Model Train Derailments

A small but annoying model train problem comes in the form of derailment.  Pinpointing what’s causing the derailment can also be very challenging and frustrating if more than a few divisions of the tracks get affected.  Dirt or dusts is one factor that can cause derailments and cleaning tracks, engines and cars is the simplest measure to do in zeroing in on the problem.  When the derailment stops after cleaning, then it was just a small thing that caused it and the it’s a lucky run for the model train enthusiast.

If derailment still happens, however, a much significant issue in the model train or railway arrangement could be the culprit particularly if it happens in one section and pinpointing the problem may require further meticulous investigation.  Aside from the way tracks are placed, other factors to consider are additional locomotives or cars, and any changes in the scenery or layout.  You have to be open-minded to be able to consider all possibilities as the spot where the occurrence of the derailment may not always be the source of the problem. 

Make sure that no small or big piece of sceneries are obstructing the tracks.  Track nails and joints should also be inspected meticulously.  Make sure no nail heads are peeking up even if it’s only slight and make sure that no nail has a loose fit. 

In some instances, extension of cars and wagons can also bring about model train derailments.  Run the model locomotive on its own without the cars and wagons.  If the derailment happens in just one section over and over, the position of the track could be the problem.  Carefully look at or measure the track’s degree angle because the track could be in a slope which might make your locomotive lose its stability especially if its wheels are non-magnetized.  Another factor that could contribute to derailment is if the track is incompatibly curved for the model locomotive. 

Tracks that have tight curves will potentially cause derailment and it is also important to consider the locomotive’s axle count as well as the number of cars to your model train extension.  Model locomotives with six axles usually require a curve radius of 22 degrees and going below that would most likely derail the model train.  How many cars can be connected should also be considered since centripetal force and inertia could play a role in derailment especially in tight turns at fast speeds.  Dips and bumps should also be checked as these could cause tilts and jumps. 

If the positioning of track sections have no problems, check the cars and wagons and thoroughly examine each one especially their couplers, axles and wheels.  Make sure the couplers are not mounted too low and all wheels should turn without problems.  The width of the track should also determine the width of the wheels.  If there is one or several wheel or coupling that is loose or tight, try to re-mount them if possible.  If re-mounting doesn’t solve the problem, replacing them is the only option left.  Once more, always clean wheels and tracks.

Whether the problem with the derailment has to do with small or big factors, it is important to be patient and thorough towards determining it and getting it fixed.  Technical and problem solving skills are just some qualities needed for a model train hobbyist and every configuration and repair done is part of the satisfaction model trains bring.

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