The project starts with a new engine. [Emiel] chose a V4 design using four solenoids and an Arduino-based controller. After some trouble getting it to operate properly, he scavenged a small ...

Radial engines are just plain cool ... A simple program running on an Arduino could have easily provided the timing to switch power to each solenoid in succession. [Jeffrey Weng] and [Connor ...

Solenoid engines are an exciting and fun project to build. In this video, we will create a powerful solenoid engine using LEGO. The basic concept involves an electromagnet that pulls a piston into the ...