Taiki Rotary Sportscar Concept to be unveiled at Tokyo Auto Show

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a Mulligan
Just released from Mazda press room (edited to contain only information about the Taiki concept):
The all-new Mazda Atenza - soon to be introduced in Japan, the Mazda Taiki concept car, equipped with a next-generation rotary engine, the new Mazda Premacy Hydrogen RE Hybrid, a series of future-oriented powertrains, and a variety of environmental and safety technologies will be revealed by Mazda Motor Corporation (Mazda) at the 40th Tokyo Motor Show*1 in October 2007.
Mazda Taiki continues the evolution of the Nagare design theme, following in the footsteps of the Mazda Nagare, Mazda Ryuga, and Mazda Hakaze concept vehicles. As the fourth in the series, Mazda Taiki further advances and refines the theme through a fusion of the Nagare (flow) design concept and real-world technologies, such as a next-generation rotary engine and enhanced aerodynamic performance. Mazda Taiki sets a new ideal for the front-engine rear-drive sports car of the future.

Mazda Taiki
Mazda Taiki reflects one possible direction for a future generation of Mazda sports cars aimed at helping create a sustainable society. The fourth concept car in the Nagare design series, Mazda Taiki further evolves the flow theme to establish a breathtaking presence that clearly distinguishes it as the next in the series, and which visually expresses the atmosphere called taiki in Japanese that wraps the Earth in its protective mantle. The basic proportions begin with the stretched coupe form of a front-engine rear-wheel-drive layout, the short overhangs, and the liberating feel of an all-glass canopy. The challenge to create a design that visually expresses the flow of air was inspired by the image of a pair of Hagoromo the flowing robes that enable a celestial maiden to fly in Japanese legend floating down from the sky. Inspired by Japanese koinobori the decorative climbing carp streamers the notion of creating an Air-tube became the concept word for the interior design. In accordance, from the dashboard and seats down to the door trim, the interior space creates the dynamic sensation that the flow of the wind is being visually depicted. Centering around the performance rotary engine sports packaging that is synonymous with the Mazda name, technologies introduced for the Mazda Taiki include the next-generation RENESIS (rotary engine 16X), which sets new standards for environmental and driving performance, a front-engine rear-drive layout, a unique 2-seat configuration, and Mazdas rotary sports package, which conveys an image of lightness. The effect integrates the design theme perfectly to realize outstanding aerodynamic performance.

and then a bit more info on the next-gen RENESIS engine:
Next Generation RENESIS (Rotary Engine 16X)
In developing the next-generation RENESIS, Mazda made a thoroughgoing revision of engine dimensions including the trochoid rotor housing, adopting a longer stroke and larger displacement of 1600cc (800cc x 2) aimed to raise thermal efficiency and boost torque at all engine speeds. By employing the Hydrogen RE design policy of a direct injection system and aluminum side housing, as well as various other measures, we are further promoting the rotary engines merits of light weight and compact size.

see attached for teaser pics of the Taiki concept :)
 

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Well the Taiki concept is simply creative exploration like the others. As for the RENESIS.....can't wait to see the numbers still.
 
In developing the next-generation RENESIS, Mazda made a thoroughgoing revision of engine dimensions including the trochoid rotor housing, adopting a longer stroke and larger displacement of 1600cc (800cc x 2) aimed to raise thermal efficiency and boost torque at all engine speeds.

How
exactly do you lengthen the stroke of a rotary engine?
 
Sweet looking... some of the components seem a little unrealistic as far as everyday work... like changing a flat?!?!
 
pretty wild.. looks like a prowler and a kabura exploded and regenerated as one.
 
Sweet looking... some of the components seem a little unrealistic as far as everyday work... like changing a flat?!?!

I'll repeat from my post above. The Taiki concept is simply creative exploration like the others. As most concepts are, only parts/elements of the design make it into actual production.
 
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