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Track trouble (dc)

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  • Member since
    January 2017
  • From: Southern Florida Gulf Coast
  • 18,255 posts
Posted by SeeYou190 on Wednesday, March 4, 2020 1:35 AM

Afdahl Flats
I soldered a second set of feeders to the problem area and that fixed it.

Good to hear. I am glad you found an answer in the forums.

-Kevin

Living the dream.

  • Member since
    January 2014
  • 1,500 posts
Posted by ROBERT PETRICK on Sunday, January 12, 2020 10:36 AM

Afdahl Flats

The problem area is about twenty feet from the feeders.

Yeah, I latched onto this sentence as well. I don't know about Hornby Semi-flex track, but 20' has to be at least five or six joints, and whether soldered or not, that's a long way.

Glad to see the problem is resolved.

Robert

LINK to SNSR Blog


  • Member since
    December 2004
  • From: Bedford, MA, USA
  • 21,483 posts
Posted by MisterBeasley on Sunday, January 12, 2020 9:57 AM

There is an old movie called A Thousand Clowns in which the main character, Jason Robards Jr. Is often buying decorative eagles at yard sales.  "You can never have too many eagles,"  he tells his young son.

The same goes for feeders.

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

  • Member since
    February 2019
  • 33 posts
Posted by Afdahl Flats on Sunday, January 12, 2020 9:45 AM

I soldered a second set of feeders to the problem area and that fixed it. Thanks for the suggestions!

  • Member since
    January 2009
  • From: Bakersfield, CA 93308
  • 6,526 posts
Posted by RR_Mel on Sunday, January 5, 2020 8:39 AM

Is the track new?  Did it run OK then have problems later?  I’m not familiar with Hornby.  You mention Atlas turnouts, are you having problems with them also?
 
Is this a problem with a single locomotive? 
 
Some operating history might help.
 
 
 
 
Mel
 
 
 
My Model Railroad   
 
Bakersfield, California
 
I'm beginning to realize that aging is not for wimps.
 
 
 
  • Member since
    February 2019
  • 33 posts
Posted by Afdahl Flats on Sunday, January 5, 2020 8:24 AM

The track is hornby semi flex, but the switches are atlas. The solder melted completely, and just for good measure I tried soldering a wire from a good section of track to the problem area but that didn't work either. The problem area is about twenty feet from the feeders. I'll try some of your suggestions and see what happens, thanks

  • Member since
    January 2017
  • From: Southern Florida Gulf Coast
  • 18,255 posts
Posted by SeeYou190 on Saturday, January 4, 2020 12:46 PM

How far is this bad section of track from the power feeders?

.

Try running a temporary set of feeders past the bad spot. If it fixes it, you need more power feeders.

.

-Kevin

.

Living the dream.

  • Member since
    January 2009
  • From: Bakersfield, CA 93308
  • 6,526 posts
Posted by RR_Mel on Saturday, January 4, 2020 12:07 PM

What brand of track?  What kind of Solder do you use?  Are you sure the soldered joints are soldered correctly and not cold solder joints?
 
Clean track and clean wheels means poor conductivity to the rails from your power source.
 
 
Mel
 
 
 
My Model Railroad   
 
Bakersfield, California
 
I'm beginning to realize that aging is not for wimps.
 
 
  • Member since
    August 2006
  • From: Franconia, NH
  • 3,130 posts
Posted by dstarr on Saturday, January 4, 2020 12:04 PM

I have a spot like that which I have not troubleshot yet.  When I do I will give the track an extra good cleaning.  I will carefully watch the ammeter as the train goes thru the bad spot.  If current draw increases it is a sign the locomotives are encountering some kinda drag and are pulling more current to overcome it. Makes it a mechanical problem.  If current draw decreases I will suspect extra resistance  from somewhere is cutting power to the locomotives.  Then get out my voltmeter and check for track voltage staying constant thru the bad spot.  I run plain DC so voltmeters still tell me something.  If I were to find that track voltage drops off in the bad spot I will run another pair of feeders down to the power bus.  I will carefully check track gauge looking for narrow spots where the wheel flanges might be dragging on the rails.  I will inspect the turnouts near the bad spot, they might be out of gauge and causing extra drag.  I will run my fingers over the track feeling for rough spots, rail joiners not meeting up squarely, whatever.  I will file off any offending bits of nickel-silver or solder.

  • Member since
    February 2019
  • 33 posts
Track trouble (dc)
Posted by Afdahl Flats on Saturday, January 4, 2020 11:41 AM

I'm having problems with my HO scale track. The trains operate normally until they hit certain points in the track, when the power noticeably drops. The track is clean and the trains wheels are clean. I've soldered the rails together to no avail. Any suggestions?

Tags: DC , HO , rail , Track

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