Not every engine has a set of pistons that move up and down in a cylinder. The Wankel, or rotary engine, delivers its power ...

Join me as I tackle the challenges of repairing and rebuilding my custom rotary valve engine after a dramatic failed start and heavy smoke. Watch the detailed disassembly, from removing the covers to ...

Think you know everything about rotary engines? Well have you ever heard of the bi-rotary engine that mixes pistons and ...

The rotary engine has been a Mazda staple since 1967. It powered one of the most famous and eccentric Japanese sports car line-ups, the RX-series, until 2012 when Mazda discontinued pure ...

After years of rumors and experimentation behind closed doors, the Mazda rotary engine is officially back. The Vision X-Coupe, a plug-in hybrid concept showcased at the 2025 Japan Mobility Show, has ...

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 ...

How the 13B-MSP Renesis evolved from earlier Mazda rotary designs, technical features explained, and common problems and maintenance issues discussed. The 13B-MSP Renesis rotary engine powered the ...

The 1970s were full of strange automotive experiments, but few were as unlikely as a compact Japanese pickup powered by a screaming rotary engine. Mazda’s Rotary Engine Pickup, better known as the ...

The Mazda Iconic SP sports car concept was first shown at the 2023 Japan Mobility Show. The two-seater in Viola Red with 2+2 interior space was promised as a production car, similar in design, in the ...

Developing a gasoline-powered rotary engine was a dream for Felix Wankel, and we mean that literally. Some steam engines worked on the same basic principle as far back as the 18th century, but the ...