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Locomotive LEDS

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  • Member since
    February 2003
  • From: US
  • 971 posts
Locomotive LEDS
Posted by alloboard on Monday, July 14, 2008 1:59 PM
What is the neatest and most efficient way of holding locomotive lights on to the shell holes? I will also like to use a mixture of contact wipers instead to string wires all the way from a decoder onto the front of the locomotive.
  • Member since
    April 2008
  • From: Los Angeles
  • 199 posts
Posted by Randall_Roberts on Monday, July 14, 2008 5:56 PM
 davidmbedard wrote:

I mount all my LEDs on my frame and have them live just behind the lights....but I am strange like that.

David B

I prefer that too.  It makes it easier to take the loco apart again if you need to.

Randall Roberts Visit http://modeltrains.about.com Subscribe to the FREE weekly Model Trains newsletter.
  • Member since
    December 2004
  • From: Bedford, MA, USA
  • 19,696 posts
Posted by MisterBeasley on Monday, July 14, 2008 6:38 PM
 davidmbedard wrote:

I mount all my LEDs on my frame and have them live just behind the lights....but I am strange like that.

David B

Another vote for this.  I do have some engines where I've actually glued the LED into the shell, but that eternally tethers the shell and frame via the wiring.  (No choice on this, really.  Just the way it was.)

LEDs have a very directional light output, like a flashlight beam.  So, even if you are a bit behind the shell, most of the light will still come out the front.

As for the wipers?  Nah.  Don't even consider it.  You won't be able to control the headlights from the decoder, the wipers are going to give you more flicker than running through the decoder, and the wipers add drag to the engine and will force you to use more power just to move down the track.  The minor hassle of running wires is really well worth the gains of wiring the lights correctly to begin with.

It takes an iron man to play with a toy iron horse. 

  • Member since
    July 2006
  • 3,312 posts
Posted by locoi1sa on Monday, July 14, 2008 7:42 PM

  Wire the LEDs!!!! Do you want to pop a decoder light function or a $3 LED. Wire is cheap and easy to tie back and handle. I have glued LEDs to the shell with some silicone or rubber cement.

   Pete
 

 I pray every day I break even, Cause I can really use the money!

 I started with nothing and still have most of it left!

Dub
  • Member since
    July 2008
  • From: Seacoast, New Hampshire
  • 224 posts
Posted by Dub on Sunday, July 20, 2008 12:42 AM

If you fix to the cab, go with silicone. It's removable. I once used red to fasten yellow flashers and it reflected out. Black is prefered.

Bob
  • Member since
    August 2007
  • From: Maryland
  • 178 posts
Posted by mikebo on Sunday, July 20, 2008 12:47 PM

It really depends on the loco. Some (most proto 2k, some Stewart) have a recess in the weight or cab interior where you can sit the led.  On other I either use double face tape and a few inches of excess wire to allow me to remove the shell.  Another approach is to glue a piece of plastic tube behind the light opening and push the LED in the tube.

Recently I have found that Microscale Krystal Kleer, stuff thats made to create windows works pretty well to hold LED's in place. Once it dries it's clear and is water soluble so you can remove it if you need to.

Mike Modeling Maryland Railroads in the 60's (plus or minus a few years)

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