[BITList] Intriguing History of Technology
franka
franka at iinet.net.au
Thu Jul 14 01:15:08 BST 2011
> /*/Please read all the way to the end. Suprise, suprise./*/
> /*/Crazy Horse./*/
> Railway Tracks
>
> *The US standard railroad gauge (distance between the rails) is 4
> feet, 8.5 inches. That's an exceedingly odd number.*
> *Why was that gauge used? Because that's the way they built them in
> England , and English expatriates designed the US railroads.*
>
> *Why did the English build them like that? Because the first rail
> lines were built by the same people who built the pre-railroad
> tramways, and that's the gauge they used.*
>
>
> *Why did 'they' use that gauge then?*
>
> *Because the people who built the tramways used the same jigs and
> tools that they had used for building wagons, which used that wheel
> spacing.*
>
>
>
>
> **
> *Why did the wagons have that particular*
>
> *odd wheel spacing?*
>
> *Well, if they tried to use any other spacing, the wagon wheels would
> break on some of the old, long distance roads in England , because
> that's the spacing of the wheel ruts.*
>
> **
> *So who built those old rutted roads?*
>
> *Imperial Rome built the first long distance roads in Europe
> (including England ) for their legions. Those roads have been used
> ever since.***
>
>
> *And the ruts in the roads? Roman war chariots formed the initial
> ruts, which everyone else had to match for fear of destroying their
> wagon wheels.*
>
> **
>
> *Since the chariots were made for Imperial Rome , they were all alike
> in the matter of wheel spacing. Therefore, the United States standard
> railroad gauge of 4 feet, 8.5 inches is derived from the original
> specifications for an Imperial Roman war chariot. In other words,
> bureaucracies live forever.*
> *So the next time you are handed a specification/procedure/process,
> and wonder, 'What horse's ass came up with this?' , you may be exactly
> right.*
>
> *Imperial Roman army chariots were made just wide enough to
> accommodate the rear ends of two war horses. (Two horses' asses.)*
>
> **
>
> *Now, the twist to the story:*
>
>
> *When you see a Space Shuttle sitting on its launch pad, you will
> notice that there are two big booster rockets attached to the sides of
> the main fuel tank. These are solid rocket boosters, or SRBs. The SRBs
> are made by Thiokol at their factory in Utah*.
> **
>
> *The engineers who designed the SRBs would have preferred to make them
> a bit larger, but the SRBs had to be shipped by train from the factory
> to the launch site. The railroad line from the factory happens to run
> through a tunnel in the mountains, and the SRBs had to fit through
> that tunnel. The tunnel is slightly wider than the railroad track, and
> the railroad track, as you now know, is about as wide as two horses'
> behinds.*
>
> **
>
> *So, a major Space Shuttle design feature*
>
> *of what is arguably the world's most advanced transportation system
> was determined over _two thousand years ago_ by the width of a horse's
> ass. And you thought being a horse's ass wasn't important?*
>
> *So, Horse's Asses control almost everything...*
>
> *...Explains a whole lot of things,*
>
> *doesn't it?*
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