The New Mazda Sports Car
The New Mazda Sports Car – The return of the Mazda RX-7 sports car is one step closer with the introduction of a modern rotary engine hybrid concept in Tokyo. However, plans for a showroom version are unclear.
Mazda is one step closer to reviving its iconic rotary engine sports car, the Mazda RX-7, with the introduction of the Iconic SP, a hybrid coupe that uses the rotary engine as a generator to power electric motors.
The New Mazda Sports Car
Unveiled this morning at the Tokyo Motor Show, the Iconic SP is an evolution of the Vision Study concept that was digitally revealed last year and is said to be a preview of Mazda’s “next generation” of sports cars.
The Mazda Iconic Sp Is A Hybrid Rotary Powered Sports Car Concept
Plans for a production version are vague. Mazda has long expressed interest in reviving the RX-7 (2015’s much-hyped RX-Vision concept), but has put that aside in favor of producing a range of hybrid and electric vehicles.
Like the old RX-7, it is powered by a twin-rotor gasoline engine. But instead of using the motor to drive the wheels directly, the rotary motor is used as a generator to charge the battery pack. It powers the electric motors attached to the wheels.
The output power is 272 kW. That’s the equivalent of two Mazda MX-5s, which claim 135kW/205Nm from the 2.0-litre four-cylinder petrol engine.
In addition, when the battery is charged with electricity from renewable energies, it can be practically carbon neutral,” he said in a media statement.
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It is not known whether this concept will be four-wheel drive or rear-wheel drive. Mazda recently unveiled a design for a rotary-powered sports car with two electric motors that send gasoline power to the rear wheels and drive the front axle.
The Iconic SP is 4180 mm long, 1850 mm wide and 1150 mm high, with a wheelbase of 2590 mm. Almost 100mm shorter bumper to bumper and 200mm shorter than the Toyota GR86. But it has a base that is 75mm wide and 15mm high.
The design is low and sleek. There are pop-up LED headlights that keep the hood line low, and there’s a new purple-red color that’s said to “create a sense of shadow that accentuates the car’s shape.”
Alex Misouiannis has been writing about cars since 2017, when he founded his website Redline. He became a contributor in 2018 before joining CarAdvice in 2019 and becoming an associate journalist in the news team in 2020. Cars have played a central role throughout Alex’s life, from flipping through car magazines at a young age to growing up with vehicles. In a car-loving family. The appeal of electric vehicles has grown exponentially over the past decade. Time will tell if this is the auto industry’s “perfect solution” to fossil fuel, pollution and renewable energy issues. Despite all the talk about electrifying our cars, this technology comes at a cost. Technological advancements and advancements are being made to overcome the disadvantages of electric cars at an increasing rate, and oft-heard issues like range and weight are becoming a thing of the past. It’s also a welcome step forward that electric cars are no longer boring, oddly shaped cars. Designers got to work and created absolutely beautiful electric cars like Pininfarina Battista or Porsche Taycan. One of the latest exciting electric concept cars to come out is the iconic Mazda SP, which combines a unique engine with a rotary range extender.
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We are now very used to hybrid cars, a type of vehicle that combines two or more different types of power (thanks Toyota Prius!). So is the Mazda Iconic SP, but design-wise, the two couldn’t be more different. To increase its range, it combines an electric motor with two rotary Wankel engines. But before we get into the details of the Iconic SP, it might be worth explaining a bit what exactly a Wankel or rotary engine is. And as Mazda claims, the technology can be pretty cool!
The operation of a rotary engine is different from other internal combustion engines. A Wankel or rotary engine does not have traditional pistons or cylinders, instead it has a triangular rotor with Apex seals at each end and sits in a figure 8 firing chamber. The technology was developed by German engineer Felix Wankel, who developed the concept in the 1920s. It took several years to fit this type of engine into a car. The first rotary engine car went on sale in 1964, followed by the Mazda in 1968.
The rotary engine has many advantages over traditional internal combustion engines, but it also has disadvantages. To start with the positives, a rotary engine has a higher power-to-weight ratio, is smaller in size, can achieve higher engine speeds than similar piston engines, has virtually no vibration, is cheaper to build due to fewer moving parts. And it’s cheaper than a conventional piston engine, which produces about two-thirds of the torque in the engine’s combustion process instead of one-quarter. Disadvantages are variable engine temperatures, which cause different expansion ratios in different parts of the combustion chamber, and problems with removing Apex seals at low rpm. This is about as technical as we can get, but see here for more details.
Mazda was a true pioneer of rotary engine power, developing it since the 1960s. The first Mazda rotary engine was the Cosmo L10B, released in 1968. This majestic two-door coupe is often considered one of the most beautiful Japanese cars ever built, alongside the likes of the Toyota 2000 GT. Although the Cosmo name stuck around for a long time, none of the subsequent Cosmo marques matched the style and elegance of the original.
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Mazda’s pioneering efforts around the rotary engine culminated in victory at the 1991 24 Hours of Le Mans with the legendary 787B (see above). This was the first victory in the history of the Japanese manufacturer. The prototype Mazda 787B Group C race car used a naturally aspirated 2.6-liter four-rotor engine that produced 900 horsepower. Thanks to the extensive use of carbon fiber and Kevlar, this car was incredibly fast with a weight of only 830 kg. Naturally, the high-revving engine produced a loud hum at high speeds. Johnny Herbert, Bernard Gaschot and Welker Vidler surprisingly took victory in the 1991 endurance race against strong competition from the Porsche 962C, Mercedes Sauber C11, Jaguar XJR-14 and Peugeot 905. It wears the green and orange colours. Since then it has become an absolutely legendary car.
The RX-7 is Mazda’s most famous rotary-powered road car. Introduced in 1978 and in production until 2002, this car is one of the most popular Japanese-made cars. This two-door hatchback sports car had a three-rotor rotary engine in the front that sent traction to the rear wheels. One feature of the RX-7 was the pop-up headlights, which remained until the last series was discontinued in 2002. The RX-7 was eventually replaced by the RX-8, which featured a half-size “suicide” rear end. More modern and sharp doors and features. It remained in production until 2012, ending Mazda’s line of rotary-powered cars. This year, the brand introduced a rotary engine as a generator (range extender) for the MX-30 e-Skyactiv R-EV.
Now that the history of Mazda and the rotary engine is out of the way, let’s take a look at the Iconic SP concept car. This model was announced last year as a “Working Vision” model, but has never been officially unveiled until now. The car was officially unveiled at the Tokyo Motor Show and hints not only at the possible future of the compact EV sports car, but also at the rotary technology that Mazda is so fond of. While you’d expect something with the size and proportions of the brand’s iconic MX-5 (or Miata in the US), it’s actually quite large.
The Iconic SP has a 4.18m long, 1.85m wide and 1.15m tall frame, making it longer and wider than the MX-5, but surprisingly a touch lower. There are kilometers of weight difference between the two. The reason for this is the electric motors and the battery pack. The MX-5 is known for its relatively light weight of 1,110 kg compared to the Iconic SP’s 1,470 kg. This is still very good for sports EVs, as weight is the biggest weakness of limited-range EVs. About weight
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Mazda’s other trump card is the MX-5, which promised the same 50-50 handling characteristics as a concept since its introduction in 1989.
Beneath the bright purple-red exterior you’ll find a rather unusual powertrain, which will be explained in more detail. Mazda has further developed the MX-30 e-Skyactiv R-EV concept by adding a second rotor, a rotary range enhancer. this
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