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Using the Common Gear Block - Cardan Gear Mechanism

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This example shows the Cardan Gear mechanism that converts rotational motion into reciprocating linear motion without using linkages or slideways. The mechanism uses three gears - one sun and two planet gears. The sun gear is twice as large as the planet gears (which are of the same size). The red pointer on the link traces a straight line as the gears rotate.

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