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... and the ratio of tractive force to the weight of the locomotive changes ... that's part of the gain, that adding the same tractive force does not add the same weight, because the generator is not carried along for the ride.

I've been accused of being a Marxist, yet while Harpo's my favourite, it's Groucho I'm always quoting. Odd, that.
by BruceMcF (agila61 at netscape dot net) on Sat Dec 13th, 2008 at 01:13:58 PM EST
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