Dynamo electric machinery; its design, construction, and operation; direct-current machines (1915)
Sheldon, Samuel, 1862-1920, Hausmann, Erich, 1886- joint author · New York, D. Van Nostrand Company; · leaf 262
zo fw i- z V B^ 2 ^ ^ ^ ^ ^ s^— A ^ —■ i 10 80 /T ^Z ^^S, >< r:;;^ E Y D^ ^ 3000 80 10000 2500 => 60 . 9000 1500 20 7000 H. P. OUTPUT Fig. 158. of motors at normal load, curve B shows the radial lengthof the air-gap between armature and field poles, curve Cgives the peripheral speed of the… … MOTORS. 251 The manner of suspending the motors from the trucksis a matter of considerable importance. One end of themotor frame contains bearings which run on the wheelaxle, and the other end or the sides are provided with lugsfor attachment to a heavy bar which is supported by springson the truck…
Electric machinery
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