RUF Developing Electric Test Vehicles Based on the Porsche 911 Carrera

Porsche tuner RUF Automobile is developing ten electric vehicles with three different powertrains based on the 911 Carrera (997), which will be put to the test in “real life situations”. The prototypes are being manufactured in cooperation with German electronics giant Siemens AG and are going to be presented in the first half of 2011. The three eRUF variants feature a single motor concept, twin motor concept with 2-speed gearbox and twin motor concept with torque vectoring.

The first powertrain comprises a 180 kW (241HP) electric motor, 29 kWh lithium-ion battery and standard Porsche gearbox used for speed reduction. The setup offers an estimated driving range of 150 km (93 miles) and decent performance: 0 to 100 km/h (62 mph) in 7 seconds and a top speed of 220 km/h (137 mph).

The prototypes using the twin motor concept are even faster, reaching 100 km/h (62 mph) in about 5 seconds, while also maxing out at 220 km/h or 137 mph. Two synchronous electric motors deliver 250 kW (335HP) and are coupled to a 2-speed automatic transmission. The more potent battery pack (36,6 kWh) extends the driving range to 200 km (124 mph).

Last but not least, the third variant uses the same twin motor setup, while adding torque vectoring into the mix as well. Engineers mounted two separate gearboxes into the car, each powering a rear wheel. Acceleration and driving range are the same, however estimated top speed decreases to about 180 km/h (112 mph).

The field test are expected to provide important data on the different battery and powertrain setups, which will be handed over to the German Federal Ministry of the Environment, also involved in the project.

eRUF variants [Press Release]

1. Single Motor Concept
- Base vehicle, Porsche 997 Carrera
- Electric motor (180 kW) and inverter from Siemens AG
- Porsche production gearbox used for speed reduction
- Lithium-ion batteries with an energy capacity of 29 kWh
- Integrated charger, DCDC-converter, plug, socket and charging cable
- interior heating
- Data recording unit for analysis and documentation of the charging/ discharging, journey and component data
- Driving range approximately 150 km, maximum speed about 220 km/h, acceleration from 0 to 100 km/h in about 7 seconds
2. Twin Motor Concept with 2-speed Gearbox
- Base vehicle, Porsche 997 Carrera
- Two transversely mounted Siemens synchronous electric motors (250 kW) with double inverters
- Automatic 2 speed gearbox, limited slip differential
- Liquid cooled and heated lithium ion battery with an energy capacity of 36,6 kWh
- Integrated charger, DCDC-converter, plug, socket and charging cable
- interior heating
- Data recording unit for ananlysis and documentation of the charging/ discharging, journey and component data
- Driving range approximately 200 km, maximum speed about 220 km/h, acceleration from 0 to 100 km/h in about 5 seconds
3. Twin Motor concept with Torque Vectoring
- Base vehicle, Porsche 997 Carrera
- Two transversely mounted Siemens synchronous electric motors (250 kW) with double inverters
- Two seperate angular bevel gearboxes for independent rear wheel drive
- Liquid cooled and heated lithium ion battery with an energy capacity of 36,6 kWh
- Charging via inverter, DCDC-converter, plug, socket and charging cable
- interior heating
- Data recording unit for analysis and documentation of the charging/discharging, journey and component data
- Driving range approximately 200 km, maximum speed about 180 km/h, acceleration from 0 to 100 km/h in about 5 seconds

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Porsche Quietly Rolls Out Pure-Electric Boxster E Prototypes

In a German-language only press release and without much fanfare, Porsche announced the introduction of a trio of electric-powered Boxster E prototypes. Over the next few months, these pure-electric test vehicles will be trialed in and around the city of Stuttgart to provide feedback on the feasibility and usability of the concept in everyday use.

Porsche is keeping mum on most of the details surrounding the three prototype Boxster roadsters simply stating that the cars are equipped with two-electric motors that deliver up to 180kW or 241-horsepower, and are fed through a 29-kWh battery package.

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VIDEO: Porsche Shows Off 918 Spyder in Motion

Having recently confirmed for production, Porsche took the 918 Spyder Concept over to Monterey, California last week ahead of the Pebble Beach Concours d'Elegance. And while they were at it, the Germans shot a new video clip of the plug-in hybrid supercar on the road.

