Can I measure the scale speed of my model trains and why you might want to?
The answer to the title question is yes you can.
I’ve worked out a formula that will allow you to do just this, if you have a digital stop watch or mechanical one that also displays 100ths of seconds, a calculator a piece of string and a tape measure.
Many online formulas required you to measure speed over a scale 1000 feet, which would be 401 centimetres in OO scale, not everyone has that amount of track or can get at it easily so I have used just four feet or 121.92 cm of our OO gauge track.
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