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How to best route wires to wing

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rparigor(at)suffolk.lib.n
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Posted: Sat Feb 07, 2009 5:53 pm Post subject: How to best route wires to wing

I need to get the following plumbed to my short (XS Monowheel) wings:PORT:PitotStaticAOAPosition LEDsStroberoll servoLanding LEDSTARBOARD:Factory stall warner tubePosition LEDStrobeTaxi LEDWhat location has been used with success?I have a conduit in center of ribs aft of spar to run all of the above.Considering the following:****Using Europas recommended entry just forward of fuse spar hole near top (this means stuff needs to be routed above spar****Routing some stuff below fuse spar hole, and being very careful drill a hole just aft of spar hole near bottom sneaking between fuel tank and aileron bracket (this will have stuff aft of spar)****Entering just aft and above rear lift pin (This will require drilling a hole close to the all too crucial rear lift pin layup)Any other input is most welcomed.Thx.Ron Parigoris   [quote][b]

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fklein(at)orcasonline.com
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Posted: Sat Feb 07, 2009 8:43 pm Post subject: How to best route wires to wing

On Feb 7, 2009, at 5:50 PM, rparigor(at)suffolk.lib.ny.us wrote:



 	  Quote: 	
		  

 ****Using Europas recommended entry just forward of fuse spar hole  

 near top (this means stuff needs to be routed above spar...


	


Given the space above the spar provided by the wing root fairing, why  

would you not go w/ the recommendation in the manual?



Seems straightforward enough...at least to this guy,



Fred

A194



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keithhickling(at)clear.ne
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Posted: Sat Feb 07, 2009 11:19 pm Post subject: How to best route wires to wing

Ron,

I ran the wiring for combined nav lights and strobes through behind the spar 

hole and between the fuse and fuel tank to the strobe driver in the back. 

But it was very difficult to pull it through, and I was quite nervous 

drilling the hole. There is only about 6 mm of space - just enough for the 

wire bundle. If I was doing it again I think I'd go with the easy and 

trouble-free route over the spar and in in front of the spar hole.



I took the pitot and static and AOA through in front of the spar hole. Easy.



Regards,

Keith.

---

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rparigor(at)suffolk.lib.n
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Posted: Sun Feb 08, 2009 1:03 am Post subject: How to best route wires to wing

Hi FredThx. for the reply. (reply.(at)suffolk.lib.ny.us)"Given the space above the spar provided by the wing root fairing, why would you not go w/ the recommendation in the manual?"I can agree with what is recommended in manual for my pitot, static,  and can also follow suit with AOA and Stall warner tube locations. My real question is with the high voltage wires for the strobe system that I have never seen a factory recommended location for power supply or wire run.I have a Kunzleman strobe with one power supply that is mounted in the  fuse.Running the high voltage wires, even though they are shielded right next to the com coax RG-400 cable I am not thrilled about. Thus if I mount power supply on the starboard baggage rib, would need to run high voltage wires along seam of fuse till forward of the rear of  seats, then could go down and out the suggested area Europa recommends for pitot and static tubes. They would parallel my positive battery wire on the starboard and the negative battery wire on the port side.I could also mount power supply just aft of the wheel well mud guard, but kind of a pain to mount and running power in and high voltage out can be done, but  kinda labor intensive.Or I can mount power supply on the starboard baggage rib, easy to mount, easy to access and run high voltage wires on the bottom of the baggage shelf outboard next to the fuse and above the flap arm and make a very short run when it exits the front face of the baggage bay shelf and run out of fuse slightly above and slightly aft of the rear lift pin mounting pad. High voltage would be clear of antenna and battery cables. This is what I am kinda thinking at the moment.I think it can be done without jeopardizing the strength of the rear lift pin area in a meaningful way, but would feel a lot better if someone else has experience doing this and not having rear lift pin failure.Ron Parigoris   [quote][b]

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fklein(at)orcasonline.com
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Posted: Sun Feb 08, 2009 1:23 pm Post subject: How to best route wires to wing

On Feb 8, 2009, at 1:01 AM, rparigor(at)suffolk.lib.ny.us wrote:

 	  Quote: 	
		  

 Or I can mount power supply on the starboard baggage rib, easy to  

 mount, easy to access and run high voltage wires on the bottom of  

 the baggage shelf outboard next to the fuse and above the flap arm  

 and make a very short run when it exits the front face of the  

 baggage bay shelf and run out of fuse slightly above and slightly  

 aft of the rear lift pin mounting pad. High voltage would be clear  

 of antenna and battery cables. This is what I am kinda thinking at  

 the moment.



 I think it can be done without jeopardizing the strength of the rear  

 lift pin area in a meaningful way, but would feel a lot better if  

 someone else has experience doing this and not having rear lift pin  

 failure.


	


Ron,



By chance, I'm wrestling w/ the same issues, but I had not thought  

about the strobes before zapping off my curt reply.



I will be penetrating the fuselage aft of the spar for my strobe  

wires. My large radius wing root fairings will enable the hole to be  

outside of the rear lift pin reinforcement, though even without them,  

I don't think a hole of the size we're talking about will have any  

structural ramifications (but of course I do NOT speak from direct  

experience).



My power supply will also be in the stbd baggage bay.



Good Luck,



Fred



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