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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

Did Mazda designer Derek Jenkins leave to head up a 'Stealth Project?'

Not long after Derek Jenkins officially gave the 2016 MX-5 Miata to the buying world, he's left the Mazda building. Jalopnik reported that the head of design for Mazda North America changed the current job description on his LinkedIn profile to "Stealth Project." Mazda backed up the discovery with this reply to Jalop's inquiry: Derek left Mazda last Friday. He left on great terms in order to work on a new endeavor. We wish him the best of luck. He will be missed, but we are sure that he will do great things in the next chapter of his career. That "last Friday" would be July 17. Emphasizing the "stealth" bit in his new position, as far as we can tell, Jenkins still hasn't publicly answered any question about what he's doing. Every automaker has secrets, but traditional automakers usually make a hubbub about hiring big-name designers, especially one with Jenkins' resume. For his new employer to go all Ghost Recon with all information, well that's the kind of mystery this summer needs. The obvious culprit would be a certain fruit-named company in a certain Cupertino, CA office park. If that ends up being the case, Jenkins would be the second chief designer at Mazda NA to go electric: he replaced Franz von Holzhausen in the position after von Holzhausen went to Tesla. Various other Apple Project Titan hires have made the news, though. For all we know, Jenkins' project might not be automotive. So let's just go ahead and cue the speculation. We're looking forward to whatever he's got coming, and to whoever gets nominated to keep the full head of Zoom-Zoom going at Mazda NA.

Mazda announces live-streaming vehicle intro on Xbox

In April, Mazda introduced a marketing campaign titled "Game Changers" to showcase how certain people have made significant impacts in their respective sports, and now it's the Japanese automaker that is changing the game by creating an innovative way to launch a new product. Mazda is teaming up with Xbox to offer a first-of-its-kind live-streaming global debut of a new product. Mazda didn't say which model will be debuted, but our guess is that it will be the next-generation Mazda3.
The actual reveal will take place at 9 pm on June 26 during a live concert from the band Metric in New York City, but there will be other live events preceding the concert in Melbourne, St. Petersburg, Istanbul and London. Mazda will be promoting the event on social media using the hashtag #GameChanger, and there is also a contest on Xbox where one winner will receive $2,500 to attend a music event of their choice. Scroll down for the full details of the contest and vehicle debut event.