If you are a motorhead, an unusual engine will immediately get your attention. Most vehicles today have either an inline or V-shaped configuration, so anything peculiar will immediately stick out. If ...

how to build a simple steam engine from a soda can. make a Steam Engine Generator ...

There's no real reason to do this, but I'm so glad they did.

The five-cylinder engine is uncommon relative to the ubiquitous four-cylinder, six-cylinder, or eight-cylinder variants. As an odd-number engine, it certainly is in a class of just three such engines.

"There are no bad ideas in a brainstorm," they say. Only slightly lesser well known is, "if there's a four stroke piston engine that's not a radial, Formula 1's tried it." There have been inline fours ...