Collaborate Disseminate
What does it take to make decent tires for your projects? According to this 3D printed tire torture test, it’s actually pretty easy — it’s more a question of how …read more Continue reading 3D Printed Tires, by the Numbers
It’s official: [Engineer Bo] wins the internet with a video titled “Finding NEMA 17,” wherein he builds a dynamometer to find the best stepper motor in the popular NEMA 17 frame …read more Continue reading Putting Some Numbers on Your NEMAs
With few exceptions, power transmission is a field where wobbling is a bad thing. We generally want everything running straight and true, with gears and wheels perfectly perpendicular to their …read more Continue reading Bent Shaft Isn’t a Bad Thing for This Pericyclic Gearbox
The number of interesting and innovative mechanisms that 3D printing has enabled always fascinates us, and it’s always a treat when one of them shows up in our feeds. This …read more Continue reading Magnetic Gearbox, Part 2: Axial Flux Improves Performance
If you’re a mechanical engineer, the material covered in this video on the basics of bolted joints probably won’t cover any new ground. On the other hand, if you aren’t …read more Continue reading The Nuts and Bolts of Nuts and Bolts
Wait, what? Is it possible that a tech company just killed off a product with a huge installed base of hardware and a community of dedicated users, and it wasn’t …read more Continue reading Hackaday Links: April 24, 2022
When hackers in the US think of a retailer called Harbor Freight, we usually think of cheap tools, workable but terrible DVM’s, zip ties, and tarps. [Jimbo] over at [Robot …read more Continue reading DIY Prony Dyno Properly Displays Power Production
Once the domain of automotive repair shops and serious hobbyists with air compressors, the impact driver so famously used to remove and install wheel lug nuts and other Big Fasteners …read more Continue reading Internal Combustion Torque Monster Has Great Impact
[Levi Janssen] has a secret: he doesn’t like harmonic drives. But rather than abandon the torque-amplifying transmission completely, he decided to see about improving them using 3D-printed compliant mechanisms. For …read more Continue reading Harmonic Drive Uses Compliant Mechanism to Slim Down
[Leo Fernekes] has fallen down the Sterling engine rabbit hole. We mustn’t judge — things like this happen in the best of families, after all. And when they do happen …read more Continue reading This Custom Dynanometer Is A Sterling Example of Homebrewing