A spiritual successor to the 959 and Carrera GT models, the 918 Spyder sports a mid-mounted 500HP 3.4 liter V8 gasoline engine and a pair of electric motors located on the front and rear axle producing a combined 218-horsepower, for a total system output of 718HP.

The numbers you want to know -for the concept version- is a top speed of 320km/h (198mph), a zero-to-100km/h (62mph) time of 3.2 seconds and a combined fuel economy of 3.0 lt/100km (78mpg US) with CO2 emissions of just 79g/km. And oh, according to Porsche, the 918 Spyder is faster around the Nürburgring Nordschleife than the Carrera GT.

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VIDEO: Porsche Shows Off 918 Spyder in Motion

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Porsche Green Lights 918 Spyder 718HP Plug-in-Hybrid Supercar for Production

It's official; Porsche will build a limited series of its radical 918 Spyder plug-in hybrid concept that made its debut at the 2010 Geneva Motor Show earlier this year.

"Reflecting the overwhelming response from the public and customers to the Concept Study, the Supervisory Board gave Porsche's Board of Management the mission to develop a production model based on the car already presented," Porsche said in statement on Wednesday.

Porsche insiders noted earlier this year that in order for the car to be produced, the company needed a minimum of 1,000 orders. A report from Bloomberg in the beginning of July made word of at least 2,000 individuals placing non-binding expressions of interest for the supercar.

"Production of the 918 Spyder in a limited series proves that we are taking the right approach with Porsche Intelligent Performance featuring the combination of supreme performance and efficient drivetrain concepts," said Michael Macht, President and Chairman of the Board of Management of Porsche AG.

"We will develop the 918 Spyder in Weissach and assemble it in Zuffenhausen. This is also a very important commitment to Germany as a manufacturing base."

The concept version of the mid-engined two-seater 918 Spyder featured a plug-in hybrid drivetrain comprising of a mid-mounted 500HP 3.4 liter V8 gasoline engine, and electric motors located on the front and rear axle with a combined output of 218-horsepower.

The company claims that the hybrid supercar should return 78 mpg US (3 liters / 100km) with CO2 emissions of just 79g/km, hit 100km/h (62mph) in 3.2 seconds, reach a top speed of around 320km/h (198mph) and speed around the 'Ring faster than its predecessor, the Carrera GT.

Porsche didn't say when it will introduce the production version of the 918 Spyder, which is rumored to carry a price tag of around $630,000.

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Porsche Green Lights 918 Spyder 718HP Plug-in-Hybrid Supercar for Production

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Report Claims Porsche May Price 918 Spyder at $630,000, or 1.5 Times Higher than Ferrari 599 GTO

Porsche officials may have not yet given the green light for the production of the 918 Spyder, but we already have a projected price for the hybrid supercar that was unveiled in concept form at the Geneva Auto Show in March - or at least, that's what a report from Bloomberg supports.

Citing two people with "direct knowledge of the plan", Bloomberg reported that if Porsche goes ahead and builds the 918 Spyder, it may carry a price tag of around €500,000 (equal to about US$630,000 at today's exchange rates).

That's 10 percent higher than Porsche's previous flagship supercar, the €453,000 Carrera GT built between 2003 and 2006, and roughly one-and-a-half times the price of Ferrari's "fastest ever road-going model", the new 599 GTO that costs -according to Bloomberg- €320,000 (US$405,000 at the current exchange rates).

The news agency says the number of people that have put in non-binding expressions of interest for the Porsche 918 Spyder has risen to at least 2,000 individuals.

Porsche development chief Wolfgang Duerheimer has previously stated that the company needs a minimum of 1,000 sales to approve limited production of the supercar. In this case, Porsche is said to make at least €500 million in revenue.

As a reminder, the two-seater 918 Spyder concept model makes use of a 500-horsepower 3.4 liter V8 gasoline engine positioned midship in front of the rear axle, and electric motors located on the front and rear axle with overall mechanical output of 218-horsepower. The company claims that the hybrid supercar should return 78 mpg (3 liters / 100km), hit 100km/h (62mph) in 3.2 seconds, and speed around the 'Ring faster than its predecessor, the Carrera GT.

Source: BloombergPo

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Report Claims Porsche May Price 918 Spyder at $630,000, or 1.5 Times Higher than Ferrari 599 GTO

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