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Swiss classification: 4/5+4/4+4/6. The equivalent UIC classification is to be refined to (1'D)D(D2') for these engines. Only one 2-8-8-8-4 was ever built, a Mallet-type for the Virginian Railway in 1916. [1] Built by Baldwin Locomotive Works, it became the only example of their class XA, so named due to the experimental nature of the locomotive.
A steam engine is a heat engine that performs mechanical work using steam as its working fluid. The steam engine uses the force produced by steam pressure to push a piston back and forth inside a cylinder. This pushing force can be transformed by a connecting rod and crank into rotational force for work.
A 2-8-8-4 steam locomotive, under the Whyte notation, has two leading wheels, two sets of eight driving wheels, and a four-wheel trailing truck. The type was generally named the Yellowstone , a name given it by the first owner, the Northern Pacific Railway , whose lines ran near Yellowstone National Park .
Replica of the original engine (which was never given a name throughout its working career) which was scrapped in 1962. LNER Class B17 4-6-0 61673 Spirit of Sandringham project. [30] LNER Class P2 2-8-2 2001 Cock O' the North project. [31] Replica of original engine in streamlined condition. LNER Class P2 2-8-2 2007 Prince of Wales project. [32]
According to the company, the steam engine named Quadrum generates 27% efficiency and runs with 180 °C steam at 8 bar pressure, while a corresponding steam turbine produces just 15% efficiency, requires steam temperature of 240 °C and pressure of 40 bar. The high efficiency comes from a patented crank mechanism, that gives a smooth, pulseless ...
LNER Class A4 4468 Mallard is officially the fastest steam locomotive, reaching 126 mph (203 km/h) on 3 July 1938. LNER Class A3 4472 Flying Scotsman was the first steam locomotive to officially reach 100 mph (160 km/h), on 30 November 1934. 41 018 climbing the Schiefe Ebene with 01 1066 as pusher locomotive (video 34.4 MB)
Union Pacific 844 is a class "FEF-3" 4-8-4 "Northern" type steam locomotive owned and operated by the Union Pacific Railroad for its heritage fleet.Built in December 1944 by the American Locomotive Company (ALCO) of Schenectady, New York, No. 844 is one of four surviving FEF series locomotives and the only one in operation.
Tennessee Valley Railroad No. 610 is a preserved S160 Class 2-8-0 "Consolidation" type steam locomotive built by the Baldwin-Lima-Hamilton Corporation for the U.S. Army in March 1952. It is one of the last steam locomotives built for service in the United States and the last new steam locomotive acquired by the U.S. Army.