The World's Weirdest Rotary Engine Is A 118-Year-Old French Spinner That Leaks Castor Oil Everywhere

Wankel rotary engine powered thousands of aircraft. One of several problems: It spewed castor oil on its pilots.
CarBuzz on MSN

Pros and cons of the rotary engine

The rotary engine was an unconventional design that delivered great power for its size. Here's what's good and bad about it.

An early spin on the rotary engine

Most car enthusiasts associate the term “rotary engine” with Felix Wankel’s invention, developed in the 1950s and most commonly associated with Mazda. However, more than half a century before the ...
sciencex

Big power, small footprint: how biofuel rotary engines put sustainability on fast spin

A bold collaboration aimed to bring research to reality could rewrite the rulebook on sustainable energy. Advanced Innovative Engineering (AIE), the leader in high-performance rotary engines, is ...
Jalopnik

Why Mazda Built The Three-Rotor 20B Engine (And Used It Just Once)

Mazda made a splash in the market in 1990, launching the Eunos Cosmo with the three-rotor 20B engine. Compared with contemporary Wankel rotary engines, the 20B's extra rotor beefed the compact ...