His works were preserved without any explanation by him beyond what he wrote a long time ago.
His imagination was one of his driving forces even if all of his inventions weren't used at the time.
It was a time to explore and try all sorts of disciplines to see what you could think.
He knew the object had to lack "air resistance".While he may not have invented the Heliocentric idea of the universe, he did believe that the was in the center of the Universe and aimed to describe the way the sun shone its light on the Earth and the Moon.Instruments and Parts to a Whole Machine.Since he was a skilled artist, he had the ability to demonstrate minute details that a scientist would not be able to display.Of course, having the ability to draw helps to preserve your work properly so people in the future can try to make your work a reality.The necessary valve was designed by Emile Gagnon and Jacques Cousteau in 1943.At some point in the early 1490s, da Vinci began filling notebooks related to four broad themespainting, architecture, mechanics and human anatomycreating thousands of pages of neatly drawn illustrations and densely penned commentary, some of which (thanks to left-handed mirror script) was indecipherable to others.
"Heart- Drawing of Bovine Heart." Wellcome Collection.
This is also a discussion of the Umbra and Pnumbra, which is the shadows the moon casts upon the Earth.Leonardo also believed in the power of the motion of water.Leonardo Da Vinci also investigated the topic of light refraction and the a heliocentric universe.The tubes are attached to a face-mask and at the other end to a bell-shaped float to keep the openings above water.He also dreamed of a flying machine, designs for boats, a machine for storming walls, as well as a parachute."The earth is not in the centre of the Sun's orbit nor at the centre of the universe, but in the centre of its companion elements, and united with them.He taglio caschetto corto often utilized these things into his inventions.

Although he's often recognized for his great works of art, many scientific inventions came from him even if his plans were not able to be executed properly at the time.
Da Vincis interests ranged far beyond fine art.
There is simply too much to understand and know.