Questions, Answers & Tips -
2
2. Prof Klyzlr’s illustration shows how off-center wheelsets
can lead to operational headaches.
but the rails (blue lines) are not parallel to the center as they
should be and the red line is not perfectly centered between the
blue lines representing the rails.
The result is the truck crabs down the track at an angle, and
will pick the smallest imperfection on the inside face of the rail,
climb over the rail, and derail.
Another check: place the loco on a known dead-flat surface, like
a sheet of glass. Get your eyes right down to wheel level, and
MRH-Jun 2014
