The Montezuma Yardmaster Wrote:
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> To give Timmy a direct answer, trains make a lot
> of noise because they are very large and because
> they have a lot of cars to make noise when going
> fast. When going slowly, they are pretty quiet
> except for the locomotives. The diesel engines in
> the locomotives make the most noise excepting the
> warning horns. Electric locomotives are very
> quiet except for when sounding the horn. One
> heavy-duty truck-tractor pulling a semi-trailer
> (total of 18 wheels) at freeway speed is VERY
> noisy. Large tires at freeway speed are VERY
> noisy. Trains also make very different kinds of
> noises than road vehicles. Their wheels make
> clicks running along the rails and make squeals
> when in curves in the track. Can anyone else do
> better than this in just a few words?

OK, now explain to us why cows fart.