. The Street railway journal . am mentioned. The construction of controllers has also been much improved,and the latest two-motor controller (B-13) contains many de-sirable features lacking in the earlier type. The combinations ofmotor and brake circuits for power and braking are effected bymeans of an auxiliary cylinder located on the right-hand side ofthe controller. This cylinder is thrown in either direction bymeans of a cam on the main cylinder and a suitable lever. Themain cylinder serves to series parallel the motors on the powerside, and to regulate the resistance both for power and br
. The Street railway journal . am mentioned. The construction of controllers has also been much improved,and the latest two-motor controller (B-13) contains many de-sirable features lacking in the earlier type. The combinations ofmotor and brake circuits for power and braking are effected bymeans of an auxiliary cylinder located on the right-hand side ofthe controller. This cylinder is thrown in either direction bymeans of a cam on the main cylinder and a suitable lever. Themain cylinder serves to series parallel the motors on the powerside, and to regulate the resistance both for power and braking. 722 STREET RAILWAY JOURNAL. [Vol. XV. No. 10. As the usual interlocking mechanism between cylinders is used,all arcing takes place on the main cylinder, where an efficientmagnetic blow-out provides for its prompt and complete ex-tinguishment. Electric brake shoes have been designed for use with thevarious types of standard motors, and adapted either for mount-ing upon the motor or directly upon the axle. Where the motor. TRUCK EQUIPPED WITH ELECTRIC BRAKE and brake are mounted on the same axle the shoe is held by asupport which in some cases is combined with the axle cap, andin others is merely a steel yoke bolted to the motor frame. Theaxle suspended type of brake shoe is only used where double-truck cars are equipped with but two motors, and on trail are provided with brass axle linings and grease cups, andare held from revolving by a bar which passes through the hornson the shoe, and is bolted to the truck frame. Engravings of
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
