Hutton, Frederick Remsen, 1853- [from old catalog] · New York, J. Wiley & sons; [etc., etc.] · leaf 216
ethod would have thecircle described on OB conceived as attached to the engine-shaft, and the crank when at its dead-centre to lie in theposition ON. It is so much easier to cause the radius toswing through equal angles in the contrary direction, whilethe valve-circle remains fixed, that this… … Fig. 140. ■exhaust events. If there is no inside lap, the exhaust opensand shuts when the radius vector of this second circle is zero,which is the position when the crank is at (9/^and OQ (Fig. 143)If there is an inside lap, the port will not open until the valvehas moved through that lap. Hence…
Mechanical engineering · Steam power plants
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