The O gauge was a zero - and so "smaller" than 1 gauge.
HO was "supposed" to be "half-O" but not quite.
In the 1940's there was quite a battle over what scale HO should be, and you'll note that British HO runs on HO tracks but is bigger than US HO.
S was supposed to stand for "standard" - but nobody but Gilbert used it.
Smaller than HO was another fight ... but I never followed it.
No. There are many different scales, or gauges, of model trains. For example, an N scale train would be too small to fit on HO scale track.
It depends on the scale. Different scales measure at a ratio. Such as N scale, with a 1:160 ratio, a thirty mile per hour train only goes .18 mph in scale.
scales
The anagram is "scales."
Yes an operating model train has friction.
The fastest train is the well-known magnet train.
scales
Athearn model train sets are not necessarily worth more than Lionel train sets. The value of a train set depends on it's age as well as the model of the set.
Mail means the train which carries the post letters. Express train which not.
A model train may be purchased at a hobby shop or toy stores. Model trains are also found online at speciality web stores such as Model Train Stuff or Hobby Linc.
Rerailer is a tool that helps keep the train on track and terminal rerailer is the one that connects the model train to the power supply or electricity.
You have to train a very long time to be a model. You must practice constantly. And never give up!