Figure a shows a piston engine. and Figure b shows the line-position diagram. The crank OB, 0.05 m long, rotates at 250rad S-' (2387 rev min-l) anticlockwise. The length of the connecting rod BP is 0.2 m. How do we determine the sliding velocity of the piston and the angular velocity of the line BP? Crank throw OB - 0.05 m Con-rod BP - 0.2 m Crank position - 60 degrees from the bottom dead center Crank angular velocitv 250 rad s anticlockwise 60 Figure ra) Piston engine of Example I OB - 50 mm BP - 200 mm w- 250 rads a-0 60 13 Figure (b) Position diagram (half scale)

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Example: Figure shows the configuration of an engine mechanism. The dimensions are as following. Crack OA = 200 mm, Connecting road AB = 600 mm, distance of center of mass from crank end AD = 200 mm. As the instant, the crank has an angular velocity of 50 rad/s clockwise. Calculate the velocity of D and angular velocity of AB. B G - D 120° @. A

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The center of gear c, O is moving at 1.25 m/s, and has an acceleration of .25 m/s^2m, the radius of C = .22 m, and theta = 60 degrees  what is the angular velocity of link BC at this time which way is bc rotating what is the velocity of B

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In Fig. below the angular velocity of the crank OA is 600 r.p.s. Assume crank is rotating with constant velocity.Determine the linear velocity and acceleration of the slider D and the angular velocity and angular acceleration of the link BD, when the crank is inclined at an angle of 75° to the vertical. The dimensions of various links are: OA = 28 mm; AB = 44 mm; BC 49 mm; and BD = 46 mm. The center distance between the centers of rotation O and C is 65 mm. The path of travel of the slider is 11 mm below the fixed point C. The slider moves along a horizontal path and OC is vertical.

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A b a S the slider-crank mechanism is in the position where A =75 Degree and the angular velocity of the link OA is 61.7 rad/s a= 2.9 m b=10 m O =.161.8 Degree s=9.634 m Find the velocity of the slider using the analytical method.