A solenoid engine is a curiosity of the electrical world. By all measures, using electricity to rotate something can be done almost any other way with greater efficiency and less hassle.

How to Make a Solenoid Engine at Home V6 powerful solenoid engine ...

Magnetic Sensor Systems says its solenoids can be used as a push type solenoid at the push end or a pull type solenoid at the ...

Here’s a solenoid motor you can build from a VCR head and some common components. It uses an LED and a light sensor, paired with an LM311 comparator to manage the switching of the motor.