Compound locomotive
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A compound locomotive is a steam locomotive which is powered by a compound engine, a type of steam engine where steam is expanded in two or more stages. The locomotive was only one application of compounding. Two and three stages were used in ships, for example.
Vauclain four-cylinder compound locomotive Milwaukee Road class A2 No. 919.
Cutaway view of the cylinders (low-pressure on left, high-pressure on right) and valves (above) on a tandem compound engine
Burrell road locomotive, showing high- and low-pressure cylinders.
The Société Alsacienne de Constructions Mécaniques, or SACM, is an engineering company with its headquarters in Mulhouse, Alsace, which produced railway locomotives, textile and printing machinery, diesel engines, boilers, lifting equipment, firearms and mining equipment. SACM also produced the first atomic reactor at Marcoule.
The Modèle 1935 pistol manufactured by SACM for the French Army and German occupying forces 1937-1950.
MGO V16 BSHR-diesel engine with displacement of 72 litres and power of 1000 kW on Finnish Dv12-class locomotive