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

Meet the Birotary, a crazy new and complicated engine that has three cylinders arranged like a star, a rotating block, a ...

Once left behind due to high fuel consumption and fragile reliability, the rotary engine, long championed by Mazda, is making ...

Over-the-top rotary builds are an enthusiast tradition. Because so few rotary cars have been made, the limits of the engine type haven't been fully exploited by automakers. It's been tuners who have ...

Although it showed plenty of promise during development, the rotary engine was never widely used. Rotary (or Wankel) engines are renowned for smoothness, but they chew through fuel and lack torque ...

When Dr. Felix Wankel created an engine that could produce big power while taking up the smallest space possible, who would have expected the tuning world to accept it with such open arms? Considering ...

The Wankel rotary engine is known for its troubled life in the mainstream automotive industry, its high power-to-weight ratio, and the intoxicating buzz it makes at full tilt. Popular with die-hard ...

Graphite-fiber-reinforced magnesium (Gr/Mg) composite materials offer an excellent combination of high strength and stiffness at both ambient and elevated temperatures, light weight, good fatigue and ...