tubing through wing for wiring

[Mike Davis]

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Subject: tubing through wing for wiring

Hello there,

We wanted to run the wiring from the lights in the wings through some sort
of conduit tubing. What would be the best material for the tubing? Will it
last?

[Mike Davis]

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Subject: Re: tubing through wing for wiring
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Dave
If you run it through any ribs or pieces riveted to the ribs, you can get
hard
black nylon snap-in grommets from Spruce for about $0.05 each. I haven't
decided
exactly how to get it through the wing skin at the strut attachment. Will
probably just enlarge the existing skin doubler.

Have also seen it laying in the rear lower stringer. Easy to do but it rests
on
the rivet ends. If you take it into the wing root, routing it behind and
under
the door seems to be the way to go.

I have some cheap ($0.20/ft.) semi-transparent polyethyene water pipe from
hardware store. It's much more rigid than the soft transparent stuff, but I
need
to allow for some shrinking and expanding with temperature changes.
Something
that would maintain its shape at the at the 105 to 150 Celcius temperature
rating of the wire would be nice though.

Bob P. wrote a couple of paragraphs on this subject a few months ago if any
one
still has a copy of it.
Speaking of BobP, thanks for the fibrefax idea Bob. Didn't realize that it
was
acceptable in Canada. Shame to have to buy (and dispose of) twenty dollars
of
glue for less than 2 square feet of fibrefax though.
Ken

David Qualley wrote:

We wanted to run the wiring from the lights in the wings through some

sort

of conduit tubing. What would be the best material for the tubing?

Will it

last?

snip<
Dave
#057SR