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 ...

Wankel engines first saw use in production cars as early as 1964 — and not even in a Mazda, but rather in an NSU. That little single-rotor powerplant quickly evolved into the more typical two-rotor ...

Rob Dahm, notorious rotary-powered car builder, has firmly jumped into the deep end of the pool with his latest project: The world's only 15.7-liter, tri-turbo Y12 rotary engine. If that doesn't make ...

Add The Drive (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results The ...

Rotary engines (also known as Wankel engines and Wankel rotary engines) are quite different from piston or "reciprocating" engines. One of the distinguishing features is that they don't need valves to ...

Isaac Atienza is a Filipino motoring journalist who joined TopSpeed.com in 2021. He also owns a Filpino motoring website called Go Flat Out PH and is also a contributor to a local newspaper called The ...

If you’ve ever wondered what a single-rotor rotary engine sounds like, here’s one that makes 155 horsepower by Rob Dahm. Rob Dahm is one of those guys who make crazy builds. Just a while back, he ...

For a time, the Wankel rotary engine seemed like the future. In 1963, German automaker NSU—later absorbed into Audi—debuted the Wankel Spider, the first internal-combustion production car not powered ...

Chris Bruce has worked in the automotive industry since 2011 and has written thousands of stories about cars, motorsports, and motorcycles in that time. He has written for Autoblog, Autoviva, CarFax, ...