Mechanical & Precision Engineering Videos Hacker News Recommends — Page 3

explainer#3980

The step-by-step, mechanical logic of old pinball machines

Technology Connections

“It goes horribly in-depth (in a good way).”

1 HN recommenders · 2024–2025

demo#3981

AMAZING VIDEO! Man Lifts 20 Ton Block By Hand?

Mystery History

“I really enjoyed this guy's hands on approach to moving 20 ton blocks by himself,”

1 HN recommenders · 2018–2024

interview#3982

Elon Musk Explains SpaceX's Raptor Engine!

Everyday Astronaut

“Here's a video of Elon explaining the Raptor engine design”

1 HN recommenders · 2023–2024

demo#3988

Surface Plate Calibration and Conditioning

oxtoolco

“I like the glimpse into the hobby/profession shown on channels like this”

1 HN recommenders · 2017–2020

demo#4083

Can you fold paper more than 7 times with hydraulic press

Hydraulic Press Channel

“It was this paper folding video (and the guy's unapologetic Finnish accent) that launched Hydraulic Press Channel to fame.”

1 HN recommenders · 2016–2026

demo#4109

strandbeest evolution

theo jansen

“eerily smooth, seemingly impossible walking exoskeletons”

1 HN recommenders · 2016–2022

explainer#4269

What keeps a train on the track?

BoreMeScience

“Here's a great explanation by Richard Feynman”

1 HN recommenders · 2019–2022

demo#4296

AR15: Mud Test

InRangeTV

“the purported advantages of AK action over its competitors in this regard are rather drastically overstated in popular culture”

1 HN recommenders · 2019–2024

demo#4304

TMS Bicycle, stable without gyros or trail (TMS=two-mass-skate)

Arend Schwab

“Explanation of the research in question behind this article, as well as a demonstration of the bike they based the research on.”

2 HN recommenders · 2013–2019

demo#4330

Making an unpickable lock. Calling locksmiths

Stuff Made Here

“Together they give a whole new understanding of lock design and picking methods.”

1 HN recommenders · 2021–2022

demo#4443

2009 Chevy Malibu vs 1959 Bel Air Crash Test | Consumer Reports

Consumer Reports

“Have a look at the excellent 2009 vs 1959 car crash test video”

1 HN recommenders · 2014–2023

demo#4445

ROTATING DETONATION ENGINE

Integza

1 HN recommenders · 2022–2025

explainer#4508

Lessons from a Can Opener

Technology Connections

“it's made me actually think about can openers a bit now. You might find it interesting, too.”

1 HN recommenders · 2022–2023

documentary#4513

The Life of a Bolt

Oracle Red Bull Racing

“The Life of a Bolt video does a really good job of illustrating just how far these teams will go for safety, performance, and reliability.”

1 HN recommenders · 2023–2026

demo#4519

A380 Blade Off Test

Manuito

“There are much longer versions on YT, e.g. this one [0] which covers it in more detail”

1 HN recommenders · 2010–2026

demo#4531

Crash Test 1959 Chevrolet Bel Air VS. 2009 Chevrolet Malibu (Frontal Offset) IIHS 50th Anniversary

firedemon101

“This 2009 vs. 1959 offset crash shows how much things have changed”

1 HN recommenders · 2011–2017

explainer#4532

Hybrid Power Split Device. eCVT transmission.

David Patience

“Another one from WeberAuto like in my parent comment, this time on the (apparently very similar) Honda system”

1 HN recommenders · 2023–2024

demo#4591

The Cubli: a cube that can jump up, balance, and 'walk'

Gajamohan Mohanarajah (Gajan)

“I always thought that was the coolest part of the Cubli project.”

1 HN recommenders · 2016–2024

explainer#4619

Why Can't we Remake the Rocketdyne F1 Engine?

Curious Droid

“TLDR: everything was handcrafted, notes were not made or lost”

1 HN recommenders · 2019–2022

demo#4647

Making Money Flow: The MONIAC

Reserve Bank of New Zealand

“There's a short youtube documentary on its history and operation.”

1 HN recommenders · 2020–2022

demo#4752

Authorized Personnel Only - How to Start and Sync a 400,000 Watt Turbine Hydroelectric Generator

Chris Boden

“Here's someone doing exactly that, synchronizing a medium-sized hydroelectric generator to the grid.[1]”

1 HN recommenders · 2024–2026

demo#4790

Adam Savage's One Day Builds: Refrigerated Cooling Suit!

Adam Savage’s Tested

“Fascinating design/build video.”

1 HN recommenders · 2020–2023