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Keeping direction unchanged during rotation 9a

Pink gear, four yellow satellite gears, four blue gears and green carrier create a differential planetary drive.

The gears (except the green one) have same tooth number.

Input: green carrier rotating regularly.

The yellow gears have unchanged direction during rotation while the pink gear is immobile.

Use the orange worm to rotate the pink gear for adjusting the direction. The video shows 90 deg. adjustment.

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