Re: Tony Thompson & Scale Weights

Anthony Thompson <thompson@...>

Paul Hillman wrote:
Say, in HO scale, 87.1:1, we physically scale-down the prototype
dimensions by that ratio. What if the car were built of the exact same
materials as the prototype, would the weight scale-down by 87.1 also?
No, it would scale by the volume, which goes as the cube root of the scale. That would make it roughly 1.5 to 2 ounces.

Tony Thompson Editor, Signature Press, Berkeley, CA
2906 Forest Ave., Berkeley, CA 94705
(510) 540-6538; fax, (510) 540-1937; e-mail, thompson@...
Publishers of books on railroad history

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