Water-power; an outline of the development and application of the energy of flowing water . Fig. 20t. entire distance and resting on intermediate arrangement is unavoidable in street-railway best practice consists in dividing the distance into a num-ber of spans and using a separate rope for each span withpulleys, as indicated by Fig. 204. The rim of this pulley hastwo grooves, one for the incoming and one for the outgoingrope. Fig. 203 is a section of the rim of a pulley for a singlerope, such as would be used to deliver power from a shaft to arope, or to drive
Water-power; an outline of the development and application of the energy of flowing water . Fig. 20t. entire distance and resting on intermediate arrangement is unavoidable in street-railway best practice consists in dividing the distance into a num-ber of spans and using a separate rope for each span withpulleys, as indicated by Fig. 204. The rim of this pulley hastwo grooves, one for the incoming and one for the outgoingrope. Fig. 203 is a section of the rim of a pulley for a singlerope, such as would be used to deliver power from a shaft to arope, or to drive a shaft by means of a rope. The bottom ofthe groove in which the rope runs is deeply widened into achannel of trapezoidal cross-section reaching around the pulley. 432 TJ^ANSMISSIOX OF POWER. This channel is packed solidly with pieces of leather insertedradially and presenting their edges to the rope. This con-. FiG. 206.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjecthydraulicengineering
