Discover how to convert a small AC electric motor into an efficient electricity generator using basic tools and materials.

[This article was first published in Army Sustainment Professional Bulletin, which was then called Army Logistician, volume 2, number 4 (July–August 1970), pages 18–21. The text is reproduced as ...

Replacement system delivers critical life safety standby power for elevators, egress lighting, fire pumps, and alarm ...

The concept of building your own hydroelectric generator seems simple at face value: use gravity to impart as much force as possible onto a turbine, which spins a generator, thus generating ...