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November 18, 2017, 02:22:44 AM
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1  Discussion Boards / N / Re: derailments on: October 13, 2017, 02:24:31 PM
Thanks much.  The interesting thing I have noticed is that the derailments at turnouts happen more frequently when the diesel is running with the short nose pulling which I am assuming is the usual mode of operation.  Why this happens is a mystery since undercarriage trucks and features look the same on either side.
2  Discussion Boards / N / Re: derailments on: October 03, 2017, 12:48:37 PM
I assume the gauge tool can be purchased from hobby shops or online dealers?  Are the measurement for wheels also available online?  I appreciate your help.
3  Discussion Boards / N / Re: derailments on: October 01, 2017, 02:04:02 PM
All switches are remote controlled with switch machines attached.  Derailments occur at different speeds, slow or fast, and without any freight cars attached. 
4  Discussion Boards / N / Re: derailments on: September 28, 2017, 12:41:12 PM
Thanks for the reply.  All track and turnouts are Atlas Code 80 track.  The engines are one Atlas and one Bachmann; the Bachmann is a GP 40 series, the Atlas a GP38.  Interesting that the derailment seems to occur as the rear carriage is crossing.  The front carriage appears to be making the turn properly.  I'm afraid the answer is what you stated about a turnout immediately following a tight curve.
5  Discussion Boards / N / derailments on: September 25, 2017, 01:12:18 PM
I've been plagued with frequent derailments which occur on 2 code 80 remote switches; one right and one left.  Both are positioned after 9" radius curves.  When in the  switch position my diesels are prone to derail going into the turn.  Is this possibly a function of switching, the potential for derailing? Are the curve radii too tight? Are diesel engines prone to derail? Using both atlas and Bachmann engines. Checked track alignments, slow engine speeds, cleaned tracks etc.  Any thoughts?
6  Discussion Boards / N / Re: power loss on: April 26, 2017, 12:09:18 PM
Thanks.  Will check. Smiley
7  Discussion Boards / N / Re: power loss on: April 22, 2017, 12:52:20 PM
Thanks to both responders.  Forgive my lack of nomenclature identification.  Before ballasting and before nailing down track I checked all blocks, and turnouts, for proper connection and functioning.  For whatever reason after ballasting I found a dead spot within one block.  However the dead spot occurred in the remote RH turnout. The terminal connector for this block is supplying current to the track.  I have a simple current tester (light bulb).  Within the turnout I lose power.  I have power to the common rail thru the entire block when the  tester is linked to a control rail outside the block.  The problem is in the control rail within the turnout.  Imagining a Y with 2 branches attached to a stem, I have power on the left branch above the junction with the stem.  The right branch is dead as is the stem of the Y.  Since I do not wish to rip apart the ballasted track and since the turnout works fine otherwise, I have decided to connect another terminal connector to the control rail and set this up as a separate block.  I still don't understand why there is a power loss on the control rail IN the turnout.  It is an older Atlas remote turnout.  Thanks.
8  Discussion Boards / N / power loss on: April 13, 2017, 05:09:43 PM
Having just finished ballasting I cleaned my tracks and gave my diesel a run to check the electrical conductivity.  Besides some sticky remote turnouts the major problem I encountered is the loss of power in one segment.  This is an isolated segment with a terminal joiner and plastic rail connectors.  The power loss appears to happen at the remote switch.  I have verified power between the terminal connector and track to the turnout. I have power in the common rail. However my tester shows no power on the track and turnout past the insulators.  Have I some how shorted out my power at the remote turnout during the ballasting process?  I would appreciate any thoughts.
9  Discussion Boards / N / Re: ballasting n gauge on: April 01, 2017, 12:06:19 PM
Thanks for sharing  Smiley.
10  Discussion Boards / N / ballasting n gauge on: March 31, 2017, 09:25:22 PM
I have watched almost every you tube video on ballasting.  But I am running into a problem.  After laying down the ballast, when I wet down the ballast and apply the cement (woodland scenic) with an eye dropper I keep getting ballast particles winding up on the track ties.  I am sure that I am removing all ballast from the ties prior to gluing.  Also I have noticed that the cement when applied tends to reshape the ballast.  I am applying the cement carefully, down close to the track.  My wet water contains dish detergent as stated in numerous videos.  Any suggestions how I can get a smoother result when applying glue or what I may be doing wrong?
11  Discussion Boards / N / deleting old topics on: February 23, 2017, 01:21:49 PM
If a question has been asked and answered to my satisfaction is it possible to delete that question?  I have tried by hitting delete and get a message that states "you cannot delete topic in this forum."  Do questions/topics stay forever?
12  Discussion Boards / N / Re: DC polarity on: February 12, 2017, 01:30:42 PM
Thanks for the reply.
13  Discussion Boards / N / Re: DC polarity on: February 11, 2017, 10:10:57 PM
Thanks Len.  So train direction controlled by separate cabs in each block can be similar or opposite.  Seems the Atlas selector keeps things right.
14  Discussion Boards / N / DC polarity on: February 11, 2017, 08:22:37 PM
I'm running into a mental block concerning DC polarity.  I am setting up for 2 cab operation, and for purposes of understanding my question, let's say I have 2 basic ovals connected by turnouts. I have placed plastic rail joiners to create separate blocks, connected everything to an Atlas selector etc; where I am getting hung up is while I am using separate cabs to control Train A on the outer oval and Train B on the inner oval mustn't they always run in the same direction due to the polarity of the control and common tracks?  In other words when you change direction of Train A aren't you changing the polarity of the common rail, so that the polarity of the common rail would conflict with the polarity of the common rail controlling Train B?  Am I making this too complicated for myself?  My hobby shop guy says the polarity only changes on the control rail.  Diagrams in the Atlas wiring manual show positive and negative rails. Some track plans (Atlas) in discussing turnouts specifically talk about "opposing trains."  Any clarification is appreciated.  Undecided
PS there are no wyes or reversing loops in my layout.
15  Discussion Boards / N / couplers (again) on: February 10, 2017, 01:50:59 PM
Things seem to get more complicated as I wander deeper into the hobby.  Re couplers: Does anyone  care to weigh in on which brand of couplers are most universal in terms of working with different train makers?  I like the idea of using magnetic couplers but noted several manufacturers now supply their magnetic couplers on their products e.g., Bachmann, Atlas etc. and of course Grin MTI.  I currently have dummy knucklers on my Bachmann cars and rapidos on older rolling stock.  Would like to standardize my couplers, though not every car needs magnetics.  Any thoughts on how to simplify replacements? I have seen a You Tube video comparing couplers but don't think he talked about compatibility. 
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