Collaborate Disseminate
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
We’ve probably all used gears in our projects at one time or another, and even if we’re not familiar with the engineering details, the principles of transmitting torque through meshed teeth are pretty easy to understand. Magnetic gears, though, are a little less intuitive, which is why we appreciated stumbling …read more
Continue reading Simple Demo Shows the Potential of Magnetic Gears
Betteridge’s Law of Headlines holds that any headline ending in a question mark can be answered with a resounding “No”. But as the video below shows, a Lego machine that twists steel asunder is not only possible, it’s an object lesson in metal fatigue. Touché, [Betteridge].
In pitting plastic against …read more
Back in high school, all the serious gearheads used to brag about two things: their drag strip tickets, and their dynamometer reports. The former showed how fast their muscle car could cover a quarter-mile, while the latter was documentation on how much power their carefully crafted machine could deliver. What …read more
Continue reading This DIY Dynamometer Shows Just What A Motor Can Do