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Matt Dralle
Site Admin
Joined: 08 Nov 2005
Posts: 26321
Location: Livermore CA USA
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 Posted: Sat May 09, 2009 9:49 am Post subject: Mounting Antennas On Bottom Fuselage Skin... |
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Fellow Builders,
I'm getting ready to mount the COM (Commant bent whips) and
Transponder (Commant shark fin) antennas on the bottom of the RV-8.
I plan to mount them to the bottom fuselage skin right behind the aileron
torque tubes. I think this is something like .040" skin and its pretty rigid,
but what are people's thoughts on adding a skin doubler, perhaps a .032
piece something like 6"x8"? I'd rather not, but on the other hand, I don't
want to have the skin end up deformed over time.
Thanks in advance.
Matt Dralle
RV-8 #82882 N998RV
Laying Out Carpet in CAD...
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Matt Dralle
Matronics Email List Administrator
Last edited by Matt Dralle on Sat May 16, 2009 8:46 am; edited 2 times in total |
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kboatright1(at)comcast.ne
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| Posted: Sat May 09, 2009 10:51 am Post subject: Mounting Antennas On Bottom Fuselage Skin... |
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I used doublers for both my belly mounted antennae and have 600+ problem
free hours.
Cracking was my main worry, with the antenna wiggling in the prop
slipstream. Also, I'm aware of cracking on antenna mounts on spam cans, so I
figured what the heck. I would guess my doublers extend an inch or two
beyond the perimeter of the antenna bases, if that helps. I also think I
used a skim of proseal between those doublers and the skin.
Of course, I'd probably never have seen a crack anyway, but ya never know.
Kyle Boatright
2001 RV-6
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recapen(at)earthlink.net
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| Posted: Sat May 09, 2009 6:08 pm Post subject: Mounting Antennas On Bottom Fuselage Skin... |
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I put a .032 doubler on my bent whip mounting skin - want pictures?
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Matt Dralle
Site Admin
Joined: 08 Nov 2005
Posts: 26321
Location: Livermore CA USA
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| Posted: Sat May 09, 2009 6:28 pm Post subject: Mounting Antennas On Bottom Fuselage Skin... |
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Of course!
Thank you! Post them.
Matt Dralle
At 07:00 PM 5/9/2009 Saturday, you wrote:
[quote]
I put a .032 doubler on my bent whip mounting skin - want pictures?
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Matt Dralle
Matronics Email List Administrator |
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recapen(at)earthlink.net
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| Posted: Sat May 09, 2009 6:53 pm Post subject: Mounting Antennas On Bottom Fuselage Skin... |
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Matt,
I just posted a bunch of pictures IAW the instructions on the main website
and copied you.....
Hope they help,
Ralph Capen
RV6A N822AR (at) N06 12.1 hours on the 40.......yeeeeehaaaaaw
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rv10rob(at)gmail.com
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| Posted: Sat May 09, 2009 6:53 pm Post subject: Mounting Antennas On Bottom Fuselage Skin... |
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While we're on the subject, anyone have a picture of their "V" nav/gs antenna install on the bottom of the fuselage, near the rear of the tailcone? I'm not sure where to mount it and bring the wires in.
On Sat, May 9, 2009 at 7:24 PM, Matt Dralle <dralle(at)matronics.com (dralle(at)matronics.com)> wrote:
[quote] --> RV-List message posted by: Matt Dralle <dralle(at)matronics.com (dralle(at)matronics.com)>
Of course!
Thank you! Post them.
Matt Dralle
At 07:00 PM 5/9/2009 Saturday, you wrote:
| Quote: | --> RV-List message posted by: "Ralph E. Capen" <recapen(at)earthlink.net (recapen(at)earthlink.net)>
I put a .032 doubler on my bent whip mounting skin - want pictures?
>
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[quote]---
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dmaib@me.com
Joined: 25 Apr 2006
Posts: 455
Location: New Smyrna Beach, Florida
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| Posted: Sat May 09, 2009 10:41 pm Post subject: Re: Mounting Antennas On Bottom Fuselage Skin... |
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Here is my installation on the RV-10. Doubler on the inside.
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David Maib
RV-10 #40559
New Smyrna Beach, FL |
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