Leonardo's self-propelled cart

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The original design of the self-propelled cart (Codex Atlanticus, f.812 r)^[1]

Leonardo's self-propelled cart is an invention designed by Leonardo da Vinci, considered the ancestor of the modern automobile.

The replica

A self-propelled cart replica at museum Clos Lucé

A replica of the self-propelled cart is kept at the museum Clos Lucé, near Château d'Amboise, in France.

Construction

The machine is powered by the two symmetric springs. While one spring would be enough to move the device, two symmetric springs probably looked like a more "logically perfect" solution. Leonardo has been well aware the powering force drops significantly as the spring unwinds. In order to deliver smooth and stable motion, the machine features balance wheel, as used in clocks. The control mechanism is quite complex and allows to follow the pre-programmed path automatically. The machine also features a mechanism similar to differential that also allows to set the turning angle.

Media coverage

The television show Doing DaVinci of Discovery Channel, in 2009 realized the self-propelled cart.^[2]

References

↑ (Italian) Il carro automotore
↑ "Doing Da Vinci: Episode Guide". tv.msn.com. Retrieved 6 january 2012.

External links

Self-Propelled Cart
(Italian) Il carro automotore

v t e Leonardo da Vinci

List of works Science and inventions Personal life

Paintings	†Medusa **The Annunciation **The Baptism of Christ The Madonna of the Carnation Ginevra de' Benci Benois Madonna The Adoration of the Magi St. Jerome in the Wilderness **Madonna Litta The Virgin of the Rocks (Louvre version) Portrait of a Musician Lady with an Ermine **The Virgin of the Rocks (London version) The Last Supper *“La Belle Ferronnière” *Salvator Mundi **Madonna of the Yarnwinder (two versions) The Virgin and Child with St. Anne Mona Lisa †The Battle of Anghiari *“La Scapigliata” †Leda and the Swan St. John the Baptist

Sculptures	Sforza monument (unexecuted) *Horse and Rider

Works on paper	Vitruvian Man *Portrait of a Young Fiancée The Virgin and Child with St Anne and St John the Baptist Self-portrait

Manuscripts	Codex Arundel Codex Atlanticus Codex on the Flight of Birds Codex Leicester Codex Madrid Codex Trivulzianus Codex Urbinas

Other projects	Architonnerre Leonardo's crossbow Leonardo's robot Leonardo's self-propelled cart Viola organista

Leonardeschi	Giovanni Antonio Boltraffio Cesare da Sesto Giampietrino Giovanni Agostino da Lodi Bernardino Luini Cesare Magni Marco d'Oggiono Francesco Melzi Giovanni Ambrogio de Predis Salaì Andrea Solari

Posthumous fame	Cultural references Mona Lisa replicas and reinterpretations Things named after Leonardo

Wikimedia	Leonardo da Vinci at Wikimedia Commons Leonardo da Vinci at Wikiquote

Key: Attributed *Collaboration with other artists †Lost

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