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Non-DCC turn-out (HO scale)

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  • Member since
    October 2004
  • From: Colorful Colorado
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Posted by Texas Zepher on Sunday, March 24, 2013 10:59 PM

NILE
I switched it out with an Atlas switch an no more shorts.  I wonder if the Shin-o-hara was pre-DCC or just a bad piece of track.

I am guessing neither.   Until it is wired correctly one cannot tell if it is "bad".

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Posted by locoi1sa on Sunday, March 24, 2013 6:47 PM

I'm sorry.

 I must have mixed up posts. Here is the link. http://www.proto87.com/making-rtr-turnouts-dcc-friendly.html

 Sorry. I reply to many posts and get mixed up sometimes. Must come with age.

        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!

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Posted by maxman on Sunday, March 24, 2013 5:59 PM

locoi1sa
The turnout can be salvaged using the link earlier in the post.

I might have missed it, but I looked through several times and don't see a link.

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Posted by locoi1sa on Sunday, March 24, 2013 4:23 PM

Nile.

 Did you have the two frog rails insulated? I suspect that the frog was not entirely isolated. The turnout can be salvaged using the link earlier in the post. The work is easier to do at the workbench.

      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!

  • Member since
    September 2008
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Posted by NILE on Sunday, March 24, 2013 3:57 PM

I switched it out with an Atlas switch an no more shorts.  I wonder if the Shin-o-hara was pre-DCC or just a bad piece of track. 

  • Member since
    October 2004
  • From: Colorful Colorado
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Posted by Texas Zepher on Wednesday, March 20, 2013 8:37 PM

NILE
How do you insulate the main?

Put an insulated rail joiner or cut a gap in the rail coming out from the frog connected to the main.

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  • From: Southwest US
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Posted by tomikawaTT on Tuesday, March 19, 2013 11:00 PM

Older Shinohara turnouts had little bronze wipers attached to the points, which went under the stock rails to make a better electrical connection than the normal flat point to flat(tened) stock rail.  Problem was, they would both contact the stock rails at the same time (make before break, in electrical parlance) and effectively short one stock rail to the other.  This wasn't even noticeable with DC power, but even a short that lasts less than a millisecond will trip a DCC system off-line.

Look into the space between the open point and the adjacent stock rail.  If you see that telltale brazen gleam, take action to amputate the wipers, on both sides.

Then, to assure that the frog is properly powered, connect one set of the contacts on your switch machine to the frog (center or moving contact) and the stock rails (fixed contacts.)  Make sure that the rail with the closed point is the one powering the frog.

Chuck (Modeling Central Japan in September, 1964)

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Posted by locoi1sa on Tuesday, March 19, 2013 7:05 AM

Nile.

 Putting insulated joiners at the two rails that v out from the frog or cut a gap in those two rails.

        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!

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    September 2004
  • From: Dearborn Station
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Posted by richhotrain on Tuesday, March 19, 2013 5:22 AM

NILE,

Did you swap the two turnouts to see if your wiring was the problem?

Rich

Alton Junction

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Posted by NILE on Tuesday, March 19, 2013 3:19 AM

The turnout in question is the start of my branch line which does dead-end just like a long siding.  How do you insulate the main?  Thanks for all your help.

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  • From: Sierra Vista, Arizona
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Posted by cacole on Monday, March 18, 2013 10:11 PM

Older Shinohara turnouts were not "DCC Ready" and require that both rails diverging from the frog be insulated.  The only time you would not need to do so is for a dead-end siding, but the main line would still need to be insulated.

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  • From: Dearborn Station
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Posted by richhotrain on Monday, March 18, 2013 8:30 PM

Take out the offending turnout and put the other one in its place.

If your wiring is the problem, that second turnout will short out just like the first turnout.

Rich

Alton Junction

  • Member since
    October 2004
  • From: Colorful Colorado
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Posted by Texas Zepher on Monday, March 18, 2013 8:22 PM

NILE
I have a shin-o-hara turnout that when I put it in the closed position it shorts our the layout.  I suspect this means it is non DCC.  Can it be modified or do I need to replace it?  I bought two turnouts at the same time, however only one seems to short out the layout. 

The turnout in question is being used for a branch line off of the primary main, and doesn't even have electrical feeders connected to the branch yet, so I know I did "cross the wires". 

It has NOTHING to do with DCC.  This is the 4th or 5th thread in the last week concerning Shinohara electrical problems topic.  Was there a natonal sale or super clearance on them somewhere?

A short circuit is a short circuit whether one is using DC, AC, DCC, Railcommand, TCS, DCS, or any other form of electricity.

I am guessing the turnout that is causing the problem is in a loop of track, true?  If so the loop is causing the power to go around the track and back to the other side.   The generic way to deal with Shinohara turnouts without having to analyze the situation is to ALWAYS insulate or gap both the rails coming from the frog.  Then add electrical feeders as necessary.

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Non-DCC turn-out (HO scale)
Posted by NILE on Monday, March 18, 2013 8:13 PM

I have a shin-o-hara turnout that when I put it in the closed position it shorts our the layout.  I suspect this means it is non DCC.  Can it be modified or do I need to replace it?  I bought two turnouts at the same time, however only one seems to short out the layout. 

The turnout in question is being used for a branch line off of the primary main, and doesn't even have electrical feeders connected to the branch yet, so I know I did "cross the wires".   Thoughts?

 

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