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Fiat reconsidering Mazda-based Alfa Romeo roadster? [w/poll]
Mon, 03 Mar 2014Alfa giveth and Alfa taketh away. With apologies to Job (he has gone through a lot, after all), that's how things are looking at the Italian automaker - whether it's the promise of new products or its impending return to the North American market. But it's especially true when it comes to new roadsters.
While Alfa Romeo is expected to unveil the 4C Spider at the Geneva Motor Show this week, reports are now suggesting that its other roadster project is being called into question. That project is a joint venture between Fiat and Mazda, which was set to produce a version of its next MX-5 Miata as an Alfa Romeo, and was even changing the design to accommodate Alfa's requirements.
Now it appears, however, that the whole project in doubt. The problem seems to stem from Sergio Marchionne's pronouncements that, as long as he's in charge, there won't be an Alfa Romeo built outside of Italy.
Patent application suggests Mazda rotary return
Mon, Apr 4 2016A 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
2016 Mazda MX-5 Miata a knight in white satin
Wed, 19 Nov 2014We're not going to lie to you. The reason you're seeing the fourth-generation Mazda MX-5 Miata on these pages again is solely because this is the first time we're seeing the roadster displayed in a color other than the ruby shade it was first shown in. Okay, okay, so this is the first time the Miata is being displayed at a North American auto show other than SEMA, and we'd say that this is the first time Mazda is showing a US-spec model, but clearly this is a right-hand-drive car. Either way, there's still not much to it yet, especially since Mazda is still withholding power and performance figures.
As expected, the ND Miata, as it is already known among the cognoscenti, will receive a 2.0-liter Skyactiv four-cylinder and the buyer's choice of a six-speed manual or a six-speed automatic here in the US. The 1.5-liter model engine that had been linked to the car back in the rumormill stage will not make it to our showrooms.
Preliminary specifications still show the Miata measuring just 154.1 inches in length overall, with an increased track width to 68.1 inches and a low, low overall height of 49.0 inches. Despite the larger-displacement engine and its presumably heavier weight, Mazda is still claiming ideal 50:50 weight distribution and a weight loss of over 220 pounds versus today's NC generation. All of which sounds like the Miata has the right ingredients to make good on its promised Jinba Ittai ("rider and horse as one") driving experience.