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Production Mazda Renesis in the Mazda Museum. The Renesis engine – also 13B-MSP (Multi-Side Port) – which first appeared in production in the 2004 model-year Mazda RX-8, is an evolution of the previous 13B. It was designed to reduce exhaust emission and improve fuel economy, which were two of the most recurrent drawbacks of Wankel rotary ...
The Mazda RX-8 Hydrogen RE is a 2003 bi-fuel version of the RX-8 sports car, in which the twin-rotor wankel rotary engine is configured to run on either hydrogen or gasoline. This is the fifth Mazda vehicle to be fitted with a hydrogen wankel rotary engine.
The Mazda RX-8 is a sports car manufactured by Japanese automobile manufacturer Mazda between 2003 and 2012. It was first shown in 2001 at the North American International Auto Show. It is the direct successor to the RX-7. [4] Like its predecessors in the RX range, it is powered by a rotary Wankel engine. The RX-8 was available for the 2003 ...
Higher exhaust back pressure reduces mean effective pressure, more severely in peripheral intake port engines. The Mazda RX-8 Renesis engine improved performance by doubling the exhaust port area relative to earlier designs, and there have been studies of the effect of intake and exhaust piping configuration on the performance of Wankel engines ...
Although Mazda is well known for their Wankel "rotary" engines, the company has been manufacturing piston engines since the earliest years of the Toyo Kogyo company. Early on, they produced overhead camshaft, aluminum blocks, and an innovative block containing both the engine and transmission in one unit. This section summarizes piston engine ...
The RX-8 utilized a new generation of the Mazda Wankel engine, dubbed "Renesis", which uses side intake and exhaust ports. 787B was displayed at the Otaru City Museum for 20 years, but the car has been returned to Mazda Headquarters as of November 18, 2015. [13]
The Star Mazda Pro, is an open-wheel formula racing car, designed, developed and built by Star Race Cars, for the North American Pro Mazda Championship spec-series, between 2004 and 2017. They were powered by 240 hp (180 kW) "Renesis" wankel rotary engine .
The few strenghts of Wankel engines are unimportant. The Mazda RX-8 with 231 hp has the performance of sporty cars with 200 hp piston engines (compare the acceleration times 0-200 km/h), but the fuel consumption of 400 ci V8. And furthermore, Mazda engines loose their power sooner than piston engines, one of the untold/secret reasons for sale ...