| Show i ElECTRICITY AS A MONEY SAVER 3 i Tl The e steam locomotive no matter motter how bl big is isa iRa a relatively s1 small all power plant and In proportion to tu Its rated hor horsepower horse torsa- power calls cans for an expensive e measure c of ot supervision In Its Us operation This This' mobile power plant lUu must t run upon the theline theline line In ih all sorts of weather and It 1 is exposed to atmospheric conditions which affect moro morn oi or less markedly its Us efficient performance I If the up upgrade upgrade up- up ra g-ra grade e be steep the tiro train hellY heavy arid and the tracks slipper the steam engine struggles Jes and racks Itself In a strenuous strenuous strenuous ous effort cHort to overcome u the physical difficulties dif and Ild coal coni is shoveled sho desperately desperately desper desper- Into the furnace to kCf keep p up the needful pressure In the boiler r The Thu fu ru fuel l 1 lis is burned wa The central power fOWer pow pow- er station on oft the other hand operates s sund und under r vcr very different conditions To be begin begin begin be- be gin with it Jt has the anta ad antage ad advantage o of or a permanent site It can be hou housed ed KO so a aa as to bo ho largely indifferent to the lute state ur of the weather without its bIgness permits permits per per- mits of or th tiA efficient Jn Installing of or auxiliary apparatus that tends to promote promote pro pro- mote moto economy of or operation both In iii la labor bor and rod in fuel and the power production production production pro pro- per pound of ot coal eoal burned Is per cent greater than that possible with the tho best of ot steam stearn locomotives And nd where the coal for the generation o of current for tor electric l locomotives Is he utilized virtually at the mine month the saving pa is all the greater r ater The Tile electric locomotive is simpler in getup getup get- get up and more ruS' ruS rugged ed In construction than lt its steam rival and therefore costs less in upkeep The benefits o of electric traction ha have probably been brought ht out in jn their mo most t spectacular aspect here IJ by the electrified Rocky mountain division of the Chicago Mil waukee St St. Paul railway co covering as it does dues a stretch of ur 40 miles In that C case Lse however th the sources of or en energy energy en- en ergy elgy are art h hydroelectric dro plants White coal coni Is doln doing the trick I 1 i. i c e. e the power in ill falling tailing waters is turning the tho great turbo generators Again the descend descend- n II ng hg locomotive is 18 a producer el and not a 1 auser auser user o of motive o current and Its motors motors mo mo- tors turned b- b by tho the Impelled gravity drivIng wheels become dynamos and and feed ener energy back Into the conducting wires and thus actually help to draw drau another train up hill hili This would be bethe bethe bethe the ca case cas 5 whether water power or coal were the tho primary source of oC energy at atthe atthe the thc central station Le Leslie s Week Weekly |
