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Conversion of Motion

Conversion of Motion

Fascinated by problems related to the conversion of motion – from linear to rotary motion and vice versa - da Vinci designed a great many devices combining gear wheels, linkages, cams and ratchets to transmit and modify mechanical movement.

Motion Conversion Device I

Motion Conversion Device I

This device uses a friction belt. The user turns the handle and observes how the disk rotates

Motion Conversion Device II

Motion Conversion Device II

This device converts rotary motion into back-and forth linear motion. The user turns the crank handle to turn the tooth wheel, and observes how the rod moves back and forth.

Motion Conversion Device III

Motion Conversion Device III

This device converts linear motion into rotary motion. The user moves the handle up and down and observes how the cylinder turns.

Motion Conversion Device IV

Motion Conversion Device IV

This device converts linear motion into rotary motion. The user moves the handle up and down and observes how the wheel turns.

Motion Conversion Device V

Motion Conversion Device V

This device converts the direction of rotary motion. The user turns the handle in one direction and observes how the disk turns first in one direction and then in the other.

Jack with A Reduction Wheel

Jack with A Reduction Wheel

This device converts rotary motion into linear motion. The user turns the tooth wheel to produce linear motion of the rack bar.

Hammer & Anvil

Based on the conversion of rotary motion into linear motion: The user moves the handle up and down to rotate the wheel, which in turn operates the hammer, hammering down on the anvil.