... to get the details straight. For example 1:45 scale or 1:43.54? The 9ft dimension is the lead length to the virtual heel position (the red dimension below). Note that the heel offset is measured from one rail gauge-face to the other gauge-face, not over, or between the rails. 2_231113_100000000.png They are design dimensions, they can't necessarily be seen directly on the rails. The 9ft switch is a standard pre-set in Templot, you don't need to know any dimensions: 2_271819_180000000.png cheers, Martin. posted: 27 Feb 2019 23:54 from: Rob Manchester Hi Martin, As far as I know all the German O scale items are 1:45 scale. I used to dabble in Lenz O scale when they first came out. Here is the Lenz pdf catalogue- page 22 has the track- to 32mm gauge. Rob posted: 28 Feb 2019 00:07 from: Martin Wynne Rob Manchester wrote: As far as I know all the German O scale items are 1:45 ...