Variable speed drive

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In this design da Vinci meshed or engaged three different diameter cogged wheels to the same lantern wheel to produce three different speeds of rotation.

American Milton Reeves applied this principle to saw milling in 1879 and it is the basis of modern automotive and push-bike gear systems.

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IMAGE: Gears Photo: Volodymyr Krasyuk / Shutterstock.com

Acknowledgement of Country

UTS acknowledges the Gadigal people of the Eora Nation, the Boorooberongal people of the Dharug Nation, the Bidiagal people and the Gamaygal people, upon whose ancestral lands our university stands. We would also like to pay respect to the Elders both past and present, acknowledging them as the traditional custodians of knowledge for these lands.