# Scale

Discussion in 'FAQs' started by Bob Collins, Nov 2, 2001.

1. ### Bob CollinsActive Member

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I'm curious about scale. I realize that HO, which is what I am arttempting to model, is identified as 1:87. That part registers with me as a comparison with other scales.

My question is, does the scale hold true in all demensions? For instance, if I lay a foot of track on my layout does that represent 87 feet of track in the real world? If that is true then if I lay 20 feet of HO track I am laying something in excess of 1700 feet in real life, correct?

Bob Collins
2. ### WoodieActive Member

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scales

Bob,

What you say is correct. However I'm sure we need to compromise on distances etc. You know, towns etc are usually kilometres apart, and you can't really build a layout that represents that. Just like no real railroad would have the equivalent of a 20" radius. (145 feet), but that is exactly what a 20" radius represents.
3. ### roryglasgowActive Member

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Yep! My layout has 0.57 scale miles of mainline track. I am 0.44375 inches tall in N-scale. There are 33 feet in one scale mile in N-scale. There are 60.7 feet per scale mile in HO-scale.

I read about an O-scale layout (1:48) that had a mainline length of 1,500 feet. That's like 13.6 miles!

-Rory
4. ### Bob CollinsActive Member

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I calculate that my mainline is about 80' long, which according to what I read here says my mainline is something over 1 scale mile. Am I saying that correctly?
5. ### roryglasgowActive Member

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That's 1.32 scale miles.

-Rory (who has Microsoft(R) Calculator always handy)

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