. The Street railway journal . s, thereby reducing the leakage, as the air would beexcessively dry owing to the high temperature to whichit is brought. Another advantage of adding the moistureis that during the expansion in the cylinders the waterkeeps flashing into steam all along the passage as the pis-ton advances beyond the point of cut off. This keeps upthe pressure toward the end of the stroke and gives an al-most isothermal expansion instead of adiabatic expansion. Junk, 1899.] STREET RAILWAY JOURNAL. 375 hi the heater used on the Mckarski system, to whichreference has already been made
. The Street railway journal . s, thereby reducing the leakage, as the air would beexcessively dry owing to the high temperature to whichit is brought. Another advantage of adding the moistureis that during the expansion in the cylinders the waterkeeps flashing into steam all along the passage as the pis-ton advances beyond the point of cut off. This keeps upthe pressure toward the end of the stroke and gives an al-most isothermal expansion instead of adiabatic expansion. Junk, 1899.] STREET RAILWAY JOURNAL. 375 hi the heater used on the Mckarski system, to whichreference has already been made, the air is made to passthrough the hot water; this system was not adopted, first,because the experimental tests conducted with it seemedto indicate that its use was liable to bring excessive quanti- eighths point, and to avoid accident the motors can be re-versed if necessary, by throwing the cut off controllinghandle around to the reversing position without touchingthe throttle, although this brings a strain upon the motors.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
