Collaborate Disseminate
From the earliest days of warfare, it’s never been enough to be able to build a deadlier weapon than your enemy can. Making a sharper spear, an arrow that flies …read more Continue reading Retrotechtacular: Making Enough Merlins to Win a War
In general, the simpler a thing is, the better. That doesn’t appear to apply to engines, though, at least not how we’ve been building them. Pistons, cranks, valves, and seals, …read more Continue reading A Wobble Disk Air Motor with One Moving Part
Many beginner woodworkers, looking to offset the introductory costs of starting a hobby, will source their wood from pallets. Generally they’re easily found and can be low or no cost, …read more Continue reading This Go-Kart Rides on a Pallet
Wave Engine Corp has aced a demonstration flight of a simple jet engine with no moving parts. A modern version of a pulsejet, the J-1 engine powered a UAV through take-off and several mid-air stop/starts before the aircraft nailed the landing.Continue … Continue reading Video: Wave Engine’s UAV test flight brings pulsejet into 21st century
We all know how a conventional internal combustion engine works, with a piston and a crankshaft. But that’s by no means the only way to make an engine, and one …read more Continue reading Retrotechtacular: The Free Piston Engine
California auto builder Scarbo Vintage has launched its third vehicle, describing it as the world’s first street-legal Hypertruck. The two-seat SV Rover can be had with 1,100-hp supercharged V8 grunt or 1,000-hp electric drive, and is reported to start… Continue reading Monstrous SV Rover gas/EV ‘Hypertruck’ starts at $1.5 million
Sure, it does less than originally promised, but hey — at least it’s more expensive. That about sums up Tesla fans’ feelings after the long-awaited Cybertruck reveal at the Texas …read more Continue reading Hackaday Links: December 3, 2023
The reciprocating engine has been all the rage for at least three centuries. The first widely adopted engine of this type was the steam engine with a piston translating linear …read more Continue reading Machining a Reciprocating Solenoid Engine
If you live somewhere prone to power outages, you might have thought about buying a generator. The problem is that small generators are cheap but — well — small. Big …read more Continue reading That’s not a Junker… That’s My Generator
3D printed materials have come a long way in the last decade or so as printers have become more and more mainstream. Printers can use all kinds of different plastics …read more Continue reading 3D Printed Engine Gets Carburetor