Read the stopped seconds as speed in km/h or miles per hour.


Now you start the train and stop the time which the model needs for the journey from the red to the green flags.


First you determine on your model railroad layout a measuring segment with start and stop – a short distance for low speeds, a long one for high speeds.

In this example the eagle train needs for the journey 50 seconds, that correspondends to a speed of 30 km/h.
If your browser can’t play Quicktime films, this link shows you a simplistic expiry