosen a location between the passenger left footwell and aft side of the front spar. Outboard and aft of the F807 bulkhead looks good for the blade transponder antenna. Both locations seem to be fairly common, but doubler size will dictate how much surface area I need to provide.

Stan Loer
RV-8 QB (very slow)


Hi Stan,

Here's a few pics on how and where I mounted mine. Seemed to work well on Ruby 1.0.

Matt
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Matt Dralle

RV-8 #82880 N998RV "Ruby Vixen"
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