Hacker News with Generative AI: Mechanics

A 15-minute intro to involute gears (lcamtuf.substack.com)
Involute gears are everywhere: toys, kitchen appliances, cars. But what's so special about their shape?

Engineering, Mechanics, Design, Mathematics

56 points by lapnect 4 days ago | 8 comments

Understanding Ship Rudders: Types and Functions (medium.com)
Ship rudders serve as a critical component in maritime navigation, playing a fundamental role in steering vessels by manipulating the flow of water past the hull.

Maritime Navigation, Engineering, Ships, Mechanics, Technology

3 points by squircle 35 days ago | 0 comments

The Physics of Colliding Balls (vanhunteradams.com)
Consider the case of one ball of mass $m$ approaching and striking a stationary ball of mass $M$. As we'll see, solving this problem sets us up to solve arbitrary collisions.

Physics, Mechanics, Collisions

67 points by vha3 55 days ago | 21 comments

Calculating the Mechanical Advantage of Cantilever Brakes [video] (youtube.com)

Engineering, Mechanics, Video, Cantilever Brakes

4 points by greener_grass 72 days ago | 0 comments

Failing starter motor – why does whacking it help? (stackexchange.com)

Cars, Mechanics, Troubleshooting

5 points by squircle 98 days ago | 2 comments

Direct-Drive Bicycle (velotegra.com)

Bicycles, Mechanics, Innovation

7 points by aaronetz 107 days ago | 9 comments

A Different Kind of Disc Brake: 1949 Chrysler (2023) (macsmotorcitygarage.com)