Leonardo da Vinci's GENIUS invention - Miter Locks

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Leonardo da Vinci's one invention is still getting used in many modern canals. Let's get to know them in detail.

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Lesics

My dad did maintenance on the Panama canal and told me the motors to swing the lock gates were not powerful. He said the gates were so well balanced that a man could open and close them. The powerful unit was the mule engine that pulled the ship through the locks. The big maintenance item is keeping the upper part of the canal dedged

saltyroe

You've been such a great educator over the years, it's time to give something back so you can keep teaching others into the future

ijustwanttocomment

It's amazing how da Vinci stopped flow of water using its own pressure
It works like a reverse aerodynamics.

tomandjerry

Used extensively in UK canals during the industrial revolution his idea turned into practical use and used in the Panama canal today, and still nothing as effective and simple to build (simple compared to rising and falling gates) he was an incredible man

stephenhill

I live near one of the canals that Leonardo designed in the 15th century. They still have dams placed where he wanted them to be. He was such a great genius.

francesco

Great Video, superb animation and narration. It is amazing to think how the geniuses come up with such great designs and many engineers perfect it over time.

SALESENGLISH

Sluice valves are mentioned once but never explained. It's as if you think their particular design mechanism is too obvious to explain. But how do they stay watertight? If they are part of the gates, how are they opened from the canal bank? Opening them against strong water pressure must be difficult too. If not, why not?

thomasjoyce

I was already to comment about the difficulty in how the two gates meet in the middle when closing, but the step at the bottom solves that. Brilliant!

rander

Lesics as a channel is so damn underrated

someshyv

The veins in our body also have these valves to prevent the blood from flowing back o the organ

joemammenjohn

I just randomly came across this channel with this first video. It seems like those simple informative videos that were made in the early 2000's that I was shown as a kid, It is much appreciated!

MissesWitch

OMG I saw this when I was studying in Scotland. I was fascinated by it and to know that this creation was hundreds of years old is astonishing

Sierra

I have been around miter lock operations most of my life and have yet to see one that is watertight, no matter the level on the upstream side. It is theoretically possible, of course, with the right sealing materials installed, but in practice, that free joint in the middle is not constructed _that_ perfectly no matter how much pressure is applied. The leakage is generally not significant, so it is still the most useful design, but It is a very different construction type than, say, a precision airlock on a space capsule.

ReflectedMiles