Steam engines; a thorough and practical presentation of modern steam engine practice (1917)
Ludy, Llewellyn V., 1875-, American Technical Society · Chicago, American technical society · leaf 51
o be installed in office buildings,apartment houses, or in other houses where freedom from vibrationis a prime requisite, it becomesalmost a necessity for the engine tobe perfectly balanced. On an ordi-nary reciprocating engine it isalmost impossible to obtain perfectbalancing for two reasons:… … Fig. 29. Section of Angle-Compound Engine balances the forces at one end would be either too light or tooheavy at the other end. Second, the counterweight at all positions in the revolution ofthe shaft exerts a radial force and when the counterweight is aboveor below the center of the shaft, there…
Steam-engines
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