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Wire Conduit

 
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europa(at)triton.net
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PostPosted: Sat Jan 14, 2006 11:24 am    Post subject: Wire Conduit Reply with quote

I'm looking for a lightweight conduit for use in the wing to carry pitot static tubing and wing tip light wiring - probably 1/2 inch ID. Main purpose is to allow for future wire replacement after the wing is closed. Best I've seen is the slit convoluted stuff used in some autos. Anyone got better suggestions?

Jim Butcher
Europa XS N241BW


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rhdudley(at)att.net
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PostPosted: Sat Jan 14, 2006 12:14 pm    Post subject: Wire Conduit Reply with quote

Jim,
CPVC water piping. Inexpensive and light.

Richard Dudley
RV-6A flying

Jim Butcher wrote:

Quote:


I'm looking for a lightweight conduit for use in the wing to carry pitot static tubing and wing tip light wiring - probably 1/2 inch ID. Main purpose is to allow for future wire replacement after the wing is closed. Best I've seen is the slit convoluted stuff used in some autos. Anyone got better suggestions?

Jim Butcher
Europa XS N241BW








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lhelming(at)sigecom.net
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PostPosted: Sat Jan 14, 2006 12:50 pm    Post subject: Wire Conduit Reply with quote

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klehman(at)albedo.net
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PostPosted: Sat Jan 14, 2006 1:17 pm    Post subject: Wire Conduit Reply with quote

I used that very cheap milky white semirigid water pipe from the
hardware store. Think it was high density polyethylene. Very easy to
push wires through compared to corrogated stuff. Also more resistant to
vibration as the corrogated stuff is intended to be somewhat flexible. I
was advised to avoid any of the PVC's as they emit nasty toxic fumes and
acids when they get hot or are exposed to flame...
Ken

Jim Butcher wrote:

Quote:


I'm looking for a lightweight conduit for use in the wing to carry pitot static tubing and wing tip light wiring - probably 1/2 inch ID. Main purpose is to allow for future wire replacement after the wing is closed. Best I've seen is the slit convoluted stuff used in some autos. Anyone got better suggestions?

Jim Butcher
Europa XS N241BW




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recapen(at)earthlink.net
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PostPosted: Sat Jan 14, 2006 2:32 pm    Post subject: Wire Conduit Reply with quote

The aviation department at your local home depot or lowes has plain tubing
that I have used for everything from wiring conduit in the wings to
pitot/static plumbing.

It's the milky colored stuff.......

Ralph Capen

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icubob(at)newnorth.net
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PostPosted: Sat Jan 14, 2006 3:48 pm    Post subject: Wire Conduit Reply with quote

hi jim,
i know you wont get lighter than this. the 8' plastic tubes that make
fluorescent tubes explosion proof. they even have a plastic fitting on each
end that makes mounting slick. i used one in my plane. they cut easy and
can be spliced with pieces cut from an unused tube. they may not be stiff
enough for your needs but were perfect for me.
bob noffs
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Kevin Klinefelter



Joined: 10 Jan 2006
Posts: 11
Location: Bishop CA

PostPosted: Sat Jan 14, 2006 5:38 pm    Post subject: Wire Conduit Reply with quote

check out drip irrigation tubing. lightweight, black plastic. cheap too

Kevin

Jim Butcher wrote:

Quote:


I'm looking for a lightweight conduit for use in the wing to carry pitot static tubing and wing tip light wiring - probably 1/2 inch ID. Main purpose is to allow for future wire replacement after the wing is closed. Best I've seen is the slit convoluted stuff used in some autos. Anyone got better suggestions?

Jim Butcher
Europa XS N241BW








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Mark Phillips in TN



Joined: 10 Jan 2006
Posts: 431
Location: Columbia, TN

PostPosted: Sat Jan 14, 2006 8:25 pm    Post subject: Wire Conduit Reply with quote

In a message dated 01/14/2006 1:26:13 PM Central Standard Time,
europa(at)triton.net writes:
Anyone got better suggestions?
Quote:
>>

Hi Jim- I used 5/8" CPVC on my RV through holes in the wing ribs- very happy
with it and simple to add/remove wiring. Not sure how it would work in a
Europa though...

Mark Phillips - do not archive


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Rick Roberts



Joined: 10 Jan 2006
Posts: 28
Location: Orlando, FL

PostPosted: Sun Jan 15, 2006 3:02 am    Post subject: Wire Conduit Reply with quote

Hi Jim,
In my 701, I too used CPVC. I used 1 ". And for routing around the fuel tanks, etc., I used, (don't laugh), 1" washing machine flex drain hose..the white stuff. It mates perfect with the 1: CPVC. My tech inspector loved it...

