Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 401
onthe center at 2, the lead is *4 in. It will readily be seen at this point that by increasingthe outside lap still more the lead can be diminished, andthe point of cut off made still earlier, but this would resultin a still further reduction of the power of the engine,which has already been… … Fig. 130 is open the distance A a, which is as far as the outside lapwill permit. With the crank at point 4 cut off occurs.But with the increased angular advance and the insidelap remaining as it was before, viz., i/o in., release wouldoccur too early. Therefore it will be necessary to increasethe…
