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Comparison with locomotive type.
As regards the use of those varieties of water-tube boilers which give the greatest power…
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Water-Tube Or Tubulous Boilers.
THE previously described boilers, having the water outside the tubes and contained in an outer…
Posted inMarine steam engine
Double-ended boilers.
Figs. 37 and 38 show a double- ended boiler. This is a common type for…
Posted inMarine steam engine
Arrangement And Efficiency Of Boilers – Water Tank Boilers.
Low-pressure boilers. The first boilers fitted to work marine engines were of the rectangular, or…
Posted inMarine steam engine
Quadruple expansion engines.
In many cases in the mercantile marine the stage expansion principle is carried still further,…
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Triple expansion engines.
With initial steam pressures above 100 lbs. per square inch, the variation of temperature in…
Posted inMarine steam engine
Vertical (compound) engines.
The vertical type of engine, with cylinders at the top and crank-shaft below, was adopted…
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Early screw engines.
The majority of steamers, both war and mercantile, built during the years 1850-60, were fitted…
Posted inMarine steam engine
Return connecting-rod engines.
This kind of engine was adopted by the majority of marine engineering firms to enable…
Posted inMarine steam engine
Gearing for screw engines and its abandonment
In order to attain the same speed of ship the screw propeller had to be…