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Power er WNNA 3 Arrangement of machinery 4 Gear trains
Gears 6 Shafts and couplings
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acceleration allowed angle applied arms assumed axis base bearings becomes bending bolts brake bridge calculated cast cast iron cent circle circular closed coefficient cylinder determined developed diameter direction discs distance electric engine equal expressed fiber stress Figure fits force formula friction gears give given grooves horse-power increased journal length less lever load lubrication machinery Materials maximum mechanism metal minute moments motor movable bridges moving normal opening operating ordinary pinion pitch pounds practice preferably pressure proportioned rack radius reduced resistance rollers ropes rotation running seconds shaft sheave shown side span Specifications speed square inch steel strength stresses supports surface TABLE taken teeth tension tests thickness tooth torque torsional trunnion turning velocity vertical wedges weight wheel wind wire worm