Best Mechanical & precision engineering Videos
The 141 Mechanical & precision engineering videos here were recommended by different people across different months. Choose by who it is for: 8 introductory, 22 intermediate, 106 for a general viewer, and 5 for someone who wants the harder derivation. Most of them are a demo. What they share is that you see the result first and only then decide whether to follow the detail. Channels you will keep seeing include Technology Connections, Veritasium, Stuff Made Here.

How to design an actually good toaster with lessons from the 1940's
Technology Connections praises a 1940s-50s Sunbeam toaster and explains what makes a toaster well designed, drawing on a vintage Sunbeam video.

Tesla Model 3's motor - The Brilliant Engineering behind it
An engineering explainer on why Tesla abandoned the induction motor for the Model 3 and used an IPM-SynRM design.

EEVblog #854 - B52 Bomber Automatic Astro Compass Teardown
Dave Jones of EEVblog tears down a Kollsman MD-1 Automatic Astro Compass, a mechanical analog computer from a B-52 bomber.

The 3D-Printed Curta Calculator
Adam Savage shows off his collection of analog calculators, ending with a 3D-printed, scaled reproduction of the Curta mechanical calculator built by Marcus Wu.

Forced-air Furnaces: The What, Why, and How
Technology Connections explains what forced-air furnaces are, how they work and why they need electricity.

What Is A Rotating Detonation Engine - And Why Are They Better Than Regular Engines
Scott Manley explains rotating detonation engines, how they differ from pulsed detonation engines, and why thermodynamics predicts they beat traditional jet and rocket engines.

1925 Doble E-20 Steam Car - Jay Leno's Garage
Jay Leno tours and drives a 1925 Doble E-20 steam car, once owned by Howard Hughes, covering how it starts up and runs.

High precision air bearing CNC lathe and grinder
Dan Gelbart shows his home-built air bearing CNC lathe and grinder, which reaches about 1 micron accuracy.

Tesla Valve Explained With Fire
NightHawkInLight demonstrates how a Tesla valve works by sending a propane flame front through one, making the flow visible.

The Antikythera Mechanism Episode 9 - Making The Epicyclic Pin and Slot Gearing
Clickspring makes the pin-and-slot epicyclic gearing of the Antikythera Mechanism, the module modelling the Moon's variable motion in the Greek theory, by hand.

This Arcade Game is a SCAM (I have proof)
Mark Rober builds a machine that plays the Cyclone arcade game with perfect timing and discovers the game is rigged so that perfect play still loses.

British Airways Boeing 747-400 in D-Check
An Engineering Giants documentary episode following a British Airways Boeing 747-400 through a D-check, the heaviest maintenance inspection, in Cardiff.

World's First Human-Powered Ornithopter
A short clip of the Snowbird, a human-powered ornithopter built by University of Toronto students.

Why it's not possible to synchronize turn signals (but also absolutely is)
Technology Connections explains why car turn signals appear to drift out of sync at stoplights and how thermal and other flasher designs work.

See in complete darkness with touch
Stuff Made Here builds a device that lets a blind person perceive their surroundings by touch, using an iPad's lidar and a mechanical tactile display driven by motors.

How the pantorouter works
Matthias Wandel shows how his pantorouter, a template router machine, works.

I put Koenigsegg’s freevalve tech on a Miata... It runs and drives!
Hobbyist Wesley Kagan shows his Miata running and driving with a homemade version of Koenigsegg's freevalve camless valve technology.

Rockwell Retro Encabulator
A spoof industrial promo for the Rockwell Retro Encabulator, a deadpan stream of technobabble about an imaginary machine.

BMW's Hydrogen V12 Engine Is A Hilarious Engineering Stunt
Engineering Explained examines BMW's Hydrogen 7, a V12 that burns liquid hydrogen or gasoline.

The Future of the Internal Combustion Engine - /INSIDE KOENIGSEGG
Episode 7 of the Inside Koenigsegg series, where Christian von Koenigsegg demonstrates the camless Free Valve engine technology.

A simple water heater is more clever than it seems
Technology Connections explains how an ordinary tank water heater works, including twin-element designs, and why it is cleverer than it looks.

Chest Freezers; What they tell us about designing for X
Technology Connections explains how refrigerator and freezer design affects energy use, using chest freezers to show why top-opening designs and layout choices matter.

AK47 (AKM): Mud Test
InRangeTV's controlled mud test of an AKM, covering it in mud and testing whether it still fires, in a series that also tested the M1, M14 and AR-15.

Computational Design of Mechanical Characters
A Disney Research SIGGRAPH 2013 demo of an interactive system that lets non-experts design animated mechanical characters.