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Watch what happens inside a rotary engine

Since it looks like Mazda may very well revive the Wankel rotary engine as a range extender for electric cars, there's no better time to become reacquainted with the quirky internal-combustion engine. And there's hardly a better way to become reacquainted than by peering into a running rotary engine, which you can do with the video above. The video comes to us from the YouTube channel Warped Perception. The channel has already shown what happens inside a conventional internal-combustion piston engine by putting a clear cylinder head on top of a flathead engine. This new video shows off the rotary engine by adding a clear side to a tiny model-airplane engine, something that we weren't aware existed and are glad to know about now. Despite the tiny size, the engine is functionally almost exactly like the bigger versions you'll find in Mazdas from about 1967 to 2012. It has intake and exhaust ports on the edges of the rotor housing, and the triangular rotor swings about in a peanut-shaped housing. For maximum effect, jump to right around the 7:40 timestamp. This is the point at which a bit of acetylene is added to the air-fuel mix for a brighter flame. It's at this point that you can really see when the mixture combusts and how the pressure of the flame pushes the rotor to produce rotational motion. Each stage of the video does slow things down to make everything as clear as possible. Even if you already knew how rotary engines worked, it's still fascinating to watch, first because it's something you don't get to see usually, and also because of the engine's elegant simplicity. Related Video: Image Credit: YouTube / Warped Perception Weird Car News Mazda Technology Videos rotary rotary engine

Mazda boss says no to new-generation Mazda3 hot hatch

Mazda offered a hot, turbocharged version of the Mazda3 model during the car's first two generations, badging it either the MPS or the Mazdaspeed 3 depending on the market. The third generation car didn't get a hot-hatch variant, and now Mazda is saying there won't be one for the freshly revealed fourth-gen car, either. Mazda's new global boss, Akira Marumoto, told Australian motor journalists at the Los Angeles show that there won't be an MPS in the cards. As Drive quotes Marumoto: "Mazda is a small player, and if [you are asking whether] that segment has a high particular priority for Mazda, my answer would be no. Therefore we not planning for MPS in the future." Marumoto stated that Mazda would rather establish itself as a genuine premium carmaker comparable to its European rivals, stressing that this would be achievable through quality, comfort and refinement improvements in the existing lineup rather than expanding into other segments. As well as nixing the Mazda3 MPS, Marumoto also said that despite repeated queries, the function of the 2015 Tokyo Motor Show car RX Vision was to preview the evolution of the Kodo design language and not to herald the arrival of a new rotary sportscar. So, it's time to cue the Mazda Kills Rotary Sports Car Again headlines. Marumoto also told journalists that there won't be an EV sports car or a completely driverless car from Mazda either: He said he prefers the smell of gasoline to full electric power, and that Mazda will never build a car without a steering wheel. For Mazda, autonomous capabilities would serve to bring the car to a safe halt in the case of an incapacitated driver, instead of doing the driving. However — and there is a strong "however" — Mazda did tell us that the turbocharged 2.5-liter engine does fit into the new 3. Mazda representatives said that the header on the naturally aspirated version is big enough as it is, making it easy to shoehorn in the 250-horsepower turbo version without issue. They also said that the company is closely monitoring buyer demand, which originally led to the turbo being available on the Mazda6 and CX-5, along with justifying the introduction of all-wheel-drive in the new Mazda3. So: if there is a case for it, the turbo might come — just don't call it a Mazdaspeed 3, or view it as an overt hot hatch. But the shoe fits.

2018 Mazda MX-5 Miata finally has a great pair of seats

We all know the 2018 Mazda MX-5 Miata is a truly wonderful car. It takes everything delightful about cars and driving and distills it into a compact and lightweight package. It's a car anyone can enjoy. My wife, who until recently has shown no real interest in sports cars beyond their design, wants one. I want one, too, but I couldn't get past the Miata's terrible seats. For 2018, there's finally an alternative. The 2018 Miata got a number of minor updates. Most people I know were fawning over the new cherry-red top, but I was far more interested in the leather-wrapped Recaro seats. These are now included in the $3,770 Brembo/BBS package. Previously, that package just added a set of two-piston Brembo front brakes and black BBS wheels. Having put thousands and thousands of miles on various NDs, I didn't think it was really a worthwhile option unless you were planning to track the car regularly. These seats have changed my tune. The standard seats in the Miata are bad when new and get progressively worse as they break in. I'm a big guy (6-feet tall and about 220 lbs.), but I know I'm not alone in the assessment. They're thin, unsupportive and wrapped in some cheap fabric. Just look at this photo from our old long-termer. The seats kill any real desire to own one. These Recaros are different. Yes they're still thin, but they have bolstering and padding in all the right places. I no longer feel like I'm riding along on a cheap, worn-out couch. Plus, they're heated (though you can now get heated cloth seats), making the brisk Michigan-morning commute far more comfortable. Now all the Miata needs is a slight bump in power. Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. Design/Style Mazda Convertible Performance