... more accurate scale/gauge relationship in 0 scale but by keeping the gauge the same and changing the scale, unlike the UK which keeps the scale the same and has a plethora of gauges. As far as I remember, the track and wheel standards were the same for 1/4" and 9/32" scales. Jim. 29 Jul 2011 07:04 from: Jim Guthrie I've just been doing a bit of Googling and found this web page which mentions Q scale http://www.spikesys.com/Modelrr/scales.html But I also note a mention of 17/64" scale on that page and I now think that I remember that as the accurate scale gauge relationship.. Jim. Last edited on 29 Jul 2011 07:14 by Jim Guthrie posted: 29 Jul 2011 08:22 from: Alan Turner Jim Guthrie wrote: I've just been doing a bit of Googling and found this web page which mentions Q scale http://www.spikesys.com/Modelrr/scales.html But I also note a mention of 17/64" scale ...