. The Street railway journal . llows: Of 20, 25, and 30 h. The No. to motor, which is designed forheavier work, is built in 40 and 50 h. p. sizes. The armature is of the drum type andwound with machine made coils, each consistingof heavy insulated wire wound in rectangular form. Thetwo longer sides of the coil are enclosed in cells of specialinsulating material, the whole being then wrapped with in-sulating tape of a superior quality. The coils are con-nected to the commutator segments so that the armaturewinding has only two circuits, obviating the possibility ofthe armature becom
. The Street railway journal . llows: Of 20, 25, and 30 h. The No. to motor, which is designed forheavier work, is built in 40 and 50 h. p. sizes. The armature is of the drum type andwound with machine made coils, each consistingof heavy insulated wire wound in rectangular form. Thetwo longer sides of the coil are enclosed in cells of specialinsulating material, the whole being then wrapped with in-sulating tape of a superior quality. The coils are con-nected to the commutator segments so that the armaturewinding has only two circuits, obviating the possibility ofthe armature becoming electrically unbalanced, and re-quiring the use of but two brushes. The armature is short of the No. 3, has been incorporated into the upper half ofthe field of the No. 10 and No. 12, so as to do doubleservice, forming a part of the magnetic circuit and a partof the frame, and thus giving sufficient strength to themotor to hold the armature shaft always in perfect align-ment with the car axle. On the side which is farthest.
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Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, bookidstreetrailwa, bookyear1884
