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Old 08-21-2017, 01:58 PM
Low Pass's Avatar
Low Pass Low Pass is offline
Join Date: May 2006
Location: Houston
Posts: 1,882
Default Creating a potential point of failure

I'll cut the wires if I ever need to remove the wings. Then I'll install proper, robust connectors -or splice - when I put the wings back on. 17 years and the wings are still as installed originally.

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Old 08-21-2017, 03:18 PM
SgtZim SgtZim is offline
Join Date: May 2015
Location: Crittenden, ky
Posts: 168

I'm still building so, fwiw: I'm using one CPC connector for the wires out the right wing to the servo because I want a really good all in one connector for the array of data bus wires and controls out to the roll servo - primary "autopilot" servo in the Garmin setup. I'm pretty pleased with the solid connection - added an o-ring on the outside so it should stay watertight. Otherwise - I'm using terminal blocks and splices for the lights, pitot heat, fuel levels, stall warning.
RV-8 slow build
IO360-M1B Sensenich fixed pitch
Garmin G3X
GTN 625
GNC 255
GTR 20
G5 x 2

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Old 08-22-2017, 10:38 AM
Lars Lars is offline
Join Date: Nov 2005
Location: Davis, CA
Posts: 989

Originally Posted by Lemmingman View Post
Lars, do you have the terminal blocks seated on a tray?
I made a couple of angles out of aluminum sheet, then pop riveted them to the ribs. There is a gap between the angles that you can't really see in the photo. Then screwed the terminal blocks to the angles. Not very sophisticated.

I was influenced in my decision to add the terminal blocks+ring connectors and consequent extra potential electrical failure points by the opinions (grumblings?) of a hangar neighbor whose business was exporting aircraft overseas. Including a lot of RVs. He was much happier when there was a clean way to disconnect wing wiring rather than having to cut. He also argued that it could make troubleshooting easier, though thankfully I haven't had to do that yet. All electrons arriving at my terminal blocks continue to flow to their appointed destinations as originally intended.
Lars Pedersen
Davis, CA
RV-7 Flying as of June 24, 2012
600 hours as of April 9, 2018
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