The rotary engine was an unconventional design that delivered great power for its size. Here's what's good and bad about it.

Here's the process of making this rotary valve engine with a different intake and an exhaust system. It wasn't easy to start ...

Tons of enthusiasm inside Mazda to productionize the Iconic SP, but making the numbers add up is tricky ...

Learning how to build and understand a mini engine is an exciting journey for anyone interested in mechanics. A mini engine, ...