The rotary engine has been absent on the frontline for quite some time, and it's on the way back. But not with Mazda.

The mind-bending world of birotary engines - a hybrid of piston and rotary technology that could revolutionize aviation. But ...

The rotary engine had its moment of automotive glory with Mazda, but while the Japanese automaker's rotary engines where small-displacement, high-revving, buzz bombs, one American startup tried a very ...

It’s happening, folks: Mazda is bringing back the rotary engine. According to Autocar, the company released an announcement on Chinese social media that it will reveal a new generation of its iconic ...

Mazda has been building new parts for the original MX-5 Miata for a couple of years and even offers a full restoration service over in Japan. Now it's expanding the parts program to the RX-7, ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Power rating: 60 kW (80 hp) at 1,200 ...

The Mazda RX-7, especially the third-generation model, is largely responsible for making the rotary engine popular. It's arguably the most iconic Mazda out there, but that's because we forget about ...

You'd think measuring an engine's displacement would be simple, but there's a long history of trying to figure out how to ...

The rotary is kind of like the Rudy (from the movie “Rudy”) of engines. It’s a little smaller than the others, and might not be quite as good, but you can’t help rooting for it. Mazda says that you ...

Displacement: 10.9 L (664.29 cu. in.) Bore and Stroke: 105 mm (4.13 in) x 140 mm (5.51 in) Societe des Moteurs Le Rhone of Paris began manufacturing air cooled rotary engines in 1910. Its rotary was ...

Got a burning question or simply need some advice with problems you’ve encountered while wrenching on your current/future projects? Ask our automotive guru Eric Hsu anything—literally, he’s going to ...

Rotaries are truly fascinating engines. They’re small, lightweight and unlike anything else on the road. Also, people keep saying something about a spinning Dorito? One of the coolest Lego projects we ...