This little engine fits in the palm of my hand and makes 1.8 horsepower from just 2.95cc. That’s insane. So, how does something this tiny make so much power? Three reasons. First, it’s a two-stroke.

We really don’t know if the world needs it but we’re sure glad [johnnyq90] took the time to build one. We’re talking about a nitro powered rotary tool. Based on a Kyosho GX-12 nitro engine, commonly ...

There are many advantages to using electric motors in tools, including high-levels of torque, lightweight designs, and relatively quiet operation. But if you miss the deafening roar of a gas-powered ...

You might not be able to swap this V-8 into your car to make it into a mean drift missile or rocket it to 60 mph in sub-three-seconds, but you could strap it to a bicycle or put it in an RC car for ...

Over the last 75 years, hot rodders have tried souping-up their engines with every possible exotic fuel and power additive. After trial and error, they settled on nitromethane—a dry-cleaning solvent ...