Looks like we need some math help.
A 40 foot boxcar with 50 ton capacity.
40 feet in S Scale is 7.5 inches. NMRA recommended weight is 2 oz
plus 1/2 oz per inch, or 5.75 oz.
50 tons is 100,000 pounds, which is 1,600,000 oz. Divide that by 64
cubed, and it comes to 6.1 oz.
Sounds pretty close to me.
-Michael Eldridge
-San Jose
> While I was idling around today I wondered if there was a formula for
> figuring the weight for prototype to scale. If you use 1/64, you would
> have one ton model for a proto car of 40 ton capacity -- that don't
> make!! Then I decided if you could figure volume by using the 64
> cubed that perhaps it might work for weight -- nope the car would
> weigh less then one half ounce that ain't it either.
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