Wire Routing Through Ribs

[Draker]

I used this M22529/2 grommet edging in areas where I was worried about wires encountering metal edges. It’s pretty expensive but I think a combination of this and anti-chafe sleeving for the wires would protect them well.

[fixnflyguy]

I use standoffs for mounting through lightening holes that rivet to the rib and have a threaded body. I also have nut-plates that are made with a 90 degree bent receptacle in the event there is not a beaded edge around the hole. I obtained them through various airliner rebuilds and maintenance, but they are available elsewhere I'm certain. Makes for a clean secure mounting for wires and tubing. Airliners are full of them.

[maxmirot]

I going to do this job in a few months.

I am thinking about 3D printing a loop holder that with go on the lightning hole in the proper orientation.

A print using PTEG or ASA (ABS) should be fine.

Then the only questions are how far off the lightning hole should it hold the tubes/wires; and how to attach the holder to the ribs (screw or bolt with nut)

Max

[nohoflyer]

I went with the bay outboard of the bell crank. Then I went a little crazy and built a service panel.

[vinzer]

Here is how I made my installation.

[bill.hutchison]

You guys with your airplanes under construction have it easy. :-)

Mine is a retrofit, and while I did end up removing the fuel tank to do the heated pitot/AoA plumbing OAT wire routing, the skins were already on my wing.

I decided to mount the controller and the OAT to the inspection plate itself, and put molex connectors on both the controller harness and the OAT wires. This was much easier and accessible for me since I was working in a very confined space.

Looking back, I could have put the OAT in another place but I had already committed so there you go. It'll work. If I have to remove the inspection plate it's a simple matter to disconnect the molexes and the whole thing will come out cleanly.

One of those learn-as-I-go moments.

[charlesmc]

Hi Vinzer,

Working on an RV-10 as well and I'm on the step where I need to install the snap bushings into the ribs.

Can I ask what size holes and which snap bushings you used for the electrical routing and the pitot tube routing in your pics?

We haven't decided between Garmin and Dynon yet, but I like your approach with this.

Thanks,

Charles

[vinzer]

Originally Posted by charlesmc

Hi Vinzer,

Working on an RV-10 as well and I'm on the step where I need to install the snap bushings into the ribs.

Can I ask what size holes and which snap bushings you used for the electrical routing and the pitot tube routing in your pics?

We haven't decided between Garmin and Dynon yet, but I like your approach with this.

Thanks,

Charles

Hi Charles,

I went with rubber bushings for the holes instead of plastic ones for electrical wiring. The size of the holes are 3/4" for wiring and 5/8" for pitot/AOA plumbing. Hope this info helps.
Vlad