Here I show my chart for converting model railway speeds to scale speeds. You may pause the video to read the times. This is for 00 Gauge - 1/76th scale.

I measure the time it takes for a loco to travel the length of a long straight, which is 26.4 inches (670mm). I then use my simple chart to estimate the speed.

Mind you for more accurate speeds measure the time over a longer distance.

These speeds I verified against other online ones. My chart goes up to 200mph, only because one of my little cheap shunters does around 180mph scale speed.

Internet search 'Calvertfilm'.
Calverton web page: [ Ссылка ]

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