Ripper, William, 1853-1937 · London, New York [etc.] : Longmans, Green and co. · leaf 511
en the point of cut-off, the lead of the valve and the greatestopening to steam, find the angle of advance, the travel of the valve, and thesteam lap. Draw any circle ACB and find the crank position HD at cut-off as in Prcblcm1. Draw GK parallel to AF, and at a distance frcm it equal to the given… … Fig. 486. Fig. 487. Then HL - the half-travel of the valve, LR = lap, and the angle LHA = theangle of advance. 27. A slide valve cuts of! at 0 80 of the stroke. The lead is I in. and thegreatest opening to steam 1^ in. Find the angle of advance, the half-travel, andthe steam lap. Ans. Angle of…
Steam-engines
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