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Unformatted text preview: 2 B • Label the intersection of the two construction lines . 2 O • The line now defines the base link. 4 2 O O • Calculate the lengths of crank and coupler by measuring and and solve simultaneously: 2 2 B O 1 2 B O 1.3 Coupler + crank = 1 2 B O Coupler  crank = 2 2 B O • Double check the Grashof condition. Example 2 1.4 • Position Analysis • Velocity Analysis • Acceleration Analysis 1.5 2.4 The Velocity Image Theorem Notation Theorem Given the triangle PQR in a rigid body, the triangle pqr in the velocity diagram will be similar to triangle PQR, rotated from PQR by in the positive direction, and magnified by the factor . o 90 1.6 Example:...
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 Spring '10
 dhavidhe
 University of Ontario institute of technology, triangle PQR, fourbar, O2 B2, ENGR 3270U Lecture

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