Twentieth century hand-book for steam engineers and electricians, with questions and answers .. (1905)
Swingle, C. F. [from old catalog], Horstmann, Henry Charles, 1858- [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] · Chicago, F. J. Drake & co. · leaf 225
until __1 -A -V FIGURE 55. the piston has traveled through 42 per cent, of thestroke. There is more compression also than isneeded. This engine was 18 x 42 in., running at aspeed of 78 R. P. M., and the steam consumption, 2F2 ENGINEERING according to diagram Fig. 54, was 33 lbs. per I. H. P.per… … FIGURE 56. tically perfect. The boiler pressure was 68 lbs. andthe spring used was a No. 40. The steam consump-tion was reduced to 22 lbs. per I. H. P. per hour ascompared to 33.lbs. in Fig. 54. Figs. 56 and 57 represent diagrams from engine No.3, which w£s the same size as No. 1, viz., 24x48 in.,