. Locomotive engineering : a practical journal of railway motive power and rolling stock . shop, at Columbus, O., has recentlyrigged up a device for cleaning flues thatis found more efficacious than the usualtumbling barrel—the water in that dis-trict being so impregnated with lime thatscale forms fast and is very hard. Thewriter saw a boiler in the shop that hadjust been relieved of twenty-three wheel-barrow loads of hard scale, each barrowweighing over 200 pounds, and this didnot take into account the immense quan-tity on the flues. Mr. Bancroft has rigged up a sort of aspeed lathe out in a
. Locomotive engineering : a practical journal of railway motive power and rolling stock . shop, at Columbus, O., has recentlyrigged up a device for cleaning flues thatis found more efficacious than the usualtumbling barrel—the water in that dis-trict being so impregnated with lime thatscale forms fast and is very hard. Thewriter saw a boiler in the shop that hadjust been relieved of twenty-three wheel-barrow loads of hard scale, each barrowweighing over 200 pounds, and this didnot take into account the immense quan-tity on the flues. Mr. Bancroft has rigged up a sort of aspeed lathe out in a shed. This is providedwith means for rotating a flue at a fairlylively speed ; boys then hold on the tubespiral rolling cutters, held in a pair ofhinged wooden levers, the whole thinglooking something like a giant nut-cracker. The spiral of the cutters feedsthe device along, and the boys furnish thepressure. This affair cleans a tube quickly andwell. They .save all their old copper fer-rules for old metal, and pitted tubes arediscovered and discarded before muchwork is done on wwmm-!%w^^^^^^^^ CYLINDERS. Cylinders, diameter, iS in. Piston stroke, 24 in. Piston-rod diameter, 34 in. Kind of piston-rod packing, U. S. metal-lic. Main rod, length center to center, 7 ^ in. Steam ports, length, 18 in. Steam ports, width, 1^4 in. Exhaust ports, length, 18 in. Exhaust ports, width, 3 in. Bridge, width, 1)4 in. Exhaust pipe, single. VALVES. Valves, kind of, Richardsons , greatest travel, 5;^ , outside lap, ^ , inside clearance, .j\ , lead in full gear, jj in. BOILER. Boiler, type of, wagon top. Boiler, working steam pressure, 160 lbs. Boiler, material in barrel, steel. A JERSEYITE. Polishing Journal Bearings. In the car shops of the Panhandle road,at Columbus,-O., they have an attachmenton their double-headed axle lathes to buffthe journal bearing, using corundum ona walrus-hide wheel. It is claimed thisprevents hot boxes and costs l
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroa, bookyear1892
