. Railway age . Automatic Steam Cylinder for Superheater Dampers,are needed to attach the whole superheating device to the collector is kept closed by a cylindrical cock when the engine is running casting. To regulate the amount of superheat and to protect the super-heater pipes against overheating while the engine Is standing ordrifting, dampens are arranged in the smokebox which automatically. Superheater Pipes. under steam. On trials with a 1,515-ton train behind a somewhat lighter en-gine of this type (67 tons) on an per cent grade, an indi-cated drawbar pull of 37,000 lbs. at 60 per
. Railway age . Automatic Steam Cylinder for Superheater Dampers,are needed to attach the whole superheating device to the collector is kept closed by a cylindrical cock when the engine is running casting. To regulate the amount of superheat and to protect the super-heater pipes against overheating while the engine Is standing ordrifting, dampens are arranged in the smokebox which automatically. Superheater Pipes. under steam. On trials with a 1,515-ton train behind a somewhat lighter en-gine of this type (67 tons) on an per cent grade, an indi-cated drawbar pull of 37,000 lbs. at 60 per cent. cut-ofT was ob-tained, this giving a factor of adhesion of almost 1:4. Another loco-motive of this type has been tested near Erfurt, Germany, on longgradients of per cent, and 2 per cent, in the presence of repre-sentatives of the most important railroads of France and Belgium. These trials were elaborately described in an article In theVer^<•ftrs^BCJ^l»^scftc IVochf, 1907, page , by Mr. Muller, PrivyCouncillor ot the Prussian Ministry of Public Works. As the engine was being used In regular service, no special trialtrains could be made up and therefore the greatest tractive powerand highest speed could be demonstrated; nevertheless the results,as Indicated in the following table, must be considered exceedinglysatisfactorily: Orndlont. per cent I,en)rth of grni
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Keywords: ., bookcentury1800, bookdecade1870, bookidrailwayage44, bookyear1870
