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Sully
Joined: 08 Jan 2008
Posts: 9
Location: Euless, TX
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 Posted: Tue Jan 08, 2008 8:43 pm Post subject: Wingtip Antenna Grounding |
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I am considering using the wingtip Nav antenna detailed in the Aero Electric Connection and have a couple of questions. First I intend to install the tips on my RV 7 with piano hinges and was wondering if this will provide adequate ground plane connection to the wing box, provided I secure the antenna element to one half of the hinge. Second when comparing to the commercially available version of this antenna to the DIY version all the elements are made from flat stock and the DIY version incorporates an angle for one of the elements with an undefined length, has anyone built this using all flat stock of some length?
Thanks
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Sully
RV-7 In-work |
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Mark Phillips in TN
Joined: 10 Jan 2006
Posts: 431
Location: Columbia, TN
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| Posted: Wed Jan 09, 2008 12:57 am Post subject: Wingtip Antenna Grounding |
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Hi Sully-
I recently installed a Bob Archer VOR antenna in a second set of hinge-mounted tips- I spoke with Bob how to best accomplish this and riveted the base strip of the antenna that is normally grounded to the wing skin with the tip mounting screws directly on top of the lower tip-side hinge half using the same soft rivets used for the rest of the hinge. Works great. Might work as well for DIY version. If interested, holler at me off-list for foto of installation.
I've also simplified the hinge method of installation from my original as recounted in the RVator, but haven't written up the procedure yet, so contact me off-list for details.
From The PossumWorks in TN,
Mark Phillips, RV-6A "Mojo"
http://websites.expercraft.com/n51pw/
Start the year off right. Easy ways to stay in shape in the new year.
[quote][b]
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JOHN TIPTON
Joined: 17 Sep 2006
Posts: 239
Location: Torquay - England
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| Posted: Wed Jan 09, 2008 2:43 am Post subject: Wingtip Antenna Grounding |
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Hi Sully
I'm interested in the reason why you are deviating from the standard
mounting for the wing tips, to 'piano hinges', do you intend to put the
'hinge' fully around the curve of the leading edge !!!
I'm sure that if this was standard way offered, many would move away from it
to the current options offered by VANS
Just curious
John - wings RV-9a
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Sully
Joined: 08 Jan 2008
Posts: 9
Location: Euless, TX
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| Posted: Wed Jan 09, 2008 4:25 am Post subject: Re: Wingtip Antenna Grounding |
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Mark,
Thank You that was exactly what I was considering, I'll contact you off list for your improvements.
John,
I am doing this for a couple of reasons; easy access to perform service/maintenance inside of the tips (AOA, antenna, strobes, etc) and it eliminates the screws and nut plates which can get pretty ratty looking after a period of time. Mark Phillips developed this and its pretty slick. I've seen it at Sun-n Fun on a couple of different aircraft and it looks great. Check it out at Mark's site
http://websites.expercraft.com/n51pw/index.php?q=log_list&c=19
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Sully
RV-7 In-work |
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JOHN TIPTON
Joined: 17 Sep 2006
Posts: 239
Location: Torquay - England
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| Posted: Wed Jan 09, 2008 6:46 am Post subject: Wingtip Antenna Grounding |
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Thanks for the info, I'll check it out
John (PPL-England) wings RV9a
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Mark Phillips in TN
Joined: 10 Jan 2006
Posts: 431
Location: Columbia, TN
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| Posted: Wed Jan 09, 2008 8:53 pm Post subject: Wingtip Antenna Grounding |
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In a message dated 01/09/2008 4:46:12 AM Central Standard Time, jmtipton(at)btopenworld.com writes:
| Quote: | I'm interested in the reason why you are deviating from the standard
mounting for the wing tips, to 'piano hinges', do you intend to put the
'hinge' fully around the curve of the leading edge !!! |
Nah, just where ya need 'em- See:
http://websites.expercraft.com/n51pw/index.php?q=log_entry&log_id=5181
click on >>Next Entry>> on each page for the whole story...
From The PossumWorks in TN\
Mark Phillips
http://websites.expercraft.com/n51pw/
Start the year off right. Easy ways to stay in shape in the new year.
[quote][b]
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