. The railroad and engineering journal . r, !• fl i i 1 1 ,. r///- ENGLISH COMPOUND SIDE-WHEEL ENGINE. 2l8 THE RAILROAD AND [May, 1889. pany in the year 1878. The floats are of Siemens-Martin hard rolled steel, 10 ft. by 3 ft. 7^ in. ; siv of these in eachwheel are j in. thick, two i;| in., one i5 in. thick, to prop-erly balance the engine and prevent fore-and-alt motion inthe sliip. The paddle-wheel centers are of cast steel, alsothe feathering studs and feathering-rod bosses. The re-cesses lor the paddle-arm are planed parallel as to theirlength, but are slightly tapered as to their depth, s
. The railroad and engineering journal . r, !• fl i i 1 1 ,. r///- ENGLISH COMPOUND SIDE-WHEEL ENGINE. 2l8 THE RAILROAD AND [May, 1889. pany in the year 1878. The floats are of Siemens-Martin hard rolled steel, 10 ft. by 3 ft. 7^ in. ; siv of these in eachwheel are j in. thick, two i;| in., one i5 in. thick, to prop-erly balance the engine and prevent fore-and-alt motion inthe sliip. The paddle-wheel centers are of cast steel, alsothe feathering studs and feathering-rod bosses. The re-cesses lor the paddle-arm are planed parallel as to theirlength, but are slightly tapered as to their depth, so thatthe arms are drawn in by the bolts to a metallic fit. Allthe wearing surfaces are of gun-melal working on lignumvita-. .Ml this work is put together with turned and httedbolts, having cup heads and one nut to each bolt, the pointof the bolt lieing lightly riveted over. All bolt holes areopened out with a cylinder drill, and the bolts driven inwith a 7lb. is supplied to the engine at a working pressure of air forced into the same by a pai
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectrailroa, bookyear1887
