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nav/strobe wiring...shielded or not?

 
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w8n2bup



Joined: 09 Apr 2008
Posts: 20
Location: Kansas City Area

PostPosted: Thu Jun 26, 2008 3:36 pm    Post subject: nav/strobe wiring...shielded or not? Reply with quote

I'm certain this has been discussed but I could not find in archives. (Maybe someone can point me to one) I found that my 601 kit does not have enough 16 guage wire so I was about to call Wickes to order some when it occurred to me that the strobe wire, but maybe not the nav, might need to be shielded wire. My strobe unit is out at the wing tip. I was going to use the kit supplied white 16 guage wire but I don't think it has shielding?. Is there any back noise generated down the power wire for the strobe unit or will any noise stay at the wing tip? For the nav light, I thought I would order unshielded red wire for the left wing and green for the right just to make wiring easy at the instrument pannel. Wickes ,however, does not have green but my local hardware has auto grade wire that is green.... though I'm not certain I can use this in a plane. Any thoughts? Thanks

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Gig Giacona



Joined: 10 Jan 2006
Posts: 1416
Location: El Dorado Arkansas USA

PostPosted: Thu Jun 26, 2008 4:32 pm    Post subject: Re: nav/strobe wiring...shielded or not? Reply with quote

The noise should stay out there in the wing and not be a problem.

BTW. I used to have all these great ideas about different colors of wires. That was until the last few weeks when I started to realize just how much wire is in a 601XL.
w8n2bup wrote:
I'm certain this has been discussed but I could not find in archives. (Maybe someone can point me to one) I found that my 601 kit does not have enough 16 guage wire so I was about to call Wickes to order some when it occurred to me that the strobe wire, but maybe not the nav, might need to be shielded wire. My strobe unit is out at the wing tip. I was going to use the kit supplied white 16 guage wire but I don't think it has shielding?. Is there any back noise generated down the power wire for the strobe unit or will any noise stay at the wing tip? For the nav light, I thought I would order unshielded red wire for the left wing and green for the right just to make wiring easy at the instrument pannel. Wickes ,however, does not have green but my local hardware has auto grade wire that is green.... though I'm not certain I can use this in a plane. Any thoughts? Thanks


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PostPosted: Thu Jun 26, 2008 4:34 pm    Post subject: nav/strobe wiring...shielded or not? Reply with quote

I'd recommend staying with the aircraft grade Tefzel insulated
wire. That is more important than the color of the insulation.

I'd also recommend unshielded wire for installation of strobe with
the flash unit in the wing tip. The long power lead shouldn't see
much noise from the flasher power supply, and you can twist the wires
from the supply to the strobe tube to reduce noise. All of that
stuff is in an aluminum grounded box because of its location.

Good luck,

Paul
At 04:36 PM 6/26/2008, you wrote:

Quote:
I'm certain this has been discussed but I could not find in
archives. (Maybe someone can point me to one) I found that my 601
kit does not have enough 16 guage wire so I was about to call Wickes
to order some when it occurred to me that the strobe wire, but maybe
not the nav, might need to be shielded wire. My strobe unit is out
at the wing tip. I was going to use the kit supplied white 16 guage
wire but I don't think it has shielding?. Is there any back noise
generated down the power wire for the strobe unit or will any noise
stay at the wing tip? For the nav light, I thought I would order
unshielded red wire for the left wing and green for the right just
to make wiring easy at the instrument pannel. Wickes ,however, does
not have green but my local hardware has auto grade wire that is
green.... though I'm not certain I can use this in a plane. Any
thoughts? Thanks



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bryanmmartin



Joined: 10 Jan 2006
Posts: 1018

PostPosted: Thu Jun 26, 2008 4:44 pm    Post subject: nav/strobe wiring...shielded or not? Reply with quote

I have my strobe power supplies mounted under the seats in the cabin.
The 12 volt wire is unshielded and the high voltage wire leading to
the strobe heads is shielded. I also used unshielded wire for the nav
lights. I can hear some strobe noise if I turn the intercom volume way
up but it is not noticeable at normal volume. I used shielded cable
for all of my audio circuits with the shields all grounded at only one
end at the audio panel.

I would be reluctant to use automotive wire anywhere in the cabin.
When that stuff overheats, it can catch fire and give off some nasty
fumes.

B and C specialty products carries 16 gauge aircraft wire in red,
blue, black and white.

http://www.bandc.biz/parts.html

They also carry clear heat shrink to put over wire labels. I made wire
labels on my computer printer and attached them to my wires under
clear heat shrink at each end to keep stuff sorted out. I also used
various colored Sharpie markers to help keep track of wires. The ink
tends to rub off fairly easily but it works well enough.

Quote:

>

I'm certain this has been discussed but I could not find in
archives. (Maybe someone can point me to one) I found that my 601
kit does not have enough 16 guage wire so I was about to call Wickes
to order some when it occurred to me that the strobe wire, but maybe
not the nav, might need to be shielded wire. My strobe unit is out
at the wing tip. I was going to use the kit supplied white 16 guage
wire but I don't think it has shielding?. Is there any back noise
generated down the power wire for the strobe unit or will any noise
stay at the wing tip? For the nav light, I thought I would order
unshielded red wire for the left wing and green for the right just
to make wiring easy at the instrument pannel. Wickes ,however, does
not have green but my local hardware has auto grade wire that is
green.... though I'm not certain I can use this in a plane. Any
thoughts? Thanks


--
Bryan Martin
N61BM, CH 601 XL,
RAM Subaru, Stratus redrive.
do not archive.


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TxDave



Joined: 22 Jul 2006
Posts: 168
Location: Temple, TX

PostPosted: Thu Jun 26, 2008 11:00 pm    Post subject: Re: nav/strobe wiring...shielded or not? Reply with quote

Bryan,

Thanks for posting the link to B and C. The diagrams on their Web site are very helpful and informative.

Dave Clay
Temple, TX


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DaveG601XL



Joined: 27 Oct 2006
Posts: 349
Location: Cincinnati, Oh

PostPosted: Fri Jun 27, 2008 3:31 am    Post subject: Re: nav/strobe wiring...shielded or not? Reply with quote

If you have not already, get on board the Aeroelectric List that is also part of the Martonics forum family. It has been invaluable to me and my electrical education. It is moderated by Bob Nuckhols, a well known industry expert. I know that questions like yours have been covered there before and are probably available in its archives.

Good luck,


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Ianrat



Joined: 31 Mar 2008
Posts: 43
Location: Brisbane AUSTRALIA

PostPosted: Fri Jun 27, 2008 3:37 am    Post subject: Re: nav/strobe wiring...shielded or not? Reply with quote

What is the best flasher unit to use (Head unit at the wing tip or in the cockpit)

Thank you
Ianrat Question


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bryanmmartin



Joined: 10 Jan 2006
Posts: 1018

PostPosted: Fri Jun 27, 2008 5:35 am    Post subject: nav/strobe wiring...shielded or not? Reply with quote

I had to replace one of my strobe power supplies once. I can get to
mine through the access panel in the seat bottom. In the wing tip, you
would either have to remove a bunch of rivets to get at it or attach
the wingtip panel with screws in the first place. Other than that, it
doesn't make a lot of difference where you mount them.

Quote:


What is the best flasher unit to use (Head unit at the wing tip or
in the cockpit)



--
Bryan Martin
N61BM, CH 601 XL,
RAM Subaru, Stratus redrive.
do not archive.


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