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Old 09-29-2009, 04:20 AM   #1
AVANTI R5
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Default Mazda Previews SKY Family Of Next-Generation Engines


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Mazda will showcase at next month’s 2009 Tokyo Motor Show its next-generation of powertrain technologies, which include two new engines and an advanced automatic transmission. Grouped under the ‘SKY’ family of technologies, Mazda will be showing the new SKY-G direct injection gasoline engine, SKY-D clean diesel engine, and SKY Drive high-efficiency automatic transmission.

The new technologies are part of Mazda’s greater goal of improving its average fuel economy of vehicles 30% by 2015 compared to 2008 levels. Mazda is committed to significantly improving the core aspects of its vehicles that affect performance--engines, transmissions, and lighter vehicle weight--in order to achieve fuel economy gains without hurting the ‘Zoom-Zoom’ philosophy.



The new engines and transmissions are due to be introduced from 2011 onward.

First up is the SKY-G, a direct injection gasoline engine with significantly improved fuel economy and output performance due to enhanced thermal efficiency. The engine block is newly designed to reduce mechanical friction and achieve an optimal air-fuel mix, and is further improved with direct injection.

Specifically, fuel economy and torque are improved by approximately 15% compared to Mazda’s current 2.0-liter engine. This was achieved by adopting new fuel injectors and more efficient valve timing. The engine enables fuel economy equivalent to the compact Mazda2 to be achieved in a vehicle the size of a Mazda3.

Next is the SKY-D clean diesel engine, which boasts high fuel economy and output performance as well as low exhaust emissions. The newly designed engine block reduces mechanical friction to the level of a gasoline engine.

By employing piezo injectors, a two-stage turbocharger and other technologies, fuel economy becomes approximately 20% better than the company’s current 2.2-liter diesel engine. Mazda has achieved fuel economy equivalent to the current Mazda2 in a vehicle the size of a Mazda6 with this engine.

Finally, there is the new SKY-Drive automatic transmission. It improves fuel economy by approximately 5%, due to a complete redesign that significantly reduces mechanical friction, a revised torque converter and clutch with minimized slip, and an optimized lock-up mechanism. A rapid clutch action was achieved by identifying the minimum amount of fluid necessary, making shifts feel almost like a dual clutch transmission.

Also on show in Tokyo will be Mazda’s Kiyora minicar concept, first seen at last year’s Paris Auto Show. The Kiyora is a preview of Mazda’s next-generation minicar and promises a fuel economy of 75 mpg. Click here for a more detailed report.
http://www.motorauthority.com/blog/1...ration-engines
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Old 09-29-2009, 08:23 AM   #2
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GO MAZDA!
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Old 09-29-2009, 08:32 AM   #3
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The Mazda SKY-D engine reduces mechanical friction to the level of a petrol engine. By employing piezo injectors, a two-stage turbocharger and other technologies, fuel economy becomes around 20 per cent better than the current 2.2-litre diesel engine. This equates to fuel economy of the Mazda 2 being achieved in the Mazda 6.

The Mazda Kiyora concept car was first seen at the Paris motor show last year and it will be seen for the first time in Japan next month. It runs on Mazda’s SKY-G engine mated to the SKY-Drive ‘box and can return around 90mpg. It achieves this by using lightweight materials, improved aerodynamics and Mazda’s i-stop stop/start system.












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Old 09-29-2009, 09:25 AM   #4
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Maybe it's just the pictures, but those look like very compact designs, and that's always a good thing.
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Old 09-08-2010, 09:02 AM   #5
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Default Future products: Mazda's new direct-injection engine family arrives in 2011 Read mor



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The big news at Mazda is a new family of direct-injection gasoline and diesel engines that will start to arrive in 2011.
Mazda will make significant changes to vehicle platforms to accommodate the Sky engines, which will be more powerful and fuel-efficient at lower displacements than the company's current engines.

The first Sky gasoline engine is expected to debut in the United States in 2011. A direct-injection Sky diesel is to appear in 2012.

Mazda won't say which vehicles will get the Sky powertrains first, but the entire lineup will have the updated powertrains by the 2014 or 2015 model year, a source said.

Mazda2: The smallest vehicle in the company's lineup debuted here this summer. The small 2011 five-door hatchback is powered by a 1.5-liter four-cylinder engine that produces about 100 hp and gets more than 30 mpg on the highway and about 28 mpg in city driving.

Mazda3: After a redesign for the 2010 model year, Mazda's highest-volume model is scheduled for a freshening in 2013. It will get a Sky direct-injection engine, but the timing is uncertain.

RX-8: Questions about the future of the rotary-engine sports car have been rumbling for months, and there are hints that Mazda may kill it. Don't count on it.

While no changes are planned for the 2011 RX-8, updates are in the works for a 2012 model to bridge the gap until a successor is ready for production, a source said.

