Mazda 2 with New 1.3-liter SKYACTIV-G Engine Gets Claimed 50-Percent Mileage Boost
Mazda recently unveiled its new family of fuel-efficient SKYACTIV engines, and announced that the first of the powerplants would arrive in 2.0-liter form in the Mazda 3, which has been face lifted for the 2012 model year. The 40-mpg-highway rating that Mazda is forecasting is undoubtedly impressive, but a new 1.3-liter engine just revealed for the SKYACTIV line would, if it lives up to the company’s hype, really knock your socks off. The diminutive four-cylinder mill produces only 83 hp and 83 lb-ft, and makes use of direct injection and a high 14.0:1 compression ratio. But with start/stop functionality added and a variety of mechanical tweaks to prevent the sort of knocking that would otherwise plague a high-compression engine, Mazda says that installed in the 2, its 1.3 will be good for an astonishing 70 mpg on the Japanese fuel economy test cycle.
This is not to say the engine will actually return those numbers; for context, the same Japanese cycle rates the Mazda 2 with a 1.5-liter four—essentially the engine we get in the car here—at 46 mpg. Still, that’s an improvement of roughly 52 percent; that borders on incredible. The U.S.-market Mazda 2 , which has 100 hp and 98 lb-ft, is rated at 29 mpg city/35 highway.
The new 1.3-liter engine launches in the 2 in Japan soon, and we imagine it will have no trouble attracting customers to the Mazda showrooms there. As for availability in the U.S., we wouldn’t count on it. That doesn’t mean we’ll do without any other SKYACTIV-powered Mazdas, though. In addition to the 3, we expect the engines to proliferate throughout the company’s lineup in the coming years.
Two Cycle Engine - News
I have never seen a two stroke engine that used poppet valves for the intake charge. They may exist, but I am not familiar with them. It would be interesting to see a combustion cycle simulation for this engine. by zyxxy May 11, 2011 12:37 PM PDT Their
This is not to say the engine will actually return those numbers; for context, the same Japanese cycle rates the Mazda 2 with a 1.5-liter four—essentially the engine we get in the car here—at 46 mpg. Still, that's an improvement of roughly 52 percent
The company is now run by his two sons, Salvatore and Stephen. The Scuderi engine is a so-called "split cycle" design in that it uses two cylinders to do what one cylinder does in a conventional engine, which is to go through the four cycles of
Our overall sales in Asia were flat, but it was really a combination of two different stories. Our Gas Turbine and Special Applications Products were down from the prior year; however, they were offset by our Engine and Industrial Filtration Solutions
Still, a major automaker has to bite. The furthest along so far is EcoMotors, with its opposed-piston two-stroke engine design. Truck-maker Navistar International Corp. has licensed the design and is building a prototype semi tractor using the engine.
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Iveco unveils its Euro-6 engine line-up---and they all come ...: The transient cycle will be in two parts; a par...
Iveco unveils its Euro-6 engine line-up---and they all come ...: The transient cycle will be in two parts; a par...
Iveco unveils its Euro-6 engine line-up---and they all come ...: The transient cycle will be in two parts; a par...
Iveco unveils its Euro-6 engine line-up---and they all come ...: The transient cycle will be in two parts; a par...
Iveco unveils its Euro-6 engine line-up---and they all come ...: The transient cycle will be in two parts; a par...Two Cycle Engine - Bookshelf
The two-cycle engine, a general treatise on the two-cycle engine with particular reference to the Diesel, petrol, automobile, and aircraft forms
Repairing Your Outdoor Power Equipment (Trade)
Many small engines use the two-stroke cycle. They require fewer parts than the four-stroke cycle engine. Two-stroke engines have had a major impact ...Two-Stroke Engine Repair and Maintenance
A hands-on guide to two-stroke engine maintenance and repair Packed with photographs, this is a step-by-step, how-to guide for troubleshooting, repairing, and ...The two-cycle engine, small power-package
Popular Science
Can the two-stroke make it this time? A revolutionary air-pressurized injector, developed in Australia, is pumping new life into the two-cycle engine. ...Casual Knowledge Directory
Two-stroke engine - Wikipedia, the free encyclopedia
A two-stroke engine is an internal combustion engine that completes the process cycle in one revolution of ... In this way, two-stroke engines often provide strikingly high ...
Two Cycle Engine-Two Cycle Engine Manufacturers, Suppliers ...
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two-cycle engine: Definition from Answers.com
two-cycle engine ( ′tü ¦sīkəl ′enjən ) ( mechanical engineering ) A reciprocating internal combustion engine that requires two piston strokes
How two cycle engines work
Two-cycle engines can be found nearly everywhere these days. ... Two-cycle engines have design differences and operate under conditions that require different oil chemistries ...
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A 2 cycle engine actually accomplishes two things per cycle while running, ... A piston dome design, unique to 2 cycle engines, is used to help 'sweep' the chamber ...