Yes, they did some interesting stuff. But those UP locomotives were gas turbines (jet engines), not steam. They were powerful too, but extremely noisy.Although not coal fueled, UP had a fleet of about 60 turbines in use until the 1960's.
More modern design than the one pictured above and in several different variations.
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Although Canada operated more of them, they were designed by United Aircraft - the owners of Pratt & Whitney. UAC built the trains for American use, while Montreal Locomotive Works built the Canadian trains from the same set of plans. When Amtrak was formed in 1971 they took over operation of the trains in the USA and ran them until 1976. Canada operated theirs until 1982.I think the "turbo train" was a guest on American railroads but was Canadian and primarily operated there in regular revenue service. Technicality, maybe.
Pretty cool, though.
I believe it was the inspiration for the train in the Rush song "Red Barchetta".
Wait...is that guy above giving a molten steel shower to the lower guys with his acetylene torch?