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04-30-2016, 08:55 AM
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Join Date: Jun 2014
Location: Enon Valley
Posts: 189
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Thousand word antenna installation
Does anyone have one of these antennas?
I am trying to figure out how to mount this in my RV6A wingtip but I don't think I know all that I should have been able to figure out from the directions.
A picture would be worth a thousand words.
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Dewey Clawson
Super Sabre Society
2012 RV10; 1993 RV6A; 1947 Cessna 140, in progress
2019 dues exempt but paid anyhow
F100, A7D, A10, F16,
Fokker, Boeing, McDonnell-Douglas
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04-30-2016, 10:54 AM
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Join Date: Dec 2012
Location: Katy, TX
Posts: 233
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That looks like a Archer antenna to me. If you google "Archer antenna installation" you will find multiple builders documenting their install. Mostly actually from this unbelievable useful forum.
It also looks like the COM version. Builder reports variable result with using the wingtip for comms, VOR versions seem to be more successful.
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04-30-2016, 12:03 PM
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Join Date: May 2006
Location: Pocahontas MS
Posts: 3,884
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one version
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04-30-2016, 02:37 PM
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Join Date: Jan 2015
Location: KC, MO
Posts: 374
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I have that antenna in my rh wing tip. Works amazing. I have it connected to my narco nav 122. Vor/gs/marker beacon all in one. Best money spent.
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RV-4 - 0-320 (160HP)
www.KCFlight.org
Tinker
ATP/CFI/II/MEI
N617TN
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04-30-2016, 02:44 PM
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Join Date: May 2005
Location: X35 - Ocala, FL
Posts: 3,679
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I rivet it to a piece of aluminum angle and put 2-3 nut plates on the end rib to hold it in place then out some edge protector so it doesn't chafe inside the wingtip and hook the center conductor to the short piece of isolated aluminum and the shield to the main body. This allows me to connect the antenna with the wingtip off
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Jesse Saint
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04-30-2016, 04:25 PM
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Join Date: Dec 2011
Location: Livermore, CA
Posts: 6,767
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Okay, the label says "com". Is that what you are going to use it for? Most people report it only works 'fair' because com needs vertical polarization. Best you can do: attach the top (in your photo) horizontal piece electrically to the outboard rib (usually by riveting the tip attach nutplates under it). If on bottom of rib, bend the leg with the label on it up as much as the wingtip allows. vice versa if riveted to the top of the rib. The long piece at the bottom now rests against the tip. Fiberglass in place. You want to get the piece with the label on it as vertical as possible.
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05-01-2016, 05:29 AM
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Join Date: Jun 2014
Location: Enon Valley
Posts: 189
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Thousand word antenna installation
Thanks for all the help.
It is a Com antenna. I searched all the suggested sources and found a total of one pic of the com ant. installed. It seems that few of these are used as com antennas unless the plane has a vertical tail suitable for mounting.
I was able to figure out which pieces are which. The instructions are not clear on top, bottom, radiating element, etc.
I am going to install it in the right wing tip and I already have a bent whip on the bottom fuselage. After I get the avionics install done, I am going to add com 1/2 comparisons to my flt test profiles. Comm 1 and 2 are both VAL 2000 radios so the difference will be only the ant. install.
__________________
Dewey Clawson
Super Sabre Society
2012 RV10; 1993 RV6A; 1947 Cessna 140, in progress
2019 dues exempt but paid anyhow
F100, A7D, A10, F16,
Fokker, Boeing, McDonnell-Douglas
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05-01-2016, 07:33 AM
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Join Date: Feb 2008
Location: Largo, FL
Posts: 1,027
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Tried it --- did not work well
In the RV-10 ----- had an external for Comm 1, but tried the Archer for Comm 2, as well as a Archer Nav. The Nav worked only "OK", but the comm was bad enough we installed another external whip fro Comm 2.
R.
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RV-10 Co-built, maintained, flown (sold)
RV-8A Maintained and flown (Sold)
RV-6A Bought and Flying (N177RV), upgrades $$$
IO360, 180HP/CS, AFS 5600T, D10A, G650, G430, G327, ADS-B, VIZ385 AP
Very Happy Contributor
Comm, SMEL, CFII, A&P
Based at KCLW (Clearwater, FL)
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05-01-2016, 09:19 AM
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Join Date: Dec 2011
Location: Livermore, CA
Posts: 6,767
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For more discussion and PICTURES look at post titled "antenna tuning" dated 12-1-2013. Second page.
This is a -10 wingtip, larger than a -6. The fore-aft location, and mounting the ground piece to the top of the rib (via the tip attach screws and top of the wing (make sure to remove paint from under the screws!)) was chosen to maximize the vertical component of the antenna where the maximum current is carried). As I said, not as good as an external whip, but okay, for me, for ATIS/#2 com.
Last edited by BobTurner : 05-01-2016 at 09:30 AM.
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05-01-2016, 09:33 AM
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Join Date: Sep 2007
Location: Central IL
Posts: 5,515
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Quote:
Originally Posted by BobTurner
For more discussion and PICTURES look at post titled "antenna tuning" dated 12-1-2013. Second page.
This is a -10 wingtip, larger than a -6. The fore-aft location, and mounting the ground piece to the top of the rib (via the tip attach screws and top of the wing (make sure to remove paint from under the screws!)) was chosen to maximize the vertical component of the antenna where the maximum current is carried). As I said, not as good as an external whip, but okay, for me, for ATIS/#2 com.
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http://www.vansairforce.com/communit...d.php?t=107189
or Click here and limit to IMAGES
__________________
Bill
RV-7
Lord Kelvin:
“I often say that when you can measure what you are speaking about,
and express it in numbers, you know something about it; but when you
cannot measure it, when you cannot express it in numbers, your knowledge
is of a meager and unsatisfactory kind.”
Last edited by BillL : 05-01-2016 at 09:35 AM.
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