. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . nt snow from adher-ing. Each scoop is open its entire lengthon the front side and a cutting knife ishinged on each side of the knives adjust themselves auto-matically into cutting position. The greatest list ot a rotary snowplow is its ability to cut through snowslides. The plow can he subjected to noheavier service, a service which is occa-sionally required on all roads crossing powerful plows that has ever been built Tin design of a trcniendoush strongand rugged wheel was one
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . nt snow from adher-ing. Each scoop is open its entire lengthon the front side and a cutting knife ishinged on each side of the knives adjust themselves auto-matically into cutting position. The greatest list ot a rotary snowplow is its ability to cut through snowslides. The plow can he subjected to noheavier service, a service which is occa-sionally required on all roads crossing powerful plows that has ever been built Tin design of a trcniendoush strongand rugged wheel was one of the mostimportant problems To have mane thecutting knives and scoopsthick plate, and all other construction inn would have resulted in a weight that was impractical. A wheel, however, was built which was quite dif-ferent from any others and which wasimmensely sti The wheel was made of cast steel andas no facilities were available for ma-chining or annealing the castings of therequired size a built-up construction wasused. The center castings were made inoctagon form 80 in. across the flats, and. HEAVY ROTARY PLOW ON CANADIAN I»\( III! RAILWAY the Rocky, Cascade and Selkirk Moun-tains. The snow in slides is notonly packed exceedingly hard, but oftencontains trees and rocks. It is impossiblefor rotaries to overcome such is generally customary to probe theslide with sounding rods to locate themand, if possible, they are removed byblasting or by being pulled out. Some-times, however, these obstacles are notdiscovered and when the plow en-counters them the ordinary cuttingkni\es are generally damaged and theplow often put out of commission. Therepair of the knives is generally difficultand slow. During the winter of 1908-09 Siri . then general manager of the Canadian Pacific Railway WesternLines, decided that a plow was neededwhich would not break down, and hestated thai he wished a rotary plow withcutting knives of 2-in. armor plate, andthe list of the plow b
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectrailroa, bookyear1901
