... : 28 Feb 2019 23:21 from: Stefan Sczekalla Just to add real-world measurements using a vernier caliper: (1): 32.20mm( also measured on other curved tracks) (2): 1.80mm (3): 1.80mm( on both siedes of the frog) (4): 1.90mm (5): 32.00mm( also used on simple straight tracks) I expect the curved tracks being .20mm more wide to fix the wheel/track problems which arise due to the realy small radii( here 914mm) 3579_281813_080000000.png cheers, Stefan Last edited on 28 Feb 2019 23:22 by Stefan Sczekalla posted: 1 Mar 2019 05:40 from: Martin Wynne Stefan Sczekalla wrote: What would be the benefit- instead of using the up-scaled Lenz/Peco outlines? Please keep in mind, that using "RTR" material is important to me, despite of its lesser "close to reality" being. Hi Stefan, You haven't posted your intended track plan, so it is difficult to know the sort of layout you are ...