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02-18-2015, 05:38 PM
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Join Date: Jan 2013
Location: brazil
Posts: 316
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Wing fuse wire connectors
Hello, are there connectors to wires be disconected btw wing and fuse? When I atach my wings at the airport would be a lot easier just to plug my wires, not to mention if someday I need to remove my wings not have to cut those, anyone has pn or some direction where to find a right model, I see something on internet but not sure about. My wires are 16awg. Whelen led strobe whelen par 36 LDN lights
Thanks captains
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Guilherme Plassmann (Brazil)
RV7A (Mr Flame) slow kit S/N 74285 Finished 04/14/15😀😀😀😀flying
G3X
Superior IO360
Sterba prop
TSFlightlines hoses
LR30,PRM1,C560,C510S,HS125,B350 FAA/ANAC Pilot

Donation made 2016
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02-18-2015, 06:01 PM
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Join Date: Jan 2007
Location: CLINTON,NC
Posts: 109
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Most builders elect not to use connectors at wing roots. Just another place for corrosion. I agree it would make it easier to remove wings but I did as most do and will not cut wires. If I were going to it would probably be some kind of cannon plug that could be mounted stationary to fuselage and use di electric grease to help combat corrosion. Have not looked for any but good web sites for electrical is mouser or digi key
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02-18-2015, 11:30 PM
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Join Date: Jun 2011
Location: DFW Area, TX
Posts: 229
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I started with expensive waterproof connectors at the wing root, but relaized that there is absolutely no room between the wing and fuselage to ever get to those plugs if I had an electrical problem.
So I ended up cutting the plugs off and rewiring both wings with 24 inches of extra wire.
As I mounted my wings, I pulled the wires into the fuselage under the seat pan.
I bought some of those screw type junction strips, but decided I didn't need those either.
I made a service loop and used spade connectors on each wire with a piece of heat shrink over each connection.
Then I riveted a couple tie wrap holders to the side of the seat rib and tie wrapped the bundle to it.
I thought, how often am I going to remove the wings that I need a plug connector?
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Bob B
RV-7A Sold
RV-4 Sold
DFW TX
Dues Paid
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02-19-2015, 05:08 AM
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Join Date: Sep 2006
Location: Locust Grove, GA
Posts: 97
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I did use connectors at my wing roots. I found it easier to terminate them at a known location while they were apart. I used 16 pin CPC connectors.
One distinct advantage is that when I put the wings on and plugged in the wires, I found that I had mis-wired two wires for the aileron trim servo. Tracing those wires became very easy since I had access to the pins at the connectors. I found where they should go, extracted the pins, and pushed them into the correct location.
I can't speak to any corrosion concerns in the long term, as I'm just started Phase 1.
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Aaron Sims
RV-10 (2015 Bronze Lindy)
RV-6A (sold)
Home Field: Mallards Landing (GA04)
Locust Grove, GA
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02-19-2015, 06:28 AM
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Join Date: Oct 2007
Location: Littleton, CO
Posts: 388
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wing wire connections
Here is how I solved the wing wiring connection issue. Similar deal for the other wing. The tie wraps will be replaced with lacing cord shortly.

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Bob Markert
Littleton, CO KBJC
Reserve Grand Champion Oshkosh 2016
Renegade Opposing Solo pilot and other Dirty Odd Jobs
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02-19-2015, 06:40 AM
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Join Date: Aug 2010
Location: Wichita, KS
Posts: 1,958
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I don't know the origin, but someone once said the only way his RV wings were coming off is a forced landing between two appropriately-spaced trees. After installing the wings on my RV9A, I know why it was said.
This is a long way of saying don't go to a lot of trouble planning for that day when you might have to remove the wings, especially from an A model. Wires will be the least of your frustrations.
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Kurt W.
RV9A
FLYING!!!
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02-19-2015, 06:52 AM
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Join Date: Sep 2007
Location: Central IL
Posts: 5,516
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Good Comments
I considered connectors but decided the wires could be easily pulled back through the conduit.
If you want a good connector, use the Deutsch sealed connectors. Go to your Caterpillar dealer and get them. They will withstand the worst pressure washing, salt ,grime, you have ever seen and still seal for decades. I can get a Deutsch reference if you really want it.
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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.”
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02-19-2015, 07:38 AM
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Join Date: Apr 2008
Location: Riley TWP MI
Posts: 3,070
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I used these Surface-Mount-Male-Faston on my RV-12.
Later, Van's Aircraft started selling floating connectors that allow removing and installing the wings while automatically disconnecting and connecting the terminals without touching them. See Vansaircraft parts "THE LIST" and search for
ES-00077 CONNECTOR FEMALE 8C $7.50
ES-00078 CONNECTOR MALE 8C $7.50
No matter what type of connector, apply grease to prevent corrosion.
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Joe Gores
RV-12 Flying
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02-19-2015, 07:52 AM
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Join Date: Aug 2007
Location: Ontario, Canada
Posts: 2,291
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Quote:
Originally Posted by bobmarkert
Here is how I solved the wing wiring connection issue. Similar deal for the other wing. The tie wraps will be replaced with lacing cord shortly.
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Bob - one thought came to mind when looking at the photo of your wing root wiring... Your transponder coax is bundled parallel to signal wires (OAT, perhaps trim and trim position sensing as well). It's generally a good idea to keep this kind of high power transmit coax away from signal wires, or if it's not possible to keep them separate, have the coax oriented perpendicular to the signal wires.
If there's a way to route the coax away from your signal wire bundle you might save yourself some future headaches.
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02-19-2015, 08:16 AM
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Join Date: Oct 2007
Location: Littleton, CO
Posts: 388
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wires
Mark,
I agree. This area is not finished yet. The Coax is for VHF #2 but the same principal applies. They will be separated. There is enough room to pull it forward away from the wiring bundle. Thanks for the input
__________________
Bob Markert
Littleton, CO KBJC
Reserve Grand Champion Oshkosh 2016
Renegade Opposing Solo pilot and other Dirty Odd Jobs
http://www.rmrairshows.com/
2019 dues paid
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