How does a differential gear work?
Learn more about the design, function and application of a differential gear and the differential lock in this article.
https://youtu.be/HY3ZnjZtrQw
Why does a car need a differential gear?
In automobiles, the wheels are usually...
How does a three-speed gear hub work?
Learn more about the structure and function of the planetary gear in a three-speed gear hub in this article.
https://youtu.be/8R3xzAdxYIc
Assembly and function
The figure below schematically shows the assembled components of a three-speed...
Derivation of Willis equation (fundamental equation of planetary gears)
The Willis equation describes the motion of the individual gears of a planetary gearbox (epicyclic gear).
https://youtu.be/oXD9uJb_TOg
Superposition of motions
The change in speed of planetary gearboxes are no longer as easy to understand...
How does a planetary gear work?
A planetary gear is an epicyclic gear in which several gears (planet gears) mesh with a central gear (sun gear).
https://youtu.be/cKjWcUvZuhM
Stationary gearbox
So-called stationary gearboxes are characterised by the fact that the gear wheels...