And while radial engines usually conjure images of tremendous smoke clouds on startup, this one is modern and smokeless. It produces 130 horsepower and 130 pound-feet of torque, though forced ...

Radial engines are just plain cool – it’s inarguable that any tech that originated with early aviation is inherently awesome. But, what do you do when you want to build a radial engine in your ...

If you recall, the man has spent nearly five years constructing a nine-cylinder radial engine from a smattering of Honda single-cylinder XR600 thumpers. The last time we saw this beast ...