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LANDING LIGHT WIRE

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pacificpainting(at)comcas
Guest

Posted: Mon Nov 13, 2006 5:58 pm Post subject: LANDING LIGHT WIRE

I need to know what wire size to use for landing  lights. I realize it depends on voltage and watts and electrical stuff like  that. Would 16AWG be enough or does it need to be heavier? 

  

 Thanks,

 Dave in Salem - where it is still  raining

   [quote][b]

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dasduck(at)comcast.net
Guest

Posted: Mon Nov 13, 2006 6:57 pm Post subject: LANDING LIGHT WIRE

Dave,  

16 is the recommended gauge for 100W lights.  

don  

         

  

From: owner-zenith-list-server(at)matronics.com [mailto:owner-zenith-list-server(at)matronics.com] On Behalf Of Dave Ruddiman

 Sent: Monday, November 13, 2006 5:58 PM

 To: zenith-list(at)matronics.com

 Subject: LANDING LIGHT WIRE  

  

     

I need to know what wire size to use for landing lights. I realize it depends on voltage and watts and electrical stuff like that. Would 16AWG be enough or does it need to be heavier?   

    

   

    

Thanks,  

    

Dave in Salem - where it is still raining  

  

     --  Date: 11/13/2006 

  

--

 No virus found in this outgoing message.

 11/13/2006

     [quote][b]

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leinad

Joined: 19 Sep 2006
Posts: 283
Location: Central Virginia

Posted: Mon Nov 13, 2006 6:58 pm Post subject: Re: LANDING LIGHT WIRE

Dave,

I'm not sure what you're building.  I'm building a 601 XL and there is drawing  6-S-2 "Power Distribution Bus" that has a wiring schematic.  It calls for 14AWG for the landing as well as the taxi lights.

Dan  Corvair/601 XL

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_________________
Scratch building XL with Corvair Engine

pacificpainting(at)comcas
Guest

Posted: Mon Nov 13, 2006 8:30 pm Post subject: LANDING LIGHT WIRE

I'm building an 801. I have 16 gauge for my strobe/nav lights. The strobes 

are mounted in the tips. I haven't  installed any landing lights yet, but 

thought I'd ask ahead of time.

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Float Flyr

Joined: 19 Jul 2006
Posts: 2704
Location: Campbellton, Newfoundland

Posted: Tue Nov 14, 2006 6:19 am Post subject: LANDING LIGHT WIRE

Right on!

  

 Let us know:  

  

 What the current requirement is  for your light(s)  If there is more than one light how  many

 How long the run will be from your landing light  switch

 Will that wire be part of a  larger bundle ( doubtful )

  

 Landing lights can draw a lot  of current.  They are typically on for over five minutes at a  stretch.  If they are too small they can easily overheat especially if you  get a long final.

  

 For systems where the battery  is on the firewall and the lights are mounted in the cowl a relay between the  battery and the light could be an option.

  

 In systems where the battery is  behind the seats the lights could be powered directly from the main  buss.

  

  

 

Noel [quote]   

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_________________
Noel Loveys
Kitfox III-A
Aerocet 1100 Floats

pacificpainting(at)comcas
Guest

Posted: Tue Nov 14, 2006 6:30 am Post subject: LANDING LIGHT WIRE

Now, there you go asking me all those technical  questions. I don't know where the battery goes yet. Haven't got that far. I  might put the lights on the struts up by the wing and run the wires either  through the wing or inside the strut fairing. Maybe have one on each side. I  just wanted to know what size wire would be to small so that I can fish them  easier when I decide where to put the lights.

  

 Dave in Salem

  

  

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bryanmmartin

Joined: 10 Jan 2006
Posts: 1018

Posted: Tue Nov 14, 2006 8:09 am Post subject: LANDING LIGHT WIRE

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

Float Flyr

Joined: 19 Jul 2006
Posts: 2704
Location: Campbellton, Newfoundland

Posted: Tue Nov 14, 2006 12:10 pm Post subject: LANDING LIGHT WIRE

Ok ...  for a 100W sealed  beam bulb ( the norm ) the current required to light it is under 8 amps.  

  

 Now for the fun part  

  

 For one lamp with a run of 7' -  10'   16 ga 

 For two lamps on the same  wire       12 ga wire.

  

 For one lamp with a run of 12'  - 15' 14 ga

 For two lamps on the same  wire      10 ga

  

 These calculations were gleaned  from AC43 for continuous flow at 20C using tin plated MIL-W-27759  conductor

  

 I think you can see why the  length of the run is important as is the current draw of the lamps  themselves.

  

 I think I would install  the 10 ga wire for a couple of reasons.  1. It won't add that much weight  to your plane.  and 2. It will carry just about any load you may want to  put on it.

  

 Problems arise when you put too  much demand on a wire and the wire gets all hot and bothered about the extra  work.

  

 Hope this  helps.

  

  

 

Noel [quote]   

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Noel Loveys
Kitfox III-A
Aerocet 1100 Floats

pacificpainting(at)comcas
Guest

Posted: Tue Nov 14, 2006 1:15 pm Post subject: LANDING LIGHT WIRE

Now that's the kind of answer I like. Talk to me  like I don't know nuthin' or less, which isn't far from the truth when it comes  to electrical stuff. Turn the switch on, the light goes on. Turn the switch off,  the light goes off.

  

 Thanks Noel, and all the other  replies.

  

 Dave in Salem -  where the sun is out for a  couple of minutes.

  

  

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