The electrical future
The popular boxer engine also plays a role in the world of the electric car
pressed form Porsche 911 e-hybrid
Site author Stefan Grundhoff
When engine fans hear something from a boxer engine, they quickly get into rapture. What has its in-line six-cylinder or the other V8 vacuum cleaner is often his boxing engine. A savings technology that has made it into modern times and remains up to date even in times of growing electrification.
If you think of a boxer engine, you will quickly dream of a Porsche 911 – sexy forms, spectacular sound. It was a little different a few decades ago, because here many were traveling with a boxer engine in everyday life – but anything but dynamic in a VW beetle or a bully. The characteristic rattle sound became a legend and the boxer engine disappeared with Golf and Co. Almost from the scene. Porsche with its sports car 911, Boxster and Cayman is not the only one who still relies on boxing technology. Subaru and their technical cooperation partner Toyota also rely on the compact and running boxer technology in some models.
Loyal and smooth
Subaru, especially known for its all -wheel drive models, presented his Subaru 1000 not only as the first large series model with front -wheel drive, but also a boxer engine in May 1966. In contrast to engines in the V or row design, the boxer engine plays its advantages in particular through a corresponding symmetry. In a boxing engine, the combustion chamber is flat on both sides of the crankshaft in a line, which ensures good mass equalization. The engines of the Porsche 911, a Subaru BRZ or the identical Toyota GT86 are correspondingly loyal, running and play this down to over 8.000 tours like a high -performance athlete of type 911 GT3, which does 510 hp.
Pressed form Subaru XV e-boxer
The question remains how boxing technology will continue in the next ten years, because burning is under pressure due to the ever increasing trend towards electric motors. However, Porsche has been working on hybridization of his 911 for a long time; However, with technical details, however, is still holding back. To assume that a partial electrified variant of the current 992 992 90-person generation celebrates its premiere in 2023/2024. The Zuffenhausen team should follow the in -house model of the Panamera. The Porsche Panamera Turbo E-Hybrid has now risen to the absolute top model of the series with its connector.
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Every tenth sports car from Zuffenhausen is a plug-in hybrid
Instead of the former 680 hp, the strongest of all Panamera now produces 515 kW / 700 hp and 870 nm maximum torque, that between 2.100 and 4.500 rpm. “At Porsche we put plug-in hybrids early-that pays off today. We are now delivering every tenth sports car from Zuffenhausen as a plug-in hybrid worldwide, ”says sales board Detlev von Platen,“ 61 percent of the Panamera delivered in Europe have now been electrified.“The four-liter V8 double turbo with its 420 kW / 571 hp is supported by a 100 kW / 136 hp / 400 Nm strong electric motor, which are connected to each other via an electromagnetic separator in the gear tunnel. The same would also be conceivable for the Porsche 911 as a core model and, as with other sporty manufacturers. A special boost function of the Porsche 911 Turbo S E-Hybrid should press the power to over 750 hp. Purely electrically, a 911 with a connector could still cover 50 kilometers.
pressed form Porsche 911 Turbo
Subaru also wants to maintain his in -house boxing technology and electrify in the coming years. The first steps have already been taken, because at least the engine of the Subaru XV entry-level model has now been equipped with a mild hybrid board network that lowers consumption in everyday life. The well-known two-liter boxer engine with its 110 kW / 150 hp and 194 nm maximum torque is expanded to include a small electric motor in its stepless CVT transmission, which offers narrow 12 kW / 16 hp / 66 Nm of additional performance. This is fed from a 25 kilogram battery pack with a 118-volt lithium-ion battery with 13.5 kWh. When braking and rolling, the battery package should be imperceptibly again and calls off the performance in driving without the pilot’s intervention to support the combustion. In the medium term, however, the Japanese also want to become more electrical.
pressed form Porsche 911 e-hybrid
By 2030, at least 40 percent of the global heel on hybrid and electric vehicles should be eliminated. The all -wheel drive is set and it is only a matter of time when the first vehicles come with an electrified drive. And in addition to pure electric models, a boxer engine with electrical support is also only a matter of time in Europe. In the United States, the Subaru XV, which is offered there under the name Crosstrek with a two-liter four-cylinder vacuum with 137 hp, is also available as a plug-in hybrid in the program. The battery under the trunk is loaded via a plug behind a second tank flap in two hours.
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