3

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

2

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

1

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.
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