. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . ould put a very heavy stress onthe fulcrum shoe and its to the equalizer and to the am rather inclined to believe, there-fore, that the rear end of the brace was eral movement of the whole rig beingvery limited, and the fulcrum beingplaced too far away from the front driv-ing wheels. The object in placing them Combustion or the Source of Energyof a is what an English engineer saysof what they call over there the engine-driver: There in anidea abroad th
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . ould put a very heavy stress onthe fulcrum shoe and its to the equalizer and to the am rather inclined to believe, there-fore, that the rear end of the brace was eral movement of the whole rig beingvery limited, and the fulcrum beingplaced too far away from the front driv-ing wheels. The object in placing them Combustion or the Source of Energyof a is what an English engineer saysof what they call over there the engine-driver: There in anidea abroad that unlessthe steam is blowingmadly through the safe-ty-valve, there can beno great demonstrationofenginemanship. Thisquotation was given byMr. T. J. Hendersonwhen reading his veryinteresting paper onCombustion. or theSource of Energy in theLocomotive, before thePacific Coast RailwayClub at one of its re-cent meetings. Commenting on thecurrent opinion asgiven above. Mr. Henderson said: Therecan be no greater mistake, for, whensteam, water and fuel are blown awaythrough the pop valve, it is positive. NEW JERSEY LOCOMOTIVE & -MACHINE NUMBER 417. 1867 SCRAPPED 1887. at that point was undoubtedly to get suf-ficient weight on the truck wheels. Thefulcrum shoes were then moved someconsiderable distance back until the final proof of the existing of the followingevils: The engine is too small for thework or it is too great for the men. Atest It Purdue L^niversity showed that 8 RAILWAY AND LOCOMOTIVE ENGINEERING January, 1905. the blowing off of steam tlirougli thesafety valve for four consecutive minutes,six cubic feet, or 336 lbs. of water wasconverted into steam and blown awayat the rate of 84 lbs. of water per min-ute. In ordinary work about 6 lbs. of waterare converted into steam for each poundof coal burned and about 12 lbs. perpound of crude oil. The amount of coalwasted in the four minutes referred towas 56 lbs., or J-4 of a pound of coal forevery second the safeties blew.
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