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[quote user="kstrong"] Also, larger scales using smaller scales' track is nothing new in the model railroading world. 1:20.3 using #1 gauge track is no different than On30 using HO gauge track, or Nn3 using Z gauge track. (Or 16mm using O gauge track). It's how narrow gauge has been done in model railroading for a good long while. Later, K[/quote] Kevin,  You're right, turning back the clock won't work, there is too much out there for that.What would work is the different mfgs at least letting the consumer know what scale the item is.As far as the reference to the  other NG scales; our techie did some quick checking and found the following:On30: Track gauge 16.5mm; Scale 1:48; Proto gauge should in that case be 792mm; however 30" equal 762mm ; which means a 4% errorNn3: Track gauge 6.5mm; Scale 1:160; proto gauge should be 1040mm; 36" equal 914mm; error is 13.8%Just for interest's sake our techie calculated On30 if the scale is  1:45; the proto gauge should be 742mm; error is 2.7%Nm: Track gauge 6.5mm; Scale 1:160; proto gauge should be 1040; 1000mm equals 39.37"; error is 4%.Sure looks like the errors are larger when applying imperial based measures and using a scale which has a built-in error. But apart from the gauge error at least the mfgs tell the consumer that the scale is 1:48 or 1:160. The wild array of scales - which are not necessarily noted on the packaging - appears to be a "G" exclusive.RegardsER PS As a sales manager I sometimes wonder how others answer when a customer inquires regarding the specific scale. [;)]
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