Factors That Could Cause Derailment In Model Trains

One of the most small but annoying problem with model train hobby is derailments.  Finding the cause of it can also eat up a lot of time and effort especially if it occurs on more than one track section.  Dirt or dusts is one factor that can cause derailments and cleaning tracks, engines and cars is one easy way to sort out derailment issues by way of elimination process.  Make a few trial runs and if all goes well, then the derailment probably originated due to grimy bits and pieces.

If the model train still derail, a much relevant factor in the model train or railway arrangement could be the culprit mainly if it happens in one section and meticulous investigation will be necessary to find the source of the problem.  Apart from the way tracks are placed, other factors to think about are additional locomotives or cars, and any changes in the scenery or layout.  Being broad-minded is essential in conditions like this as the area where the occurrence of the derailment may not at all times be the source of the problem. 

Obstruction in the tracks could show the way to derailment or stoppage so make sure sceneries are not lying on any part of the track.  Joints and nails of the tracks should also be carefully inspected.  Nails should have a tight fit on where they are seated and loose ones should be examined right away and adjusted if it’s called for. 

The cars and wagons that trail the locomotive can also trigger derailments in some cases.  Determining this would also call for elimination process so you have to disconnect the cars and wagons and let the model locomotive run solo.  If the derailment happens in one portion of the track, the problem could be the arrangement of the track.  Meticulously look at or measure the track’s degree angle because the track could be in a slant which your locomotive can’t handle 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. 

Curved tracks are potential derailers and it is also important to consider the number of axles in the model locomotive and also the number of cars to your model train extension.  Model locomotives with six axles usually require a 22 degree curve radius and anything lower would most likely derail the model train.  The number of extension cars and cabs should also be considered since centripetal force and inertia could play a role in derailment specially when the model train is going fast on tight turns.  Other unplanned inconsistencies like bumps or dips should also be sorted as these could deliver imbalance and tilting. 

If the positioning of track sections have no problems, each cars and wagons should be checked thoroughly especially their couplers, axles and wheels.  Low-mounted couplers should be elevated and all wheels should easily turn.  The width of the wheels should also be properly set according to the track’s width.  If there is one or several coupling or wheel that is loose or tight, try to re-mount them if possible.  If derailment still occurs after re-mounting, it might be time to replace them with new ones.  Once more, never forget to clean every wheel.

Given that derailment problems can be because of plenty of causes, patience and diligence is important towards finding it and fixing it.  Technical and problem solving skills are just some qualities needed for a model train hobbyist and every customisation and repair done is just one of the many satisfactions model train hobby brings.