Leonardo da Vinci, engineer

By Castle of Clos Lucé

Château du Clos Lucé

Paddle wheel according to Leonardo da Vinci's drawing © château du Clos Lucé (2018) by according to Leonardo da Vinci © Château du Clos LucéCastle of Clos Lucé

Hydraulic projects

During a Renaissance in full swing, water management was a major power concern for the cities and states of Europe. Waterways became the new "highways" for transporting cargo. Leonardo da Vinci very quickly understood the pivotal role of the science of hydraulics.

Movable bridge according to Leonardo da Vinci's drawing © château du Clos Lucé, according to Leonardo da Vinci © Château du Clos Lucé, 2018, From the collection of: Castle of Clos Lucé
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This swing bridge is fixed on to one of the banks with a vertical pivot that allows it to turn on itself. A system of ropes and pulleys help the bridge move in just a few minutes to make room for the ships or withdraw access across the water. The column acts as the balance point.

Hydraulic architecture, From the collection of: Castle of Clos Lucé
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François I asked Leonardo da Vinci to work on a project which linked the Loire and Rhône rivers. The master conceived locks, river construction, swing bridges, and even paddle boats for the Kingdom's channels.

The Bi-level bridge © château du Clos Lucé (2018)Castle of Clos Lucé

Civil engineering

Following the ravages of the plague in Italy, Leonardo da Vinci had the intuition that better circulation could contribute to improving the health of cities. He developed this singular approach in his project for an ideal city where traffic was organized on two distinct levels

Its dual-level bridge offered separate passageways: one, the lower, was for goods, carts and horses.

The other, upper, was reserved for pedestrians.

Machine gun © château du Clos Lucé (2017) by © Château du Clos LucéCastle of Clos Lucé

Leonardo da Vinci, military engineer

Leonardo da Vinci is readily known for his love of nature and the arts. The Florentine master also dedicated almost 30 years of his life to helping military commanders and heads of states in conflict, designing hundreds of weapons and machines which were both formidable and deadly.

Tank © château du Clos Lucé, 2017, From the collection of: Castle of Clos Lucé
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The fighting vehicle is one of Leonardo da Vinci's most iconic machines. By combining the firepower of 30 canons, a command turret and a mechanized system for movement, it gave a new technological dimension to artillery on wheels which surpassed existing prototypes.

Da Vinci's chariot, inventeur : Léonard de Vinci, From the collection of: Castle of Clos Lucé
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The level of precision of the model impressed: tortoise shell-like armor with thirty openings to fire on all sides, a turret offering a 360° view, an interior space that could accommodate a dozen men, and serrated wheels to ensure maximum support.5 centuries later, it may have been an inspiration for our modern day tanks.

The rotating clock movement by IBM according to Leonardo da VinciCastle of Clos Lucé

Rotary movement

The transformation of movement is one of the principal operational functions of Leonardo da Vinci's machines. To convert pedal strokes and crank turns into regular movements, he used cogs. This idea of gears was shaped by its similarity with his works on anatomy. It is probably this sense of connections and this systemic vision which is reflected in his vision of the mechanics of components.

The shuttle movement, Elie Azoulay according to Leonardo da Vinci, 2011 - 2011, From the collection of: Castle of Clos Lucé
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Since ancient times, mastering movement was achieved through a set of simple machines: the winch, lever, pulley, wedge, and screw.

The gears and the rotary movement, From the collection of: Castle of Clos Lucé
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Leonardo da Vinci became interested in the art of clock making, in particular in the springs used to create a continuous mechanism. The Florentine engineer was fascinated by springs: something which controlled movement in one dimension with unprecedented accuracy.

The hoist for the lantern of Firenze cupola (2011 - 2011) by Elie Azoulay according to Leonardo da VinciCastle of Clos Lucé

Studying movement allowed Leonardo da Vinci to innovate in the field of architecture. He came up with systems that distributed weight and force, such as the crane used in the construction of the dome of Florence cathedral, as designed by Filippo Brunelleschi.

A screw and wheel system which enables vertical and lateral movement of loads.

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Château du Clos Lucé

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