How a Differential Gear Works: A 1930s Chevrolet Film
ConceptVBS · Tutorial · YouTube title: How Differential Gear works (BEST Tutorial)
Why it's here
HN loves it as an example of old-school instructional film that makes how a differential works fully understandable in clear, simple language.
What it covers
A 1930s Chevrolet training film explaining the principles and development of the differential gear. It builds the idea step by step from first principles to the finished mechanism.