Mazda's next-generation RX-8 is at least one model year behind schedule because of problems in developing a new 1.6-liter rotary engine, called the 16X. The 16X, Mazda's first rotary developed from scratch in nearly 20 years, isn't hitting emission reduction targets. The global financial crisis forced the company to shift priority to the Sky range of gasoline and diesel engines, needed to meet more stringent fuel economy requirements.

So don't expect a redesigned RX-8 until at least the 2014 model year.

Mazda5: The redesigned 2012 small minivan goes on sale in January featuring Mazda's Nagare design language. The new Mazda5 also will have an updated interior and a more fuel-efficient engine.

Mazda6: For the 2011 model year, the mid-sized Camry-fighter got new headlights, 17-inch alloy wheels, seat materials, interior trim and additional technology. A redesign, with at least one of the new Sky engines, is scheduled for the 2013 model year.

MX-5: The roadster is due for a freshening for the 2012 model year but likely won't get the Sky gasoline engine until later. A rumored 2012 redesign won't happen, a source said.

CX-5: The successor to the Mazda Tribute will complete the company's lineup of CX crossovers in 2012 or 2013. The Tribute shares a platform with the Ford Escape. The CX-5 will be based on a Mazda platform.

CX7: The mid-sized crossover will be offered in a new iTouring trim level for the 2011 model year. The CX7 is expected to be equipped with a gasoline or diesel Sky engine when it is redesigned for the 2013 model year.

CX9: Mazda's largest crossover is due for a redesign in the 2013 model year.


Read more: http://www.autoweek.com/article/2010...#ixzz0ywEUUjcG
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Old 09-08-2010, 09:38 AM   #6
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I wonder how these will compare to the LS series engines.


.....
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Old 09-08-2010, 09:46 AM   #7
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Originally Posted by Tgui View Post
I wonder how these will compare to the LS series engines.


.....
The GM LS series?!?!
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Old 09-08-2010, 09:48 AM   #8
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The GM LS series?!?!
Inside joke.
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Old 09-08-2010, 09:55 AM   #9
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glad Mazda is doing this.... so DI will be available even on their econo cars. Hopefully that leads to more/quicker changes to the industry.
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Old 09-08-2010, 01:10 PM   #10
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Only a matter of time until DI is a commodity amongst consumer auto motors, kind of like how those things called carburetors were replaced by fuel injection.
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Old 09-08-2010, 02:35 PM   #11
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<------- Dreaming of a Mazdaspeed2 with a DI/turbo'd 1.4-ish engine. *sigh* If only. Or perhaps an improved MS3. I'd bet the new 'speed3 coming in 2013/2014 is going to be sick.
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Old 09-08-2010, 03:50 PM   #12
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Kind of strange in this economy to see Mazda still dumping money into an engine (rotary) that nobody wants.
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Old 09-08-2010, 05:03 PM   #13
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Also strange to see them develop a brand new Automatic transmission with torque converter just when I thought torque converters were finally getting replaced by dual clutch transmissions. I was looking forward to an MS3 with a DCT.
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Old 09-08-2010, 09:09 PM   #14
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Originally Posted by heavyD View Post
Kind of strange in this economy to see Mazda still dumping money into an engine (rotary) that nobody wants.

I wouldn't say nobody wants a rotary engine in general, but few want the current iteration anymore because it is far behind the competition now. Mazda has sold over 184 thousand Rx-8's worldwide though. That's not bad for such a niche product. If they can produce a reliable engine with better fuel economy and more torque there will be a market.

http://www.topspeed.com/cars/car-new...0-ar96197.html

Latest reports indicate that the Sky rotary is targeting a 50% reduction in fuel consumption versus the (admittedly horrible by today's standards) fuel economy of the Rx-8 Renesis engine. That will most likely put it in line with say a new 5.0 Ford V8: city mileage in the low to mid 20s, highway around 30. That's better than the current turbo boxers (although I have no doubt that Subaru will improve fuel economy too) and most people will be able to put up with it.
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Old 09-09-2010, 10:45 AM   #15
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Originally Posted by kukabuka View Post
Also strange to see them develop a brand new Automatic transmission with torque converter just when I thought torque converters were finally getting replaced by dual clutch transmissions. I was looking forward to an MS3 with a DCT.
DCT's are expensive so they aren't yet practical for entry level vehicles. Plus only a small handful of manufacturers make them (Getrag, Borg Warner, & exotics).
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Old 09-09-2010, 10:56 AM   #16
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Is Ford not making a dual clutch gearbox available for the Fiesta? Or am I mistaken?
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Old 09-09-2010, 11:17 AM   #17
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Originally Posted by kukabuka View Post
Also strange to see them develop a brand new Automatic transmission with torque converter just when I thought torque converters were finally getting replaced by dual clutch transmissions. I was looking forward to an MS3 with a DCT.
because you do not like shifting? OR is traffic in your area just getting that bad
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Old 09-11-2010, 03:12 PM   #18
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Originally Posted by jigga View Post
Is Ford not making a dual clutch gearbox available for the Fiesta? Or am I mistaken?
not sure if Ford is the one making the tranny, but it's available on the Fiesta.
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Old 09-11-2010, 04:09 PM   #19
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Originally Posted by heavyD View Post
DCT's are expensive so they aren't yet practical for entry level vehicles. Plus only a small handful of manufacturers make them (Getrag, Borg Warner, & exotics).
Ford Fiesta $13,995. Is that not entry level enough for you?
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Old 09-11-2010, 04:13 PM   #20
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Originally Posted by SCRAPPYDO View Post
because you do not like shifting? OR is traffic in your area just getting that bad
I think DCTs should replace torque converters, not manuals necessarily. Ford plans to almost completely replace autos with DCTs by 2013.

