Friday, August 5, 2011

BMW i3 relies on batteries and i8's assumed as sports car hybrid


BMW i3 relies on batteries and i8's assumed as sports car hybrid



FRANKFURT - When introducing two cars, the chairman of BMW AG, Norbert Reithofer said, "We made a new step in the history of the BMW Group. As Chairman and an engineer, I am proud of this project. "



A week ago, Friday, July 29, 2011, BMW showed directly the two figures to be production cars in 2013 and 2014 to the public in Frankfurt, Germany. Both are BMW I3 and i8 is still called a concept and will be a sub-brand new BMW.

One aspect that BMW boss proud of the product to be manufactured is a materials technology for the body. It is said, this is the first mass production car, its body is made is made of Carbon Fiber-Reinforced Plastic (CFRP) body weight could be lowered so that the start 250 kg to 350 kg. Both cars will be made at a new factory BMW, Leipzig, Germany.

In City
BMW I3 and i8 are two different products in the technology. Especially the main driving force. BMW i3 is a compact city car is designed as a car that many operate in the city. Its size, together with the Honda Jazz or Toyota Yaris.

This car is just relying on batteries as an energy source to drive. Fully charged battery mileage, 150 miles. it's used as a driver of an electric motor that can produce 125 kW and torque of 20 Nm.

Architect concept car is called the LifeDrive with body cells that protect the passengers from the carbon (CFRP). With this material also, the level of passenger and driver safety in the cell body remains secured. Another advantage of this small car, luggage volume of 200 liters. While the total car dimensions: length 3845 mm, height 1537 mm, 2011 mm Lear and wheelbase 2570 mm, only 1250 kg.

"This is the first mass production car made from carbon. So the revolution in automotive design, "said Klaus Draeger, BMW board member responsible for introducing the current development of this car.

The ability of this car doing 0 -100 kph sprint in 8 seconds. While lithium-ion batteries can be charged up to 80 percent in one hour.

Sports Cars
"The concept of BMW i8, a new generation of sports cars," claims about the BMW car plug-in hybrid two-door. This car uses two sources of power and propulsion. That's why BMW calls Range Extender (Rex) because it can be used to cover longer distances. If you just rely on energy from the battery, can only be used for a distance of 35 km and assessed BMW enough for everyday purposes.

If only the road slowly, simply use the power of turning the motor on the front axle. If you want to accelerate, the gasoline engine turns on automatically. Ability to sprint 0-100 kph, 5 seconds.

No less interesting, fuel consumption is 3 liters for 100 km, aka 33 km per liter. Total second power source to produce power 260 kW and 550 Nm of torque.

"I8 Concept is a sports car for a new generation," said Draeger about cars i8 dimension: length 4.632, width 1955 mm, height 1280 mm and wheelbase 2800 mm and can carry passengers 2 +2. Because of the gasoline engine, weighs more beratdari i8 I3 sekiatar 200kg, which is 1480 kg.

3-cylinder gasoline engine 1.5-liter produces 164 kW power and 300 Nm of torque. While the electric motor 96kW and 250 Nm of torque. Ability encouraged discharged, 250 km / h (limited).