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A gear drive consists of a 16-tooth 20 steel spur pinion and a 48-tooth cast-iron gear having a pitch of 12 teeth/in. For a power

A gear drive consists of a 16-tooth 20◦ steel spur pinion and a 48-tooth cast-iron gear having a pitch of 12 teeth/in. For a power input of 1.5 hp at a pinion speed of 700 rev/min, select a face width based on an allowable contact stress of 100 kpsi

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