Reply to "Are MTH Premier Locos with scale wheels considered P48 (true scale)?"

pittsburghrailfanOGR Forum Member

GG1 4877 posted:
pittsburghrailfan posted:
Another quick question. I realize that the trucks and wheelsets are gauged for OW5. However, MTH and Lionel both insist that their engines and rolling stock (at least in the Premier and Lionscale lines) are built to 1:48 scale proportions. Are the shells and frames P48? Or are they scaled for OW5 as well?
This is a confusing part about O scale in general. 1:48 is the proportion of the model and is not at all related to the gauge of the track. OW5 refers to track gauged at 5' between the rails, Proto 48 refers to 4'-8 1/2" between the rails.
A model can be ON3 (O scale narrow gauge 3') and it is still a 1:48 proportioned model. The rail spacing is simply scaled for 3' between the rails.
Once you make the mental separation between proportion and track gauge, it is much easier to sort it all out. Not always an easy thing to grasp at first.
Does that help?

Very much so. Thank you.

5/15/178:57 PM

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