A mechanism for recording the distance covered by the bicycle, as shown in Fig. 15.32, is...

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A mechanism for recording the distance covered by the bicycle, as shown in Fig. 15.32, is as follows: There is a fixed annular wheel 4 of 22 teeth and another annular wheel B of 23 teeth, which rotates loosely on the axis of A. An arm driven by the bicycle wheel through gearing not described, also revolves freely on the axis of A and carries on a pin at its extremity two wheels C and D, which are integral with one another. The wheel C has 19 teeth and meshes with A and the wheel D with 20 teeth meshes with B. The diameter of the bicycle wheel is 0.7 m. What must be the velocity ratio between the bicycle wheel and the arm, if B makes one revolution per 1.5 km covered? Fixed annular wheel B Fig.15.32 Bicycle distance measurment mechanism A mechanism for recording the distance covered by the bicycle, as shown in Fig. 15.32, is as follows: There is a fixed annular wheel 4 of 22 teeth and another annular wheel B of 23 teeth, which rotates loosely on the axis of A. An arm driven by the bicycle wheel through gearing not described, also revolves freely on the axis of A and carries on a pin at its extremity two wheels C and D, which are integral with one another. The wheel C has 19 teeth and meshes with A and the wheel D with 20 teeth meshes with B. The diameter of the bicycle wheel is 0.7 m. What must be the velocity ratio between the bicycle wheel and the arm, if B makes one revolution per 1.5 km covered? Fixed annular wheel B Fig.15.32 Bicycle distance measurment mechanism

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