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Categories: Shooting Star Tattoo | Author: admin 27.05.2015

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The seventh generation of the Chevrolet Corvette has just made its world debut in Detroit and we have to tell you that this is way more than just a generation change.
The powerplant makes use of features such as direct injection, continuously variable valve timing and cylinder deactivation. Despite the increase in performance, the C7 is less thirsty, as it comes with a highway fuel efficiency of 26 mpg (9 liters per 100 km). The body structure is 60 % stiffer and 99 lbs (45 kg) lighter compared to the C6's one, thanks to solutions like aluminum construction for the chassis, as well as the use of carbon fiber for the hood and removable roof panel.
The Corvette now uses an electric power steering system and to make sure that it offers the right feel, engineers have increased the stiffness of the system by an incredible 500 percent. The car incorporates a Drive Mode Selector which allows one to choose one of the five settings available: weather, eco, tour, sport, track.
There's also a Z51 Performance Package, which comes fully loaded with an electronically-controlled limited slip diff, a dry sump system, custom gear ratios, larger brakes, as well as Bilstein dampers that use magnetic ride control and extra coolers for the diff, transmission and brakes. The 2014 Chevrolet Corvette C7 is scheduled to land is US showrooms in the third quarter of the current year, but the pricing hasn't been announced yet.
Sometimes the answers to some of the most challenging problems with technology can be found in nature.


Scientists at Harvard University and the University at Buffalo are studying how stingrays move, including the seemingly effortless way the fish's round and flattened bodies ripple through water.
Bottom and his colleagues used complex algorithms involved with computational fluid dynamics to map the way water flows around live, swimming stingrays. In particular, the scientists zeroed in on the so-called leading-edge vortex, which is the vortex at the front of an object in motion. This phenomenon has been studied in flying birds and insects, but Bottom and his colleagues believe this is the first time the leading-edge vortex has been studied in underwater locomotion. For insects, the leading-edge vortex is one of the most important mechanisms involved with generating the thrust necessary for flight. The researchers will present their findings at the 66th annual meeting of the American Physical Society Division of Fluid Dynamics on Nov. Borazjani and Bottom intend to expand their research by studying the changes in movement between different types of stingrays. This marks the debut of the Gen 5 range of Small Block engines, which means that it's packed with technology.
The V8 has a displacement of 6.2 liters, delivering 450 hp and a peak torque of 450 lb-ft (610 Nm).
The manual offers rev matching on both downshifts and upshifts and also adapts to the gear you're shifting into, whichever one you choose. This controls the magnetic ride control suspension, valve-fitted exhaust, throttle pedal map, ECU map, steering assistance, active fuel management, as well as the way in which the stability and traction control act.


On the skidpad, this achieves up to 1 G of lateral acceleration, a value that places it in the same league as the C6 Corvette Grand Sport.
Researchers hoping to design more maneuverable and fuel-efficient submarines are taking cues from the unique and elegant way stingrays swim.
The new research could inspire the development of next-generation unmanned submarines for ocean exploration, clean-up efforts or rescue missions.
The 3D models identified patterns of spinning fluid regions known as vortices that form along the stingrays as they propel themselves through the water.
The blue bubbles indicate vortices on the waves of a stingray's body, which cause favorable pressure fields that push the fish forward. And, since movements through air and water are based on similar properties, understanding how these vortices work is important for the development of a diverse range of moving vehicles. In addition to that, the torque curve is phenomenal - for example, at 2,000 rpm the unit is already delivering 295 lb-ft (400 Nm).
What's more, the engineers have not managed to make the cylinder deactivation work together with the manual gearbox.



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