Comments by "Sar Jim" (@sarjim4381) on "The Drydock - Episode 091" video.
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I hope everyone is tolerating their time in prison as well as can be expected. I'm looking forward to a gradual opening up of at least the US economy over the next month. The high here in S Alabama reached 90 yesterday, so maybe the heat will at least make life difficult for the virus.
The big issue in using the so-called "Persian Corridor" was expanding the marshalling yard capabilities and then constructing hundreds of miles of double tracks and increased length sidings to haul enough freight to come close to Arctic convoy tonnage, even with all the sinkings. When the British first took over operations of the Trans-Iranian Railway in 1941, the entire line had the capability of moving one 60 car freight train a day. Due to mostly the superhuman efforts of the Royal Engineers, the line was expanded to the point where it was handling up to 10 80 car freights a day. The most important problem once the line itself had sufficient capacity was where were the locomotives and freight cars (wagons) going to come from to move all the freight. Between the British and Americans, over 15,000 freight cars were built, 310 steam engines were constructed or diverted from British and American sources, and over 100 diesel-electric locomotives from the US were supplied for use on the difficult northern division. It was an engineering wonder, going over three mountain ranges, through 100 tunnels, with blasting heatmost of the year, and very little water. Diesel operations on the Trans-Iranian proved the efficiency and economy of the internal combustion engine. While this was great for the war effort, it was also the beginning of the end for our beloved steam engines.
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