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Eric M. Jones
Joined: 10 Jan 2006
Posts: 565
Location: Massachusetts
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 Posted: Tue Mar 26, 2013 5:59 am Post subject: Re: Wires in wing |
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I find it remarkable that I am the only dinosaur who remembers these. There are very specific parts used to thread wires through lightening holes: Panduit Lightening Hole Mounting System, LHMS is what they are called. I used to sell them until Digikey started to.
http://hqwww.panduit.com/panduit/groups/MPM-GAWA/documents/PartDrawing/086887.pdf
They are really worth getting.
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_________________
Eric M. Jones
www.PerihelionDesign.com
113 Brentwood Drive
Southbridge, MA 01550
(508) 764-2072
emjones(at)charter.net |
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harley(at)AgelessWings.co
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| Posted: Tue Mar 26, 2013 6:06 am Post subject: Wires in wing |
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On 3/26/2013 9:59 AM, Eric M. Jones wrote:
| Quote: | | Quote: | | I find it remarkable that I am the only dinosaur who remembers these. |
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I do as well, Eric...dinosaur? Not after seeing the picture you have on your website flying your ultramodern plane!
[img]cid:part1.04090503.03070602(at)agelesswings.com[/img]
Harley
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JLuckey(at)pacbell.net
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| Posted: Tue Mar 26, 2013 7:11 am Post subject: Wires in wing |
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Ray,
My tubing came form Aircraft Spruce: Aluminum tube, ¾ in dia, .035 wall, AC Part# 03-36150.
PS – I might use the Panduit conduit mounts that Eric recommended to support the tube on every-other rib
From: owner-aeroelectric-list-server(at)matronics.com [mailto:owner-aeroelectric-list-server(at)matronics.com] On Behalf Of rayj
Sent: Monday, March 25, 2013 10:04
To: aeroelectric-list(at)matronics.com
Subject: Re: AeroElectric-List: Wires in wing
Jeff,
That is my 1st choice. Where did you get your thin wall aluminum. I've not been able to find anything that was the right combination of weight, stiffness/straightness, cost and diameter. Something like lawn furniture tubing only smaller dia.
| Quote: | | Raymond JulianKettle River, MN. "And you know that I could have me a million more friends,and all I'd have to lose is my point of view." - John Prine |
On 03/25/2013 12:36 PM, Jeff Luckey wrote:
[quote]
Bob,
I considered using plastic/PVC plumbing tubing/pipe for the conduit in the wing of my RV-7A but rejected it based on the idea that combustion bi-products from those materials could be lethal. In the event of a fire, I might be rendered unconscious (or worse) before I even got a chance to fight the fire.
Therefore I opted for some thin-wall aluminum tube. I’m curious about what other “listers” think.
-Jeff
From: owner-aeroelectric-list-server(at)matronics.com (owner-aeroelectric-list-server(at)matronics.com) [mailto:owner-aeroelectric-list-server(at)matronics.com (owner-aeroelectric-list-server(at)matronics.com)] On Behalf Of Robert L. Nuckolls, III
Sent: Monday, March 25, 2013 07:36
To: aeroelectric-list(at)matronics.com (aeroelectric-list(at)matronics.com)
Subject: Re: AeroElectric-List: Wires in wing
At 09:55 AM 3/25/2013, you wrote:
I'm not sure how I would install the tie wrap inside a closed wing. Right now I'm leaning toward installing adel clamps with a piece of lacing cord strung through them. I think a 1/2 inch cushioned clamp should be large enough.
Consider a plastic conduit in Adel clamps. The hardware stores
stock a variety of water pipe in sizes down to 3/8". I think you'll
find that the 3/8 is large enough to accept your wires . . . it's
easy to test at the store . . . otherwise go up to 1/2". Here'a
one example of many.
http://tinyurl.com/cccad2q
The stuff is light, cheap, smooth wall and 100% assurance for ease
of installing wires at a later date.
Bob . . . | Quote: | | http://www.matronics.com/Navigator?AeroElectric-ListKettle River, MN. |
0123[b]
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JLuckey(at)pacbell.net
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| Posted: Tue Mar 26, 2013 7:29 am Post subject: Wires in wing |
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Hey Eric,
Do you have any recommendations for hardware for the ends of tubing/conduit
in your bag-o-tricks?
I want the aluminum tube to end at and attach to the root & tip ribs. I'm
familiar w/ standard electrical conduit fittings, but the problem is that my
tubing is .750 OD - not a standard dimension for EMT fittings. Any
suggestions?
-Jeff
--
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LynnCole(at)foxvalley.net
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| Posted: Tue Mar 26, 2013 8:27 am Post subject: Wires in wing |
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I used exactly the same HDPE tubing purchased from McMaster in the wings of my Murphy Rebel Elite as Mr Wittington did in his Sportsman. It looks like it will have adequate capacity and work well, but I haven't attached the wings to the fuselage yet.
-----
Lynn Cole
N76426 1946 Cessna 140
Murphy Rebel Elite under construction
LynnCole(at)foxvalley.net (LynnCole(at)foxvalley.net)
On Mar 25, 2013, at 2:45 PM, DeWitt Whittington wrote:
[quote]Ditto. We ran HDPE (High Density Polyethelyne) tubing through left and right wings in our Sportsman. Works well. Here are a couple of photos.
We got it from McMaster-Carr. 50375 K534 HDPE tubing 3/4 OD x 5/8 ID x 1/16 wall
Dee
On Mon, Mar 25, 2013 at 2:51 PM, Jay Hyde <jay(at)horriblehyde.com (jay(at)horriblehyde.com)> wrote:
--
DeWitt (Dee) Whittington804-677-4849 iPhone
804-358-4333 Home
www.VirginiaFlyIn.org
Building Glasair Sportsman with 3 partners
<IMG_2124 Fuel vent line and aileron cables passing through flap track (Large).JPG><IMG_6956 L tip nose rib showing PVC tube for wing wiring (Large).JPG>[b]
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user9253
Joined: 28 Mar 2008
Posts: 1938
Location: Riley TWP Michigan
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Eric M. Jones
Joined: 10 Jan 2006
Posts: 565
Location: Massachusetts
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| Posted: Thu Mar 28, 2013 9:53 am Post subject: Re: Wires in wing |
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Pix of Panduit LHMSs. These really are better than what you can make.
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_________________
Eric M. Jones
www.PerihelionDesign.com
113 Brentwood Drive
Southbridge, MA 01550
(508) 764-2072
emjones(at)charter.net |
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