How Differential Gear works (BEST Tutorial)
5 人推荐 · 跨 5 个月 · 2013–2020
中文导读
一部 1930 年代 Chevrolet 拍摄的经典机械原理教学片。片子摒弃公式，从两根同轴车轮转弯打滑的第一性原理起步，逐级推导、添加轮辐与齿轮，现场手工拼接出完整的汽车差速器结构。
为什么 HN 推它
老派教学片的封神之作，无需任何预备知识，纯靠无与伦比的视觉演绎让人瞬间洞悉机械美学与差速器运转逻辑。
「看完这部 1930 年代的 Chevrolet 老教学视频，我感觉自己终于彻彻底底搞懂差速器是怎么工作的了。」HN 网友原话：after watching this ancient Chevrolet training video from the 1930's I feel like I completely understand how diffs work
英文原摘要（HackerTube / Claude 整理）
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.
HN loves it as an example of old-school instructional film that makes how a differential works fully understandable in clear, simple language.
HN 上的提及
They are both extremely well done and demonstrate in clear and simple language from first principles to finished object.
Here's another retro tutorial that really stands out in my memory
after watching this ancient Chevrolet training video from the 1930's I feel like I completely understand how diffs work
A 1937 explanation of how the differential in a car works
These old-school education videos are such a treat.