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				Very impressive Bob. That´s the advantage with such beefy motors - almost silent, probably torque without end. Evidently that´s 100kg. I´m only a bit confused about the scale: Title says 1:7,5 but you just wrote 1:8??? 
 
Stefan
			
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 Stefan, The overall scale is 1:8, however some parts are slightly bigger. In the beginning when I was only building undercarriage parts, the overall scale was 1:7. If you count the links in the link assemblies, you will find one less than the real machine has. It came out like that, using the bearings I found. 
Thanks for watching.