. The railroad and engineering journal . atedcrank-pins Z) D- and connecting-rods £ E, which are providedin pairs, as shown, to insure rotation of the several shafts inthe same direction. In adapting triple expansion-engines to operate the propeller-shafts in a twin-screw steamer, as represented at figs. 9 and 10,the high-pressure and low-pressure cylinders A and A^ are di-rectly connected each to one of the crank or propeller shaftsD, while the intermediate cylinder is connected to a separatecrank-shaft C, or the arrangement may be varied ; and in orderthat the power and speed of rotation of
. The railroad and engineering journal . atedcrank-pins Z) D- and connecting-rods £ E, which are providedin pairs, as shown, to insure rotation of the several shafts inthe same direction. In adapting triple expansion-engines to operate the propeller-shafts in a twin-screw steamer, as represented at figs. 9 and 10,the high-pressure and low-pressure cylinders A and A^ are di-rectly connected each to one of the crank or propeller shaftsD, while the intermediate cylinder is connected to a separatecrank-shaft C, or the arrangement may be varied ; and in orderthat the power and speed of rotation of the two propeller-shafts 232 THE RAILROAD AND [May, 1891. may be equalized and economical working insured, the threecrankshafts are connected together, as shown, by cranks ordisks and connecting-rods. In his specifications he also shows similar plans of applyingtriple expansion-engines to driving three propeller-shalts,quadruple expansion tandem-engines arranged to drive twopropeller-shafls, quadruple expansion-engines for driving four. :s ^
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectrailroa, bookyear1887
