In this video, you'll see the different types of engines and propulsion systems used for aircraft, my favorite ones: Turbojet ...

The earliest piston engines typically had only one cylinder, and at best, produced horsepower measured in single digits. But once you have a working engine, it’s a relatively short step to adding ...

Diesel engines can technically run backwards, though there's very little (if any) practical applications for this, especially ...

Automakers used to favor high-revving engines that made lots of glorious noise. That is now the exclusive domain of ...

Not pretty, but we’ve done worse ourselves. By 12 minutes in, we were worried it wasn’t going to work again, but it did work although it wasn’t terribly reliable to start. Still, when it worked, it ...

More an ancient tool than a groundbreaking gadget, the fire piston relies on basic chemistry to ignite a campfire with the ...

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 ...

We know gasoline is flammable. It burns. And we know gasoline creates heat energy when it ignites. Heat created by the igniting gasoline and air mixture is what gives us the power necessary to propel ...

Anyone with even the slightest shred of mechanical sympathy has to wince at videos like this one. Redditor Conyers117 recently posted a video of a diesel engine from an International DuraStar work ...