. Cassier's magazine . POWER TRANSMISSION IN GAS ENGINES 513. FIG. -AUXILIARY PISTON REDUCING THE MAXIMUM PRESSURE AND THRUST AND INCREASINGTHE TURNING EFFORT Diagram Fig. 2 shows the effect ofa spring fitted connecting rod, or anauxiliary piston, in reducing thethrust and increasing the turningeffort. The pressure curve, as usually de-veloped in a four-cycle single-actingcylinder of an internal-combustionengine fitted with a rigid connectingrod, A develops the turning pressurecurve B, but the expenditure of pres-sure, as shown by curve C, is exces-sive at the point of ignition. By theintr
. Cassier's magazine . POWER TRANSMISSION IN GAS ENGINES 513. FIG. -AUXILIARY PISTON REDUCING THE MAXIMUM PRESSURE AND THRUST AND INCREASINGTHE TURNING EFFORT Diagram Fig. 2 shows the effect ofa spring fitted connecting rod, or anauxiliary piston, in reducing thethrust and increasing the turningeffort. The pressure curve, as usually de-veloped in a four-cycle single-actingcylinder of an internal-combustionengine fitted with a rigid connectingrod, A develops the turning pressurecurve B, but the expenditure of pres-sure, as shown by curve C, is exces-sive at the point of ignition. By theintroduction of either a spring con-necting rod, or other means of storingthe high-power peak at the point ofmaximum explosive pressure, thepressure curve in the cylinder would be somewhat as shown at D, and thedevelopment of turning pressurewould follow the curve E, while thethrust pressure would at the sametime be approximately that shown bythe curve F, or less than one-thirdof that occurring in ordinary moderngas engines. In this diagram the modifying ef-fec
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