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The Milwaukee F7s are accepted as the fastest steam locomotives by a different measure—scheduled speed between stations. In 1939, shortly after they were introduced into passenger service, the Twin Cities Hiawatha schedule was modified such that the engines would need to run the 78.3 mi (126.0 km) between Portage and Sparta, Wisconsin in 58 ...
GE steam turbine locomotives; Gov. Stanford; Grand Trunk Western 5629; Great Northern 2507; Great Northern 2584; Great Northern F-8; Great Northern H-5; Great Northern M-1; Great Northern O-1; Great Northern P-1; Great Northern P-2; Great Northern Q-1; Great Northern S-1; Great Northern S-2; Great Smoky Mountains Railroad 1702
The actual overturning speed of a train is much higher than the limits set by the speed formula, which is largely in place for passenger comfort. There is no hard maximum unbalanced superelevation for European railways, some of which have curves with over 11 inches (280 mm) of unbalanced superelevation to permit high-speed transportation. [15]
The Chesapeake and Ohio class H-8 was a class of 60 simple articulated 2-6-6-6 steam locomotives built by the Lima Locomotive Works in Lima, Ohio between 1941 and 1948, operating until the mid 1950s. The locomotives were among the most powerful steam locomotives ever built and hauled fast, heavy freight trains for the railroad.
Most powerful steam locomotive ever static tested. PRR S1: Pennsylvania Railroad: 6100 Altoona Works: 1939 Steam 6-4-4-6: 487 tonnes (537 short tons) 76,403 pounds-force (340 kN) 7,200 horsepower (5,369 kW) Fast passenger steam locomotive; the magazine Popular Mechanics cites 1941 a speed of 133.4 mph (214.7 km/h) PRR S2: Pennsylvania Railroad ...
No in-house tests were made with a dynomometer, but estimates from the Altoona test rated 6110's drawbar pull at 4,100 horsepower at 100 mph. [16] No prior class of steam locomotives in numbers could develop over 4,000 drawbar horsepower at this speed, while the only class which could match this figure was the later New York Central Niagaras.
The USRA Light Mountain was a USRA standard class of steam locomotive designed under the control of the United States Railroad Administration, the nationalized railroad system in the United States during World War I.
An additional ten (10) locomotives were built in 1949. These C&O Class H6 2-6-6-2s, numbered 1300 to 1309, were the last steam locomotives produced by Baldwin for use in the United States. The last of these were retired in 1957. Most of the locomotives were scrapped, but the last two produced were retained by C&O as examples of their steam ...