Discoveries that changed the world | Crankshaft (crankshaft)

ArabiaWeather - The crankshaft or crankshaft is one of the most important mechanical inventions, and it is a major part in mechanical engines such as automobile engines, where the crankshaft in automobile engines transforms the linear motion resulting from the rotation of the pistons into a rotational motion that is transmitted to the wheels.

Al-Jazari was the creative Muslim scientist and engineer who first spoke about the crank shaft, and his invention was used to pump irrigation water in the year 1200 AD. Al-Jazari also invented valves, pistons, and locks.