1982-02-01

An Easy Way to Know the Gear Ratio of Automatic Transmission by Using the Relative Speed Diagram 820459

It is usually not easy to know the gear ratio of automatic transmission with planetary gears. The author developed an easy way to calculate the gear ratio by using a simple relative speed diagram. With this method, as even a graduate of junior high school can calculate the gear ratio of relatively complicated automatic transmission, the method is widely used at vocational centers, vocational schools and junior colleges of vocational training dotted all over Japan effectively.

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