Transmitting rotation 3 4 2 2 Gear ratio 8 8 1 1 3 2 1 2 2 16 16 1 1 4 Transmitting rotation 3 2 16 16 1 1 4 24 24 1 1 2 3 2 Transmitting rotation 5 3 2 2 3 2 2 36 12 36 3 1 3 5 40 40 1 1 6 6 Transmitting rotation 7 3 4 2 2 2 12 12 1 1 8 2 20 20 1 1 2 2 4 2 2 2 4 Transmitting rotation 7