RLMS: Gauge

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Gauge is the distance between the rails. But why are most railway tracks built to a certain gauge? Hint: it has nothing to do with the Romans.
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Very interesting. I hear about railways such as our local Skunk Train which are narrow gauge. As for interoperability, I once took a train from Germany to the Netherlands and sometime during the trip, the train changed from the German system to the Dutch system without disturbing the passengers. They changed locomotives and we continued on our way.

LLRobinett
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Another point non British people might not appreciate is that Roman engineering was the yardstick. Roman roads still in use today. Stephenson studied Roman bridge design. Good that he did. It's very hard to move coal in mines. Railways make it easier. The rrmar

nigelpearson
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Having tried nearly all guages metre gauge is very good. Roman gauge for roads seems ideal.

nigelpearson
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An argument used was that mines inherited Roman measurements. Like so many things time has made it impossible to be accurate. Stephenson started in mines. Motorcars roughly follow similar sizes. Goldilocks size. I worked out chariots loading gauge. was 1000 to a Roman mile. Mile implies 1000.

nigelpearson
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Near Lunel France( St Christol?) I measured chariot grooves. Exactly Stephenson gauge. About 1/4 mile of grooves.

nigelpearson
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The original English guage was chosen to have a horse & donkey walk without tripping in between the rails.

VerilyRude
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Also. I wasn't around in 200 AD so have to guess. Rome was all about regulations. Chariots had to be a regulation size. From this unfortunate grooves. If so grooves would be universal size.

nigelpearson
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The remarkable thing is the mine engineers kept the gauge. Superstition?

nigelpearson
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The elephant in the room with 4 ft 8.5 is why not 5ft? Tradition most likely. If Stephenson believe in 5ft - 3.5 inches it asks the question, why? The MIle, Foot, Pound are Roman origine. Maybe the Church of Rome used them? We were Christian very early. We had a 400 year dark age. Some still lived as Romans. Alfred circa 800 AD went to Rome to study.

nigelpearson