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Volume--and therefore mass--goes by the cube of the scale. After all, you're reducing by a factor of 360 in all three dimensions, not just one. (We'll leave reduction in the fourth dimension to a future discussion on Fast Time. )So if a real 44-tonner were perfectly reduced to N scale, its mass would become 44 / (160*160*160) = 0.0000107421875 tons, or 0.34 ounces. That may seem a bit light, until you remember that a real locomotive (like most vehicles) is mostly air.As for reducing Earth to N scale at the same time, you'd have the same factor of 4096000 reduction in the mass of the planet. However, the surface of the planet would also be 160 times closer to the center of the planet than it is now. Since gravity changes with the square of the distance, this would offset two of the three "160"s in the original equation. Thus, the surface gravity of Earth-N would be 1/160th of the actual Earth.So, Earth-N would be a ball 49.5 miles in diameter, and it would only take a force of about 0.002 ounces to lift an N scale 44-tonner off its surface.Just goes to show how wimpy gravity is--it takes an awfully big pile of matter to make it, um, matter.

I'm not buying the 0.34 ounce calculations ... :

I am getting 2 yellow ones , is yellow heavier Zox ? :-\

Quote from: up1950s on June 03, 2009, 10:15:42 PMI am getting 2 yellow ones , is yellow heavier Zox ? :-\No, yellow isn't heavier--and it'll give you some protection against Green Lanterns, so I say go for it.