. The Street railway journal . ELECTRIC TUGBOAT ON THE TELTOW CANAL overhead wire, as ground return would cause serious disturb-ances at the nearby Potsdam magnetic observatory. The locomotive has a framed truss over which the hauling. FIG VERTICAL MOTOR GENERATOR SET, WITHOUT FRAME rope passes. This truss is movable and may be raised so highthat the rope will not interfere with any boats that may be lyingalong the canal bank. The locomotive is also furnished with arope drum, on which the hauling rope is wound or unwound by March 5, 1904.] STREET RAILWAY JOURNAL. 379 an electric motor. Besides
. The Street railway journal . ELECTRIC TUGBOAT ON THE TELTOW CANAL overhead wire, as ground return would cause serious disturb-ances at the nearby Potsdam magnetic observatory. The locomotive has a framed truss over which the hauling. FIG VERTICAL MOTOR GENERATOR SET, WITHOUT FRAME rope passes. This truss is movable and may be raised so highthat the rope will not interfere with any boats that may be lyingalong the canal bank. The locomotive is also furnished with arope drum, on which the hauling rope is wound or unwound by March 5, 1904.] STREET RAILWAY JOURNAL. 379 an electric motor. Besides this motor there are two others, onefor raising and lowering the truss and the second for runningthe locomotive. All of the controlling apparatus is mountedin the motormans cab. At a recent test this locomotive hauled four scows, weighing1450 metric tonnes (2205 lbs. per tonne), miles ( km) an hour. The tractiveeffort at starting was 2205 lbs. (2000 kg) andduring the trip averaged lbs. (1000 kg).The power required was kw. Duringthe second trip the total weight hauled was1250 tonnes, the tractive effort lbs.(900 kg), the speed miles ( km) anhour, and the total power kw. At athird tri
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
