This page is an A-Z of
(Some are my own, others are from the
The commutator is
the slotted copper segments at the end of the
armature on an electric motor, which transfers the current from the
brushes to the coils wound on the armature (definition courtesy of
Fishplates: The small pieces of metal
that are use to connect one piece of track to another. They also allow power
to be transferred between rails.
In most points this is the black triangular section of a point which is
isolated to stop the power crossing to the wrong track and shorting the
Gauge is the name given to the distance between
the rails. "00" gauge which this site mainly deals with (although most is
compatible with HO) scale is 1:76.
Loading gauge designates the space required either side and above the track
that needs to be clear, so that either the locomotive and its carriages can
pass without hitting anything.
Points: Also called turnouts. These are
used to allow trains to move from one track to another.
Tender: A wagon that runs behind a
locomotive for the purpose of carrying fuel and water.
Transformer: In terms of model
railway. An electrical device that affects the transfer of electricity from
one circuit to another with a change in voltage, current, phase, or other
The distance between axels or the centre of a bogie, which ever is
The two/three digit number that is unique to a particular train model.
The numbers after the class number denote the production number.
This page is a work in progress