To: SIer formerly known as Joe B. who wrote (13802 ) 3/16/2000 7:47:00 AM From: John Carragher Read Replies (2) | Respond to of 62558
The Corporate Mind > ------------------ > > Here is a look into the corporate mind that is very interesting, > educational, historical, completely true, and hysterical all at the > same time: > > The US standard railroad gauge (width between the two 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 the US > railroads were built by English expatriates. > > 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 used for building > wagons which used that wheel spacing. > > Okay! 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? The first long distance roads in > Europe (and England) were built by Imperial Rome for their legions. > The roads have been used ever since. And the ruts in the roads? Roman > war chariots first formed the initial ruts, which everyone else had to > match for fear of destroying their wagon wheels. Since the chariots > were made for (or by) Imperial Rome, they were all alike in the matter > of wheel spacing. The United States standard railroad gauge of 4 > feet, 8.5 inches derives from the original specification for an > Imperial Roman war chariot. Specifications and bureaucracies live > forever. So the next time you are handed a specification and wonder > what horse's ass came up with it, you may be exactly right, because > the Imperial Roman war chariots were made just wide enough to > accommodate the back ends of two war horses. Thus, we have the answer > to the original question. > > Now the twist to the story.............. > > There's an interesting extension to the story about railroad gauges > and horses' behinds. When we see a Space Shuttle sitting on its launch > pad, 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 might have preferred to make them a bit fatter, but the SRBs > had to be shipped by train from the factory to the launch site. The > railroad line from the factory had to run through a tunnel in the > mountains. The SRBs had to fit through that tunnel. The tunnel is > slightly wider than the railroad track, and the railroad track is > about as wide as two horses' behinds. So, the major 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!