. The Street railway journal . Ft. Free Air, Com-pressed to 60 in Cylin-ders. Cu. Ft. Free andTrain PipeCu. Ft. IO8 7654 7» .■044 •57•49• 125 . ENERGY CONSUMED IN BRAKING WITH AIR AT 60 LBS. FORCYLINDERS OF DIFFERENT DIAMETERS, THE STROKEIN EACH CASE BEING 6 INCHES DiameterCylinder,i nches. Free Air, Com-pressed tu 00 Ft. Foot E. Watt-hoursat Car Watt-hoursat StationEft. = 36% IO 8 76 5 4 • .60 88O06360534044O036403320 8
. The Street railway journal . Ft. Free Air, Com-pressed to 60 in Cylin-ders. Cu. Ft. Free andTrain PipeCu. Ft. IO8 7654 7» .■044 •57•49• 125 . ENERGY CONSUMED IN BRAKING WITH AIR AT 60 LBS. FORCYLINDERS OF DIFFERENT DIAMETERS, THE STROKEIN EACH CASE BEING 6 INCHES DiameterCylinder,i nches. Free Air, Com-pressed tu 00 Ft. Foot E. Watt-hoursat Car Watt-hoursat StationEft. = 36% IO 8 76 5 4 • .60 88O06360534044O036403320 The construction of the lower portion of the car is identicalwith that of this companys standard car, which was fully de-scribed and illustrated in the March i, 1902, issue of the StreetRailway Journal. As an exception, however, the trusses andcross sills are built heavier, and the roof is heavily reinforcedwith iron carlines, J/2 in. x 23/2 ins. in section, placed over each -4llTbCtr Line-. A NEW TYPE OF AMERICAN DOUBLE-DECK CAR An interesting attempt toward the adaptation of the double-deck car principle to American street railway operating condi-tions has recently been made at Minneapoli , Minn., in the in-troduction of a novel type of convertible double-deck car. Theneed of better facilities for handling the heavy summer trafficof the operating company, the Twin City Rapid Transit Com-pany, between Minneapolis, St. Paul and the two importantsummer resorts reached by their lines, has for some time beenfelt, and the new design of car described below was suggestedas perhaps more convenientand flexible in operationthan the trail cars originallyin use. The principal details ofthe new car are shown inthe accompanying view anddrawings. Perhaps the mostnovel feature is the construc-tion of the roof of the lower,or closed, part of the of the principal require-ments of the design was thatthe lower part of the carshould correspond, both inap
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
