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ALIGNED SLIDER-CRANK MECHANISM

The axis of slider 1 passes through the axis of rotation of crank 2. Displacement s of the slider from its right-hand extreme (dead- centre) position is s=A͞B(1-cos(α))+B͞C(1-sqrt(1-(A͞B/B͞C)²cos(2α))) where α is the angle of rotation of the crank. If ratio is A͞B/B͞C sufficiently low then the approximate equation s=r[(1+(1/4)(A͞B/B͞C))-(cos(α)+(A͞B/B͞C)cos(2α))] where r=A͞B, can be used. The velo…