How Differential Gear works (BEST Tutorial)
What it is
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.
Why Hacker News recommends it
HN loves it as an example of old-school instructional film that makes how a differential works fully understandable in clear, simple language.
- 5 people recommended it
- 5 different months
- 3 strong recommendations
- first 2013, last 2020
What HN commenters said
“They are both extremely well done and demonstrate in clear and simple language from first principles to finished object.”
Clear first-principles explanation of how a differential works
Sukotto, 2013-07 · Strong recommendation · in “Show HN: Sketch, connect and simulate gears and chains”
“after watching this ancient Chevrolet training video from the 1930's I feel like I completely understand how diffs work”
1930s Chevrolet training film making differentials fully understandable
nogridbag, 2015-07 · Strong recommendation · in “How a car works (2012)”
“These old-school education videos are such a treat.”
Old-school video on differential gearing
anitil, 2020-04 · Strong recommendation · in “How to Use a Differential Analyzer”
“Here's another retro tutorial that really stands out in my memory”
Retro tutorial on differential gears
rileyjshaw, 2014-11 · Recommendation · in “Space Filling Curves (1972) [video]”
“A 1937 explanation of how the differential in a car works”
Old instructional film explaining the car differential
tzs, 2015-08 · Recommendation · in “How a Watch Works (1949) [video]”
Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.
Topics: differential, gears, automotive, mechanical engineering, vintage training film
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