In this video, we address several common questions regarding the rotary vane engine and its design, including: 00:00 Introduction 04:53 Q1: Why don’t the vanes catch on the ports? 06:05 Q2: Is the ...

In the 1920s, Felix Wankel thought that the conventional approach to engine design was not complicated enough and so, in a classic case of thinking outside the box, came up with his novel rotary ...

Designed and championed by self-taught engineer Felix Wankel, the rotary engine is now most closely associated with Japanese automaker Mazda. Many of the greatest Mazdas ever made, including the RX-7 ...

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 ...

There are essentially three parameters preventing the proliferation of space travel outside of the purview of trained astronauts and a handful of ultra-wealthy space tourists. Of course, those would ...

Perfectly tuning the heat range of an engine's spark plugs is something of a dark art to all but the most well versed tuners and the engineering egg heads at automotive OEMs. Getting the spark plug ...

In theory, Wankel-style rotary internal combustion engines have many advantages: they ditch the cumbersome crankcase and piston design, replacing it with a simple, single-chamber design and a thick, ...

Apart from the Le Mans-winning GT40, the rally-bred RS200, and the two famous iterations of the GT, Ford has built several interesting mid-engine prototypes throughout its history. Placing a motor ...

Mazda’s rotary engine is coming back in the spotlight, but this time it’s not just a nostalgic callback to the RX-7 glory days. Instead, it’s quietly shaping the brand’s electrified future. Rather ...

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 ...

For more than 100 years, the internal combustion engine (ICE) has been the mechanism of choice for vehicles of all shapes and sizes. Across all configurations, the principle is the same: a mix of fuel ...

Mazda’s rotary engine has been officially reborn, but not quite in the way you might think. Yes, we saw a drop-dead gorgeous Iconic SP rotary-hybrid coupe concept unveiled at last October’s Japan ...