The standard open differential works perfectly in cars, allowing you to take tight turns without breaking a sweat. Explaining how a differential works is a bit difficult, that’s why this 1937 film is the perfect teacher. This short film perfectly explains and simplifies it down to the last detail.
Once you understand the basics, the more complex stuff get more comprehensive.
This “instructional film” is a production work of former Olympic swimmer, Henry Jamison. Henry got expelled from school after writing an article in the Chicago Tribune, and later got into the instructional film making industry. Anyway, this video is a perfect explanation of the car differential, so we advise you to watch it, enjoy.