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Furai Concept
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  Mazda Furai Concept      

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Country of origin:Japan
Produced in:2008
Introduced at:2008 NAIAS
Source:Company press release
Last updated:December 24, 2008
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Click here to download printer friendly versionThe Mazda Furai concept car which makes its world premiere at the NAIAS in Detroit, Michigan, today (Sunday), celebrates 40 years of Mazda's rotary engine and international motorsports heritage. The raciest interpretation of NAGARE design language to-date, Furai is the latest car in Mazda's award-winning and highly acclaimed series of concept cars. Nagare (pronounced 'na-ga-reh'), is the Japanese for 'flow' and the 'embodiment of motion'.

Furai (pronounced 'foo-rye' - Japanese for 'sound of the wind') is the sort of car that could only come from a company that incorporates the 'Soul of a Sports Car' into everything it builds, but with an eye toward the future and the environment through the use of renewable fuels. Consequently, Furai is initially tuned to operate on 100 per cent ethanol, while research with partner BP into other future fuels, including ethanol/gasoline blends like E10, continues.

On any given weekend, there are more Mazdas and Mazda-powered cars road-raced in North America than any other brand of car. This is because every Mazda sedan, coupe and sports car really is developed with the highest possible dose of the company's trademark Zoom-Zoom responsive performance and handling - truly the 'Emotion of Motion'.

However, Zoom-Zoom is about more than simply vehicle performance. The look and style that is Zoom-Zoom can best be seen in previous NAGARE-based design studies, including the Mazda Nagare concept that debuted at Los Angeles in 2006; Mazda Ryuga (first shown a year ago in Detroit), Mazda Hakaze (which appeared in Geneva last year) and Mazda Taiki - the star of the 2007 Tokyo Motor Show.

The 'Nagare' ethos is how Mazda's future production models will sustain the Zoom-Zoom spirit by exhibiting their strong affinity for motion.

Manufacturers commonly showcase concept cars and design studies with little or no intention of actually using the theme presented. Mazda's approach is the opposite: all of the Nagare concepts, including Furai, help evolve this evocative surface language for future use. Nagare is how this celebration of motion will be portrayed on interior and exterior surfaces in future models. Instead of form following function, the two merge as one.

However, Mazda neither intends to race Furai, nor is it a supercar the company plans to build and sell in the near future. Rather, Furai is a design study that lives between those extremes. Without the restrictions imposed by serial production models, and with the freedom of an autoshow environment, Mazda is using the opportunity to evolve the company's Nagare design theme one more step closer to reality.

Instead of mimicking racecar components and design elements in a road car - the strategy preferred by supercar manufacturers - the 'Mazda way' was to begin this project with the real McCoy: a Courage C65 chassis that earned its stripes during two seasons of LMP-2 endurance racing in the American Le Mans Series (ALMS). This sports car was successfully campaigned under the MAZDASPEED Motorsports Development banner by B-K Motorsports during the 2005 and 2006 seasons. Drivers Jamie Bach, Guy Cosmo, Elliott Forbes-Robinson, and Raphael Matos piloted the car to one victory and a total of nine podium finishes in 15 ALMS events. B-K finished third in championship standings both years; while Bach and Cosmo were co-Rookies of the Year in 2005 after their first season of ALMS racing.

"Anticipating future rules changes in the ALMS, we created a new closed cockpit which would be more appropriate for a future production model," said von Holzhausen. "The major element we did not change is the 450-horsepower RENESIS-based R20B three-rotor rotary engine that provides the Furai's ample Zoom-Zoom. The ultimate Mazda in our minds is rotary powered; as a company, we have no intention of abandoning that valuable asset. When people think of the very best production sports cars in the world, the rotary powered Mazda RX-7 is always on that list."

The Furai concept serves as a turning point in the Nagare developmental process. While the four previous concept cars explored different ways to express Mazda's emerging design philosophy and to explore an aesthetic, this one is all about function - every last texture and detail serves some functional purpose. In essence, the Furai creative process boiled down to guiding air over and through the body in fruitful ways. To prove that this concept goes far beyond static aerodynamic analysis, Mazda's design, motorsports and R&D teams worked together to construct Furai as a 180 mph rolling laboratory to demonstrate its functional capabilities on demand.

The Mazda design and R&D teams worked closely with Swift Engineering to refine the aerodynamic characteristics, assuring that Furai remains glued to the ground at high speeds. Through its existing relationship with Swift Engineering, forged through development of the Mazda/Cosworth-powered Champ Car Atlantic single-seater chassis, the team used complex Computational Fluid Dynamics (CFD) software to tune various Nagare design elements to function at a high degree of efficiency. Drag, downforce, lift and overall aesthetics were all key considerations.

Sourced straight from the race track, the Courage carbon-composite tub is essentially intact under the new Furai body, including the right-side driver's seat. Instead of the stark interior typical of race cars though, this cockpit is finished with more comfortable but still highly functional surfaces. An electronic display screen and gear-change shift paddles are built into the steering wheel.

In the chassis' original racing configuration, the passenger seat is filled with electronic gear, so those components were relocated elsewhere to provide adequate space for two occupants. The greenhouse is somewhat wider than the original cockpit to provide adequate head and shoulder room and adequate visibility. Doors attached with butterfly hinges provide a very efficient means of entering the cockpit. In this instance, the design team followed an approach that has proven very effective during years of endurance racing.

"One thing we learned from CFD studies is that we don't need much rear wing to balance the down force created by the front splitter and the Nagare features we've sculpted into the body," observed von Holzhausen. "Combustion air is provided by a variation of the Turbo Tongue device that Swift developed for Indy car use a decade ago. It rises slightly higher than the surrounding roof surface to ingest clean air above the boundary layer. Our final design works so well that we applied for a joint patent with Swift. Of course, it helps that it's a real piece of art, too, and one we had to incorporate into the design."

The Irvine, California-based Aria Group was responsible for creating new composite panels and they worked hand-in-hand with Mazda North American Operations' own in-house fabrication team to mate them to the Courage chassis. The dark matte finish with red and orange accents harkens back to the livery worn by Mazda's legendary 787B when it won the Le Mans 24 Hours in 1991, making the company the first - and still only - Japanese company to ever win the endurance classic.

Furai not only probes future design possibilities, it also ventures ahead with an alternative fuel. Consistent with the Mazda's recently announced 'Sustainable Zoom-Zoom' initiatives, the Furai's three-rotor powerplant has been tuned to run powerfully on 100-percent ethanol (ethyl alcohol) and ethanol/gasoline blends. There are exciting advances being made in renewable fuels, from current blends like E10 (10% ethanol/90% gasoline) with research ongoing into making ethanol from cellulostic materials, to future renewable gasoline components like Butanol - a 'higher order' alcohol which is fungible with gasoline.

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  Article Image gallery (20) Specifications User Comments (3)