Developing A 4,500 RPM Twin-Cylinder Air Engine

Compressed air isn’t really a practical form of energy storage for headline uses like transport or heating, but it’s a fun thing to tinker with at the small scale. [Tom Stanton] is plen…

A Compressor Of Compressors Breaks The Noise Barrier

Having compressed air available in a workshop can be extremely useful. Having a compressor isn’t such a pleasure though, because unless it’s a very expensive model, it will be one of th…

Golf Club Shooter Is Your Ballistic Friend On The Green

Golf is a sport that has always enjoyed a good gadget or eight. Whether it’s something to measure the wind, or the latest putter guaranteed to save your game, golf enthusiasts have always flo…

Powering A Backyard Railway With Compressed Air

When you’ve gone to the trouble of building your own backyard railway, chances are pretty good that at some point, you’re going to want to add a locomotive of some sort. After all, nobo…

Compressed Air Jumping Shoes Are Not For The Faint-Hearted

[Ian Charnas] has taken a short break from building things that might injure himself, by building something that could injure somebody else instead. (Video, embedded below) Well, hopefully not anyw…

Solder Paste Dispenser Without Giant Compressor

We have certainly all had our moments with solder paste. Some of us hate it; it’s sticky and gooey, and it gets everywhere. That is, unless you have a solder paste dispenser. The trouble with…

A Capable Nerf Launcher Robot

Nerf blasters are fun to play with, and it’s now possible to even get robotic Nerf launchers you can use to chase around your friends. [Engineering After Hours] wasn’t satisfied with th…