Do not archive
Rick
Orlando, FL. USA
http://www.n701rr.com


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garyk2(at)cox.net
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PostPosted: Sun Jan 15, 2006 5:22 am    Post subject: Wire Conduit Reply with quote

the cheapest and lightest i've ever seen is shower curtain rod wrap. it's a
very thin and light adjustable diameter tube (about 1") that is slit down
the length. they were a $1 last i saw, in maybe 5' length.

gary

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rv9jim(at)juno.com
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PostPosted: Sun Jan 15, 2006 5:34 am    Post subject: Wire Conduit Reply with quote

Jim,
Try going to the local builders supply and getting a roll of
sprinkler supply tubing. Mine is black and the wall is thin and light.
I'm using it to run to the wing tips for lighting and pitot tubing. If
you need to make a break in the middle do it at an inspection plate.

Jim Nelson


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alexpeterson(at)earthlink
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PostPosted: Sun Jan 15, 2006 6:48 am    Post subject: Wire Conduit Reply with quote

Quote:
> CPVC water piping. Inexpensive and light.

For what I feel is a better alternative, try:

http://www.usplastic.com/catalog/product.asp?catalog%5Fname=USPlastic&catego
ry%5Fname=78&product%5Fid=4905

If that doesn't work, go to www.usplastic.com and search for Tenite Butyrate
tubing.

It is the thinnest wall rigid tubing I've found, and it is available in many
sizes.

Alex Peterson
RV6-A N66AP 704 hours
Maple Grove, MN


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aerobubba(at)earthlink.ne
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PostPosted: Sun Jan 15, 2006 7:10 am    Post subject: Wire Conduit Reply with quote

Hi Jim-

Re: I'm looking for a lightweight conduit...probably 1/2 inch ID...Best
I've seen is
the slit convoluted stuff...Anyone got better suggestions?

Van's aircraft sells the same stuff, only without being slit. IIRC, it is
about 7/8 dia. When I installed mine, I took a handy scrap of 3/8 dowel
about 2 inches long, rounded it's shoulders, drilled a transverse hole
through it, and tied a length of heavy kite string to it. The string is
just over double the length of the conduit. I used my blow gun to launch
the dowel segment down the conduit. I had reservations about the dowel
passing through the corrugated, ill fitting, flexible (read: not quite
straight) tube, but figured worst case, I could pull it back out with the
string.

Well. The dowel, with the string in tow, shot through the conduit, out
the other end, across the shop, and bounced off the far wall. For the
second attempt, I held the free end of the string ; - ) and all was well.
I then installed another toggle / dowel on the free end of the string.
This allows me to tape a wire to the string near it's mid point and pull it
through the conduit. I plan to leave the strings and toggles in the
various conduits for future use as fish tapes.

Perhaps not a perfectly elegant solution, but entirely effective and of
negligible weight!

Glen Matejcek
aerobubba(at)earthlink.net


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seipel(at)seznam.cz
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PostPosted: Sun Jan 15, 2006 8:01 am    Post subject: Wire Conduit Reply with quote

A similar approach to the dowel is to tie the string around a cotton
ball and suck it through the conduit with your shop vac. Make sure you
tie off the end of the string or you'll have to get it out of the shop
vac and try again. Works with all sizes of conduit and you don't have
to worry about shooting hard wooden objects around the shop Wink

PJ
RV-10 #40032
Do not archive

Glen Matejcek wrote:
Quote:


Van's aircraft sells the same stuff, only without being slit. IIRC, it is
about 7/8 dia. When I installed mine, I took a handy scrap of 3/8 dowel
about 2 inches long, rounded it's shoulders, drilled a transverse hole
through it, and tied a length of heavy kite string to it. The string is
just over double the length of the conduit. I used my blow gun to launch
the dowel segment down the conduit. I had reservations about the dowel
passing through the corrugated, ill fitting, flexible (read: not quite
straight) tube, but figured worst case, I could pull it back out with the
string.

Well. The dowel, with the string in tow, shot through the conduit, out
the other end, across the shop, and bounced off the far wall. For the
second attempt, I held the free end of the string ; - ) and all was well.
I then installed another toggle / dowel on the free end of the string.
This allows me to tape a wire to the string near it's mid point and pull it
through the conduit. I plan to leave the strings and toggles in the
various conduits for future use as fish tapes.

Perhaps not a perfectly elegant solution, but entirely effective and of
negligible weight!

Glen Matejcek
aerobubba(at)earthlink.net










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