Problem 327 A flanged bolt coupling consists of ten steel ½-in.-diameter bolts spaced evenly around a bolt circle 14 in. in diameter. Determine the torque capacity of the coupling if the allowable shearing stress in the bolts is 6000 psi.
Solution 327
$T = \frac{1}{4}\pi (1/2)^2(6000)(7)(10)$
$T = 26250\pi \, \text{lb}\cdot\text{in}$
$T = 2187.5\pi \, \text{lb}\cdot\text{ft} = 6872.23 \, \text{ lb}\cdot\text{ft}$ answer
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