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Patent application suggests Mazda rotary return

A recent patent application by Mazda reveals that the Japanese automaker is still working on the rotary engine. This could in fact be the Skyactiv-R engine found in the RX-Vision concept from the 2015 Tokyo Motor Show. As with anything Wankel-related, nothing is certain until Mazda makes a production commitment. But this filing suggests that serious development is happening in Hiroshima. The 2011 Mazda RX-8 was the last rotary-powered car you could buy in America. Slow sales, poor fuel economy, and tighter emissions standards prevented Mazda from committing to a follow-up. But the fundamental principles of the rotary - compact size and light weight - perfectly fit Mazda's Skyactiv ethos. (For an explanation of how rotaries work, click here.) In this new engine the intake port sits at the bottom of the engine with the exhaust port on top instead of the other way around. That allows for lower mounting, which improves a car's center of gravity. This rotary is also turbocharged. Putting the turbo up high helps ensure it doesn't get in the way of any body or chassis crossmembers. The implication of those claims is that somebody is thinking about how to put this engine in a car. There are other benefits as well. The short path from the exhaust port to the turbo ensures minimal turbo lag. It also allows for a close-mounted catalyst on top of the enigne, which will help emissions. Another innovation in this new engine is a triangle-shaped rotor that covers part of the exhaust port. This allows for different exhaust flow characteristics. The filing claims that that two of the four orientations allow for less airflow resistance in the exhaust port. As in previous Mazda rotaries, there are two spark plugs to manage ignition timing and combustion. But unlike in the 16X concept, Mazda's last public display of such an engine, the new rotary uses port fuel injection. Keep in mind this is only a patent application. A Mazda spokesperson refused to comment on future product, but commented "As we stated at the Tokyo motor show, Mazda is doing all that it can to bring a rotary to the market." In the meantime, keep your RX-7 prayer candles lit and hope for the return of the rotary before the end of the decade. You can bide your time by reading the entire application here. Related Video: Related Gallery Mazda RX-Vision Concept: Tokyo 2015 View 11 Photos News Source: USPTO via autoevolution Rumormill Mazda Performance rotary mazda rx7

Mazda2 with extended-range hybrid rotary tech shown

Every story dealing with a new rotary engine from Mazda lands in a different place on the matrix of possibilities between "Coming soon!" and "Never gonna happen!" In 2011 it was speculated that the rotary engineering program would be shut down with the demise of the RX-8, in 2012 the program was still alive and taking lessons from the SkyActiv engines, in August 2013 a Mazda insider said a rotary engine called 16X would be here in two years, in November the CEO said the only way we'd ever get a new rotary is if Mazda could sell 100,000 of them per year. Meaning that, for the moment, you can forget about it.
And yet, last month Mazda was putting journalists in a Mazda2 RE Range Extender, an electric car using a 0.33-liter rotary to power its lithium-ion batteries when the charge runs down. With a 75-kilowatt, 100-horsepower electric motor turning the front wheels, the Wankel generator and its 2.6-gallon gas tank living under the trunk double the range of the electric-only Mazda2 to 250 miles.
There's been talk of using a rotary to assist an alt-fuel vehicle for at least seven years, with Mazda pairing an electric motor with a rotary that ran on gas and hydrogen in a Mazda5 in 2007. Since then, almost all of those stories debating its return or demise also spoke of the oddball motor's advantages, such as compact size and ability to run on various fuels, as an aid in an unconventional powertrain.

Why a production Mazda Koeru won't be a Subaru Outback clone

No automaker has had a hit quite like the Outback Many have entered, few have won. The Subaru Outback is one of those automotive bogeys that competitors seek to imitate but never quite capture. Mazda is poised to change that, its CEO tells Automotive News, with a production version of the Koeru concept. We're torn on whether this attempt will be the one to do it, whether the proposed model is truly aimed at the Outback, or whether it's just another pale imitation destined for failure. While the ingredients are pretty basic – wagon-like shape, extra cladding, a smidge more ground clearance than a regular car – no automaker has had a hit quite like the Outback. Reasons include packaging issues, poor brand fit, and Subaru's seemingly unstoppable momentum in building all-wheel-drive archetypes. That hasn't stopped a bunch of companies from trying. And now for a list: Ford attempted with the Freestyle/Taurus X; note that that model no longer exists, having been replaced de facto by the Flex and the newly crossover-ified Explorer. Audi discontinued the A4 Avant and slapped the Allroad badge and some fender flares on to capture the affluent outdoorsy crowd, initially selling well but now down 40 percent since last year. The humpback Honda (Accord) Crosstour and Toyota Venza could also be considered Outback-apers, as both short-lived models took sedan bodies and added a hatch and optional all-wheel drive. Dodge got into this space a few years back with the Journey Crossroad trim level, but fake brush guards and black wheels do not an Outback make. Volvo has perhaps come closest with the XC70, a not-quite-crossover that it nevertheless brands like its other crossovers. It helps that the Volvo die-hard and the repeat Subaru buyer aren't too different. Most of these models no longer exist, and the ones that do haven't sold as well as Subaru's Outback so far this year. Even if you're generous and add all 96,718 Journey sales (and not just those for the Crossroad, which FCA doesn't break out separately) to V70/XC70, Venza, and Crosstour, it still doesn't equal the 136,227 Outbacks Subaru pushed through November of 2015. And, as Automotive News points out, Mazda hasn't sold that many crossovers so far this year (the number is 129,932 thanks to huge CX-5 numbers). So why is Mazda considering going after the hallowed Outback? First off, we're not sure that it is because there's the question of what tiny niche this vehicle would occupy. "It's a totally new car.