Especially since Ford is a stake holder of Mazda, it surprises me that Mazda would go develop new old tech, that is all.
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Old 09-11-2010, 07:44 PM   #21
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Originally Posted by kukabuka View Post
Ford Fiesta $13,995. Is that not entry level enough for you?
I doubt the $13,995 Fiesta comes with a DCT for that price.

And I think Mazda is hedging their bets with the new automatic transmission in case Ford dumps them. Also, if they can make it more reliable and cheaper than a DCT at a fraction of the price with similar performance, why not?

The only reason Ford hasn't completely divested away from Mazda is because they don't want Volkswagen or FIAT buying them.
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Old 09-11-2010, 08:20 PM   #22
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Originally Posted by kukabuka View Post
Ford Fiesta $13,995. Is that not entry level enough for you?
Well the Fiesta is the only car in that range offering it and considering when you add the powershift transmission the price jumps over 18k the car certainly loses it's place as a bargain.
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Old 09-11-2010, 11:27 PM   #23
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Well the Fiesta is the only car in that range offering it and considering when you add the powershift transmission the price jumps over 18k the car certainly loses it's place as a bargain.
Go to the Fiesta site, build & price. Select the sedan, then the SE. It gives you the choice between the 5M and 6A. Hover over each, and it shows the price. $14,320 for the manual, $15,390 for the Powershift. That's a $1,070 premium for the DCT.

You're probably right Eyeflyistheeye. They can't depend on Ford, so they had to come up with something. Maybe the thing does work well. I've just never driven a conventional auto I didn't hate to death. Still hoping Mazda will borrow the Powershift as an optional tranny for their 3 and 6.
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Old 01-08-2011, 02:33 PM   #24
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Any updates on these?
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Old 01-08-2011, 03:46 PM   #25
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random google search turns up:

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San Antonio, TX (Vocus/PRWEB) January 04, 2011
Now is the best time to stop in and take a look at Mazda’s selection of fuel-efficient vehicles at Ingram Park Mazda, San Antonio area’s premier Mazda dealer. As fuel economy regulations become stricter across the globe, car manufacturers are making the changes that are necessary to meet these standards. With that said, Mazda will launch a new line of 4-cylinder engines called the Sky-G for gasoline and Sky-D for diesel.
A 2.0 liter Sky-G will be launching in 2011 as part of the Mazda 6. The automaker has also signed an agreement to use Toyota’s hybrid technology, for future hybrid vehicles. With the new engine, Mazda was able to dramatically increase their fuel economy ratings. In a Mazda 3 with the Sky engine, it received a rating of 30 mpg in the city and 40 mpg on highways, which is about equal to Volkswagen’s Jetta and Golf diesel cars.
Many different parts and concepts had to be developed for Mazda to make these engines perform. To get more work out of the engine, engineers increased the compression ratio from 11:1 to 14:1 in the 2.0 liter. This causes the engine to overheat, but Mazda developed a long exhaust header that prevents the exhaust gas from going back into the next cylinder’s stroke. The engine uses 0W20 oil.
The current engine will need premium gas to run, but Mazda is developing a US version that will be able to run on regular gas. For them to be able to do this, they had to decrease the engine’s compression ratio to 13:1 instead of 14:1, which means that fuel economy will drop by a few percent.
The Sky-D engine is even more impressive than the gasoline counterpart. Mazda has increased fuel economy by 20% from their current diesel engine and it meets United States emission standards. On the diesel engine, the auto maker had to decrease the compression ratio as opposed to increasing it on the gasoline version. The Sky-D is planned to launch in the US in 2012.
Mazda’s dedication to developing new technology for their vehicles that meet today’s environmental standards is one of the keys to their success. Ingram Park Mazda, the best Mazda dealership in the San Antonio area, currently has the full line of Mazda cars and SUVs. They are committed to providing you with high quality service.
http://www.prweb.com/releases/2011/1/prweb8044160.htm

not a normal car source. maybe that's a 3rd-hand press release or something. Still, a rating of 40 mpg highway is pretty solid for the Mazda 3.
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