If someone tells you they have seen a rotary engine, the chances are that you will immediately think of a Wankel engine, as you might find in some of the more exotic Mazda sports cars. But there is ...

Most Japanese performance car enthusiasts are familiar with the 13B twin-rotor engine Mazda equipped the RX-7 and RX-8 with. But unless you've owned and modified an RX of some type, chances are you ...

It’s a dedicated hacker who has the patience to build an engine from scratch. And it’s a borderline obsessed hacker who does it twice. [Meanwhile In the Garage] is of the second ilk, and in the video ...

Every few weeks I receive word at the office that some tinkering genius has revolutionized the internal-combustion engine. These notices arrive on pages still smelling of Damascus lightning, and ...

The rotary engine, with its egg-like block and triangular rotor, is an oddball even among all the other oddball engine designs—sorry, three-cylinder, twin-turbo, camless Koenigsegg, ya basic. That ...

Many of you have seen the process of making this rotary valve engine with different intake and exhaust system and how I tried to start it. After so many attempts to start this engine, I was ready to ...

Imagine an engine that's 30 percent smaller than a traditional piston design of like output, and that runs smoothly, with less noise and vibration. Plus, it burns several types of fuel. That's the ...

Detached engine components, with 1 cardboard box filled with rings, gaskets, and hardware. Type: Rotary, monosoupape (single valve), 9 cylinders, air-cooled Power rating: 75 kW (100 hp) at 1,200 rpm ...