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Period cutaway diagram of a triple-expansion steam engine installation, circa 1918. This particular diagram illustrates possible engine cutoff locations, after the Lusitania disaster and others made it clear that this was an important safety feature. A marine steam engine is a steam engine that is used to power a ship or boat.
Mantua HO scale model of 2-6-6-2 steam locomotive, lettered for Great Northern Railway. The 2-6-6-2 wheel arrangement was fairly popular among model railroaders during the period when brass models were being imported in large quantities from Japan and Korea. Among the leading examples in HO scale were the following. [71]
Weeden Vertical toy steam engine in the 1912 Sears, Roebuck and Co. catalog. In the late 19th century, manufacturers such as German toy company Bing introduced the two main types of model/toy steam engines, namely stationary engines with accessories that were supposed to mimic a 19th-century factory, [4] and mobile engines such as steam locomotives and boats.
These diagrams were used to determine the efficiency of steam engines, such as those found aboard Western Rivers steamboats. Reason This image is of high technical standards, sufficient scalable resolution, is an excellent illustration of the related concepts, has a free license, supplements two separate articles, is accurate, has valuable ...
A pop-pop boat (also known as a flash-steamer, hot-air-boat, or toc-toc after a German version from the 1920s [1]) is a toy with a simple steam engine without moving parts, typically powered by a candle or vegetable oil burner. The name comes from the noise made by some versions of the boats.
The process was pioneered by French ship model manufacturer Radiguet, which produced a line of zinc boats with pressurised steam engines, wooden decking and brass fittings. [27] The speed of production for tinplate vessels enabled one 1909 manufacturer to produce ship models of speedboats that had competed that year in Monaco .
Diagram showing lap and lead and their relation to valve travel. When on the move, a steam locomotive requires steam to enter the cylinder at precise times relative to the piston's position. [3] This entails controlling the admission and exhaust of steam to and from the cylinders with a valve linked to the motion of the piston. [3]
An oscillating cylinder engine cannot be reversed by means of the valve linkage (as in a normal fixed cylinder) because there is none. Reversing of the engine can be achieved by reversing the steam connections between inlet and exhaust or, in the case of small engines, by shifting the trunnion pivot point so that the port in the cylinder lines up with a different pair of ports in the port face.