But there’s just something riveting about watching a solenoid engine work. If you want to build one of your own and see for yourself, [Emiel] aka [The Practical Engineer] has a great how-to.

For example, to use a DC motor in a robot leg, one might expect to need a gearbox, a motor driver, plus an encoder for position sensing. If smooth, organic motion is desired, some sort of ...

Narrator: Besides building three different engines, Matt had to build the proper jet-engine control panels, including a setup for the driver that connected to the rear controls. This meant a lot ...