There are multiple hurdles to clear when performing a restoration or mechanical refresh on a car. To restore a popular ...

If there's one thing forever associated with the Wankel rotary engine, it's Mazda. Powering production vehicles from the Cosmo's launch in May 1967 to the last RX-8 leaving the plant in June 2012, 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 ...

The engine in question was the Wankel rotary, named after German engineer Felix Wankel, who first patented the concept in 1929. Instead of pistons moving back and forth, the rotary engine used a ...

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 ...

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, ...

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 ...

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 ...

Amphibious cars are a monument to indecision, never perfected, always a compromise of some sort but often in their weird way sublime, like the Sea Lion Amphibious Prototype heading for auction this ...

Language is an imperfect medium, but it's what we've got, so let's go with it. Determining the swept volume of inventor Felix Wankel's rotary engine can generate more arguments than claiming what a GT ...

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 ...