Just because LEGO Technic is technically a toy doesn’t mean that you cannot do solid engineering with it, like building air-powered engines. After first building a simple air-powered piston ...

Pneumatic engines aren’t something we use every day, but they’re compelling things to see working in practice. [Nico71] built an eye-catching example out of LEGO Technic, and it’s remarkably ...

Little Lego engines with actual pistons and crankshafts that turn and move are one of the true simple joys of human life in the modern era. So, it just stands to reason that the best way to maximize ...

Building engines at home isn’t exactly easy, unless you are one of the lucky few who work in the industry. Even so, the lobying required to convince your wife to accept those oil stains in the living ...