connecting rod length to crank radius

asked Aug 13, 2017 in TOM by chandu (215k points)

Consider the triangular formed by the connecting rod and the crank of an IC engine as the two sides of the triangle. If the maximum area of this triangle occurs when the crank is 75⁰, the ratio of connecting rod length to crank radius is

(a) 5 (b) 4

(c) 3.73 (d) 3

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