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Explain U.P.'s Gas Turbine locomotive's operation?
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What seems to be missing from this discussion is "why did UP drop using these turbines?" The data I got from the UP in 1958 (during the peak period of usage of the Veranda) was that they did an excellent job pulling trains. But, ... sitting in the yard at idle speed consumed 60% of the fuel that they did when running. But as mentioned above, using Bunker C fuel, which had to be kept hot, you couldn't very well shut them off unless connected to a steam supply, and the startup was not much fun. <br /> <br />So, basically, this turns out to be a great idea for an engine that you run all the time, but most engines spend significant time sitting in yards, or making short connection runs, and thus, the idea didn't really work.
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