That alone reduces emissions and increases engine longevity. The rotary valve also means that the blockages caused by conventional poppet valves are not an issue as poppet valves are not needed in ...

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 ...

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 ...

Mazda had to put their darling Mazda RX-8 out to pasture in 2012. A number of factors were responsible, from the rising fuel prices to more restrictive emissions guidelines. The weaknesses inherent to ...