... a′ = 1. 5382, b′= 0 .40 6 74, c′= 1. 0 616 , and d′= 1. 0 218 .For a 4 in. crank, k = 4/ 0 .40 6 74 =9.8 343 and a = 15 .12 7 in., b = 4 in., c = 10 .44 0 in., and d = 10 . 049 in., which isvery close ... )]max//=−++22 1 21 12 12 θθJS/cos[ (cos )](cos )cos(cos )max//=−+−+−+++ 1 21 1 1 1 212 1 12 2 12 θθθθθSclater Chapter 13 5/3/ 01 1:33 PM Page 45 2ation, ∆, ... Eq. (10 ),cos ϕ= [1 – (A/S)2+(A/S)2cos2θ] 1/ 2 (11 )and Eq. (11 ) into Eq. (6),J/S = (A/S) (1 – cos θ) – 1 + [1 – (A/S) (1 – cos θ) – 1 –(A/S)2cos 1/ 2 (12 )Eq. (12 ) can be considered to...