英文保时捷718性能介绍PPT
The Porsche 718 is a mid-engine sports car that has been a favorite among car...
The Porsche 718 is a mid-engine sports car that has been a favorite among car enthusiasts since its introduction in 1957. The model, which has been produced in various iterations over its history, has always represented the pinnacle of Porsche's engineering prowess and performance capabilities. The current iteration, the 718 Cayman and 718 Boxster, continue that legacy with their powerful engines, sleek designs, and handling capabilities that are second to none.PerformanceThe 718 is powered by a flat-four engine that is mounted amidships in the car's chassis. The engine, which displaces 3.0 liters in the Cayman and 2.5 liters in the Boxster, is turbocharged and produces a maximum power output of 350 horsepower and 309 pound-feet of torque in the Cayman, and 345 horsepower and 295 pound-feet of torque in the Boxster. The engine is mated to a six-speed manual transmission or a seven-speed PDK dual-clutch automatic transmission.The combination of the engine's power and the car's light weight result in blistering acceleration figures. The Cayman, for example, can accelerate from zero to 60 miles per hour (mph) in just 4.4 seconds with the manual transmission, or 4.0 seconds with the PDK transmission. The Boxster, which is slightly lighter than the Cayman, can reach 60 mph in 4.6 seconds with the manual transmission or 4.4 seconds with the PDK transmission.HandlingThe 718's handling capabilities are second to none. The car's mid-engine layout and rear-biased weight distribution provide exceptional balance and handling on the road and on the track. The car's chassis is stiff and well-damped, providing a solid foundation for cornering and braking. The steering is direct and feedback-rich, providing drivers with precise control over the car's direction.On the track, the 718's performance is truly impressive. The car can accelerate, brake, and corner with abandon, thanks to its balanced weight distribution and sticky tires. The car's braking system is powerful and fade-resistant, allowing drivers to brake late into corners and carry high speeds through the esses. The PDK transmission, which is optional on the 718, provides lightning-fast shifts that keep the engine in its sweet spot no matter how hard the driver is pushing.DesignThe 718's design is sleek and aerodynamic, with clean lines and a purposeful aesthetic. The car's low-slung body and pop-up headlights give it a menacing look that is unmistakably Porsche. Inside, the car is equally well-designed, with a driver-oriented cockpit that features high-quality materials and an intuitive control layout.The Cayman and Boxster models each have their own unique design elements that set them apart from each other. The Cayman has a more aggressive look with its sharp lines and aggressive front end, while the Boxster has a more rounded design that is reminiscent of classic Porsches. Both models, however, share the same mid-engine layout and rear-biased weight distribution, providing them with the same exceptional handling capabilities.ConclusionThe Porsche 718 Cayman and Boxster are two of the most exciting sports cars on the market today. With their powerful engines, sleek designs, and handling capabilities that are second to none, they offer drivers an unparalleled experience on the road and on the track. While they may not have the range or the refinement of some of their competitors, their raw performance and handling capabilities more than make up for it, making them true standouts in the world of sports cars.
