Suppose gear A was driven by a motor at 1800. RPM. Suggest an arrangement of gears from

Question:

Suppose gear A was driven by a motor at 1800. RPM. Suggest an arrangement of gears from the given gear set A, B, and C to achieve an output speed of 18,900 RPM.

Concern a gear set consisting of up to the three gears as shown here. In each case the larger (36 or 42 tooth) and smaller (12 tooth) portions of each gear are fastened together so that they rotate at the same rate.

42 Teeth 42 Teeth 36 Teeth A 12 Teeth 12 Teeth 12 Teeth B.