. The Street railway journal . shaft and tothree bosses cast on the wheels between the spokes. Thismethod of securing elastic suspension of the motor has beenadopted before in the case of gearless motors, but its applicationto geared motors as well is novel, so far as is known. The gearless motors have six poles and have a normal effortof 600 kg per motor at the periphery of the wheels at a speedof 530 r. p. m., and a maximum effort of 1500 kg. The gearedmotors have four poles and a ratio of reduction of i to 3, andare mounted on a hollow shaft like the gearless motors. Bothare operated on the
. The Street railway journal . shaft and tothree bosses cast on the wheels between the spokes. Thismethod of securing elastic suspension of the motor has beenadopted before in the case of gearless motors, but its applicationto geared motors as well is novel, so far as is known. The gearless motors have six poles and have a normal effortof 600 kg per motor at the periphery of the wheels at a speedof 530 r. p. m., and a maximum effort of 1500 kg. The gearedmotors have four poles and a ratio of reduction of i to 3, andare mounted on a hollow shaft like the gearless motors. Bothare operated on the series-parallel system. The third-rail system, as employed, has already been de-scribed. The joints are bonded by two protected copper bondsat each joint, having a total cross section of 600 sq. mm. Therail itself is supported in iron chairs, which maintain the topof the third rail a distance of 600 mm (23^^ ins.) from that ofthe service rail and 200 mm (8 ins.) above it. The chairs are CAR DESPATCHING BY TELEPHONE IN BUFFALO. SECTION OF THIRD RAIL AT CHAMPS DE-MARS STATION, SHOWING DOUBLEINCLINE, ALSO METHOD OF RETURN-CIRCUIT BONDING similar in general style to those used in standard railroad con-struction in France, and are composed of a casting which em-braces the base of the rail and extends half-way up the rail is held in place in this chair by means of steel springs used on the third rail are, however, less strong thanthose used on ordinary track. The chairs are mounted onwooden insulators, to which they are held by lag screws. Thebase of the chair is made broad enough to extend on the topof the wooden insulator so as to shed the water from it. Thethird rail is protected at certain points where there is danger ofaccidental contact by two wooden guards and is painted red asa danger signal. The third rail itself weighs kg permeter (92J4 lbs. per yard). The construction train for laying the third rail is illustratedin one of the accompanying engra
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
