Specifications for Two Direct-Acting Compound Twin-Screw Beam Engines of 5, 000 Horse-Power, for the U. S. Steamer Chicago: Including Boilers, Air and ... and Appurtenances Complete, Together Wit - Softcover

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Excerpt from Specifications for Two Direct-Acting Compound Twin-Screw Beam Engines of 5, 000 Horse-Power, for the U. S. Steamer Chicago<br/><br/>The crank-shafts for each engine will he made of steel, in two separate interchangeable sections, and secured to each other and to the line-shaftings by couplings forged on the shafts. The cranks will have a length of 2 feet and be placed at an angle of 90Â with each other. The reversing cylinders will be located between the cylinders and crank-shafts, and will connect directly with the arms of the rock-shafts; the valves to be Operated by ?oating levers on the working platform.

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