. Electric railway journal . Times THREE of the two-motor passenger cars of the Seat-tle Municipal Railway, which operate over the steepgrades of the Lake Burien Line, have been equippedwith an emergency braking device adapted by themaster mechanic to suit local conditions. The device isdesigned to afford protection when the power fails orthe trolley is off the wire, and it provides an emergency brake indepen-dent of air pres-sure or anybrake apparatusas installed con-sists of a drum-type switchwhich throws thetwo m o t o r s ofthe car in paral-lel, at the sametime interchang-ing t
. Electric railway journal . Times THREE of the two-motor passenger cars of the Seat-tle Municipal Railway, which operate over the steepgrades of the Lake Burien Line, have been equippedwith an emergency braking device adapted by themaster mechanic to suit local conditions. The device isdesigned to afford protection when the power fails orthe trolley is off the wire, and it provides an emergency brake indepen-dent of air pres-sure or anybrake apparatusas installed con-sists of a drum-type switchwhich throws thetwo m o t o r s ofthe car in paral-lel, at the sametime interchang-ing the motorfields. Withthese connec-tions made whenthe car is coast-ing one motor picks up as a generator and tends to drivethe other as a motor in the reverse direction, thuscausing a retarding effect in both sets of braking switch is installed underneath the carand is operated by means of cables attached tohandles which project above the car floor at either endof the car. Accompanying illustrations show the loca-. LEVER ON PLATFORM FOR OPERAT-ING EMERGENCY BRAKING SWITCH tion of one of these handles on the car platform anathe cable connection for operation. In addition to ap-plying the brake the pulling up of this handle alsothrows the reverser which ordinarily is only operatedwhen power is on the car by throwing the reverse leveron the master controller. To accomplish this operationautomatically the attachment as illustrated has beenadded to the type HL control equipment supplied by REAR PLATEORM If EROIIT PLATEORM Sleeve to catch■Slot trough Lever
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp
