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Audi PB18 e-tron Concept Marks The Brand's First Debut At Pebble Beach
William Maley posted an article in Audi
The past few years has seen a number of automakers introduce new and concept vehicles at Pebble Beach. Audi is the latest automaker to join the fray with the introduction of the PB18 e-tron concept. Audi describes the PB18 e-tron as a "high-performance sports car of tomorrow." It looks like a mashup of the R8 supercar and the R18 Le Mans racer. One interesting trait is around back with a large glass tailgate. A set of 22-inch turbine wheels hide a set of 19-inch carbon disc brakes. The interior has a clever trick as it can be arranged to be a single seater or or two seater. This is due to a motorized sliding cockpit module and drive-by-wire controls for the steering and brakes. “We want to offer the driver an experience that is otherwise available only in a racing car like the Audi R18. That’s why we developed the interior around the ideal driver’s position in the center. Nevertheless, our aim was to also give the PB 18 e-tron a high degree of everyday usability, not just for the driver, but also for a potential passenger,” said Gael Buzyn, Head of the Audi Design Loft in Malibu, California. Three electric motors provide the motivation for the PB18 e-tron. Total output is rated at 500 kW (670 horsepower) with an overboots function providing 570kW (about 764 horsepower). 0-60 mph is said to take around two seconds. A 95-kWh solid state battery provides the juice for the motors. Total range is said to be around 310 miles. Using an 800-volt charger, the PB18 e-tron only takes 15 minutes to recharge. The body is a mix of aluminum, carbon fiber, and composites. Overall weight comes to 3,147 pounds. Source: Audi World premiere at Monterey Car Week - the Audi PB 18 e-tron concept car is unveiled at Laguna Seca High-performance sports car concept with electric drive Design and technical concept car for the enthusiast Envisioned as a monoposto on the racetrack with ability to center the driving position in the middle INGOLSTADT, Germany/MONTEREY, Calif., Va., August 23, 2018 – For the first time, Audi is presenting a design and technical concept car at Pebble Beach Automotive Week in Monterey, California. The all-electric Audi PB 18 e-tron presents a radical vision for the high-performance sports car of tomorrow. Broad and flat, visibly inspired by the wind tunnel and the race track, its very presence signals that it is destined to push boundaries. Its concept and exciting lines were created in the new Audi design studio in Malibu, California – where the brand’s design is consistently being updated for the future. The technical concept of the PB 18 e-tron has benefitted from Audi's many years of winning the Le Mans racing series. The experts at Audi Sport GmbH, the high-performance subsidiary of Audi, were responsible for implementation. The abbreviated name “PB 18 e-tron” refers both to the Pebble Beach venue for the premiere and to the technological DNA it shares with the successful LMP1 racing car Audi R18 e-tron. Consistently focused concepts for use At first sight, the Audi PB 18 e-tron shows its kinship with another spectacular concept car from the brand – the Audi Aicon from 2017. This holds true not only for characteristic design elements like the side windows that angle inwards and the extremely extended wheel arches. The two concept cars from 2017 and 2018 also share their electric drive with solid-state battery as energy storage. But their respective, consistently focused concepts for use make them polar opposites. While the Aicon was designed as a fully automated, long-distance luxury vehicle – a business jet for the road – the creators of the PB 18 e-tron designed it as a radical driving machine for the racetrack and road. Dynamics and emotion top its list of specifications. Parameters like propulsive power, lateral acceleration and perfect ergonomics determine each detail. And driver-orientation is in a completely new dimension. The internal working title at Audi for the show car project was “Level Zero” – as an explicit way to differentiate it from the Levels 3, 4 and 5 of automated driving currently in focus at Audi. In the Audi PB 18 e-tron, the driver is the one steering and stepping on the accelerator or brake pedal. There are therefore no complex systems for piloted driving on board and no comfort features to add weight. In their place are a driver’s seat and cockpit that are integrated into an inner monocoque shell that can be slid laterally. When driven solo, the monocoque can be positioned in the center of the interior as in a monoposto – the perfect location for the racetrack. This is made possible not least by the by-wire design of the steering and pedals; a mechanical connection of the control elements is not needed. Gael Buzyn is Head of the Audi Design Loft in Malibu – where the Audi PB 18 e-tron was born. He describes the most important item in the specifications: “We want to offer the driver an experience that is otherwise available only in a racing car like the Audi R18. That’s why we developed the interior around the ideal driver’s position in the center. Nevertheless, our aim was to also give the PB 18 e-tron a high degree of everyday usability, not just for the driver, but also for a potential passenger.” When the driver’s monocoque is slid into the side position, from where the PB 18 e-tron can be steered in everyday driving like a conventional road vehicle, there is room for a passenger. An additional seat can be accessed on the other side-- integrated low above the ground and equipped with a three-point seatbelt. The driver also benefits when getting in and out from the easily accessible outside position of the monocoque, which can be moved when the door is open up to the sill. Inspiration drawn from motorsport The Audi PB 18 e-tron package follows the traditional architecture of a mid-engine sports car with a cab that is positioned far forward. The car’s center of gravity is located behind the seats and in front of the rear axle – which benefits the driving dynamics. This does not involve the engine-transmission unit, as in a car with a conventional drive system, but rather the battery pack. A mix of aluminum, carbon and multi-material composites ensures the body of the Audi PB 18 e-tron has a low basic weight. Not least thanks to the innovative and comparatively light solid-state battery, a total weight of less than 1,550 kg (3,417.2 lb) can be expected. The PB 18 e-tron is 4.53 meters long, 2 meters wide and just 1.15 meters tall (14.5 x 6.4 x 4.6 ft). These dimensions alone speak of a classical sports car. The wheelbase is 2.70 meters (8.9 ft) and the overhangs are compact. Viewed from the side, the eye is drawn to the gently sloping roof line which is pulled far to the back and features massive C-pillars. Together with the large and almost vertical rear window, this design is reminiscent of a shooting brake concept – the synthesis of a coupé with the rear of a station wagon. The result is not only a distinctive silhouette but also, with 470 liters (16.6 cubic ft), a clear bonus in terms of cargo space – usually a deficit in sports cars. An exclusive luggage set customized to fit the cargo space helps to make optimum use of the luggage compartment – even if the luggage in this car frequently consists of nothing but a helmet and racing overall. A flat red band of lights extends across the entire width of the rear and underscores the horizontal orientation of the vehicle body. The cabin, placed on the broad shoulders of the wheel arches, appears almost dainty from the rear. The rear diffuser air outlet has been raised high – another functional feature borrowed from motorsport. The diffuser can be moved downward mechanically to increase downforce. The rear spoiler, which normally is fixed, can be extended rearward for the same purpose. The widely extended wheel arches located opposite the central cabin are noticeable from every angle. They emphasize the extremely wide track of the PB 18 e-tron and thereby illustrate the lateral dynamic potential of the car and the obligatory quattro drive. The large 22-inch wheels, each with eight asymmetrically designed spokes are reminiscent of turbine inlets – together with the air inlets and outlets of the wheel arches, their rotation ensures excellent air supply to the large carbon brake discs. The front is dominated by the familiar hexagon shape of the Singleframe grille, with an emphatically wide and horizontal cut. The brand logo is placed above at the front of the hood, in the typical Audi sports car style. Large air inlets to the left and right of the Singleframe supply the necessary cooling air to the brakes and the front electric motor. Wide and flat light units with integrated digital matrix technology and laser high-beam headlights complete the face of the PB 18 e-tron. The laser high-beam headlight with its enormous range is especially emblematic of the transfer of know-how from motorsport: This technology made its debut in the Le Mans R18 racing car, where the maximum light output at speeds above 300 km/h offered a crucial safety advantage at night races as well. The Audi designers have taken a new tack for air flow through the front hood. The hood dips deeply and acts as a lateral bridge running across the nose, connecting the two emphatically accentuated fenders and also doubling as an air deflector. A design that is thoroughly familiar from racing prototypes. At the same time, this layout offers the driver a unique quality of visibility, and not just on the race track. Looking through the large windshield from the low seating position, the driver sees precisely into the opening of the ventilated hood and onto the road, and can thus perfectly target the course and apex of the curve. Mounted within the field of vision is a transparent OLED surface. The ideal line of the next curve can be shown on it, for example, precisely controlled with data from navigation and vehicle electronics. In normal road traffic, on the other hand, the direction arrows and other symbols from the navigation system are designed to find a perfect place here in the driver’s field of vision, analogous to a head-up display. The large-format cockpit itself is designed as a freely programmable unit and can be switched between various layouts for the racetrack or the road, depending on the scenario for use. Emotion without tailpipe emissions: three electric motors and quattro drive The concept uses three powerful electric motors – one up front and two in the rear. The latter are centrally located between the steering knuckles, each directly driving one wheel via half-shafts. They deliver power output of up to 150 kW to the front axle and 450 kW to the rear – the Audi PB 18 e-tron is a true quattro, of course. Maximum output is 500 kW, with boosting, the driver can temporarily mobilize up to 570 kW. The combined torque of up to 830 newton meters (612.2 lb-ft) allows acceleration from 0 to 100 km/h (62.1 mph) in scarcely more than 2 seconds – a speed that differs only marginally from that of a current LMP1 prototype. In normal road traffic, the driver can limit the maximum speed in favor of range. This limitation is easy to deactivate on the racetrack and can be adapted to local conditions. The focus is on not just powerful performance but also maximum efficiency. While being driven, the Audi PB 18 e-tron is designed to recover large amounts of energy: up to moderate braking, the electric motors are solely responsible for decelerating the vehicle. The hydraulic brakes only come into play for heavy braking. The concept of separate electric motors on the rear axle offers major advantages when it comes to sporty handling. The Torque Control Manager, which works together with the Electronic Stabilization Control (ESC), actively distributes the power to the wheels of the front and rear axles as needed. This torque control provides for maximum dynamics and stability. Thanks to the virtually instantaneous response of the electric motors, the control actions are lightning-quick. The drive concept of the Audi PB 18 e-tron adapts perfectly to every situation, whether involving transverse or longitudinal dynamics. The liquid-cooled solid-state battery has an energy capacity of 95 kWh. A full charge provides for a range of over 500 kilometers (310.7 miles) in the WLTP cycle. The Audi PB 18 e-tron is already designed for charging with a voltage of 800 volts. This means the battery can be fully recharged in about 15 minutes. The Audi PB 18 e-tron can also be charged cordlessly via induction with Audi Wireless Charging (AWC). This is done by placing a charging pad with integral coil on the floor where the car is to be parked, and connecting it to the power supply. The alternating magnetic field induces an alternating voltage in the secondary coil fitted in the floor of the car, across the air gap. High-tech from the LMP1 sport: the suspension The front and rear have independent suspension on lower and upper transverse control arms, and, as commonly found in motor racing, a push-rod system on the front axle and pull-rod system on the rear – in both cases with adaptive magnetic ride shock absorbers. The suspension of the Audi R18 e-tron quattro Le Mans racing car served as the model for the basic architecture. The wheels measure 22 inches in diameter and are fitted with 275/35 tires in the front and 315/30 in the back. Large carbon brake discs with a 19-inch diameter, in conjunction with the electric brake, safely and steadily decelerate the Audi PB 18 e-tron even in tough racetrack conditions. -
The past few years has seen a number of automakers introduce new and concept vehicles at Pebble Beach. Audi is the latest automaker to join the fray with the introduction of the PB18 e-tron concept. Audi describes the PB18 e-tron as a "high-performance sports car of tomorrow." It looks like a mashup of the R8 supercar and the R18 Le Mans racer. One interesting trait is around back with a large glass tailgate. A set of 22-inch turbine wheels hide a set of 19-inch carbon disc brakes. The interior has a clever trick as it can be arranged to be a single seater or or two seater. This is due to a motorized sliding cockpit module and drive-by-wire controls for the steering and brakes. “We want to offer the driver an experience that is otherwise available only in a racing car like the Audi R18. That’s why we developed the interior around the ideal driver’s position in the center. Nevertheless, our aim was to also give the PB 18 e-tron a high degree of everyday usability, not just for the driver, but also for a potential passenger,” said Gael Buzyn, Head of the Audi Design Loft in Malibu, California. Three electric motors provide the motivation for the PB18 e-tron. Total output is rated at 500 kW (670 horsepower) with an overboots function providing 570kW (about 764 horsepower). 0-60 mph is said to take around two seconds. A 95-kWh solid state battery provides the juice for the motors. Total range is said to be around 310 miles. Using an 800-volt charger, the PB18 e-tron only takes 15 minutes to recharge. The body is a mix of aluminum, carbon fiber, and composites. Overall weight comes to 3,147 pounds. Source: Audi World premiere at Monterey Car Week - the Audi PB 18 e-tron concept car is unveiled at Laguna Seca High-performance sports car concept with electric drive Design and technical concept car for the enthusiast Envisioned as a monoposto on the racetrack with ability to center the driving position in the middle INGOLSTADT, Germany/MONTEREY, Calif., Va., August 23, 2018 – For the first time, Audi is presenting a design and technical concept car at Pebble Beach Automotive Week in Monterey, California. The all-electric Audi PB 18 e-tron presents a radical vision for the high-performance sports car of tomorrow. Broad and flat, visibly inspired by the wind tunnel and the race track, its very presence signals that it is destined to push boundaries. Its concept and exciting lines were created in the new Audi design studio in Malibu, California – where the brand’s design is consistently being updated for the future. The technical concept of the PB 18 e-tron has benefitted from Audi's many years of winning the Le Mans racing series. The experts at Audi Sport GmbH, the high-performance subsidiary of Audi, were responsible for implementation. The abbreviated name “PB 18 e-tron” refers both to the Pebble Beach venue for the premiere and to the technological DNA it shares with the successful LMP1 racing car Audi R18 e-tron. Consistently focused concepts for use At first sight, the Audi PB 18 e-tron shows its kinship with another spectacular concept car from the brand – the Audi Aicon from 2017. This holds true not only for characteristic design elements like the side windows that angle inwards and the extremely extended wheel arches. The two concept cars from 2017 and 2018 also share their electric drive with solid-state battery as energy storage. But their respective, consistently focused concepts for use make them polar opposites. While the Aicon was designed as a fully automated, long-distance luxury vehicle – a business jet for the road – the creators of the PB 18 e-tron designed it as a radical driving machine for the racetrack and road. Dynamics and emotion top its list of specifications. Parameters like propulsive power, lateral acceleration and perfect ergonomics determine each detail. And driver-orientation is in a completely new dimension. The internal working title at Audi for the show car project was “Level Zero” – as an explicit way to differentiate it from the Levels 3, 4 and 5 of automated driving currently in focus at Audi. In the Audi PB 18 e-tron, the driver is the one steering and stepping on the accelerator or brake pedal. There are therefore no complex systems for piloted driving on board and no comfort features to add weight. In their place are a driver’s seat and cockpit that are integrated into an inner monocoque shell that can be slid laterally. When driven solo, the monocoque can be positioned in the center of the interior as in a monoposto – the perfect location for the racetrack. This is made possible not least by the by-wire design of the steering and pedals; a mechanical connection of the control elements is not needed. Gael Buzyn is Head of the Audi Design Loft in Malibu – where the Audi PB 18 e-tron was born. He describes the most important item in the specifications: “We want to offer the driver an experience that is otherwise available only in a racing car like the Audi R18. That’s why we developed the interior around the ideal driver’s position in the center. Nevertheless, our aim was to also give the PB 18 e-tron a high degree of everyday usability, not just for the driver, but also for a potential passenger.” When the driver’s monocoque is slid into the side position, from where the PB 18 e-tron can be steered in everyday driving like a conventional road vehicle, there is room for a passenger. An additional seat can be accessed on the other side-- integrated low above the ground and equipped with a three-point seatbelt. The driver also benefits when getting in and out from the easily accessible outside position of the monocoque, which can be moved when the door is open up to the sill. Inspiration drawn from motorsport The Audi PB 18 e-tron package follows the traditional architecture of a mid-engine sports car with a cab that is positioned far forward. The car’s center of gravity is located behind the seats and in front of the rear axle – which benefits the driving dynamics. This does not involve the engine-transmission unit, as in a car with a conventional drive system, but rather the battery pack. A mix of aluminum, carbon and multi-material composites ensures the body of the Audi PB 18 e-tron has a low basic weight. Not least thanks to the innovative and comparatively light solid-state battery, a total weight of less than 1,550 kg (3,417.2 lb) can be expected. The PB 18 e-tron is 4.53 meters long, 2 meters wide and just 1.15 meters tall (14.5 x 6.4 x 4.6 ft). These dimensions alone speak of a classical sports car. The wheelbase is 2.70 meters (8.9 ft) and the overhangs are compact. Viewed from the side, the eye is drawn to the gently sloping roof line which is pulled far to the back and features massive C-pillars. Together with the large and almost vertical rear window, this design is reminiscent of a shooting brake concept – the synthesis of a coupé with the rear of a station wagon. The result is not only a distinctive silhouette but also, with 470 liters (16.6 cubic ft), a clear bonus in terms of cargo space – usually a deficit in sports cars. An exclusive luggage set customized to fit the cargo space helps to make optimum use of the luggage compartment – even if the luggage in this car frequently consists of nothing but a helmet and racing overall. A flat red band of lights extends across the entire width of the rear and underscores the horizontal orientation of the vehicle body. The cabin, placed on the broad shoulders of the wheel arches, appears almost dainty from the rear. The rear diffuser air outlet has been raised high – another functional feature borrowed from motorsport. The diffuser can be moved downward mechanically to increase downforce. The rear spoiler, which normally is fixed, can be extended rearward for the same purpose. The widely extended wheel arches located opposite the central cabin are noticeable from every angle. They emphasize the extremely wide track of the PB 18 e-tron and thereby illustrate the lateral dynamic potential of the car and the obligatory quattro drive. The large 22-inch wheels, each with eight asymmetrically designed spokes are reminiscent of turbine inlets – together with the air inlets and outlets of the wheel arches, their rotation ensures excellent air supply to the large carbon brake discs. The front is dominated by the familiar hexagon shape of the Singleframe grille, with an emphatically wide and horizontal cut. The brand logo is placed above at the front of the hood, in the typical Audi sports car style. Large air inlets to the left and right of the Singleframe supply the necessary cooling air to the brakes and the front electric motor. Wide and flat light units with integrated digital matrix technology and laser high-beam headlights complete the face of the PB 18 e-tron. The laser high-beam headlight with its enormous range is especially emblematic of the transfer of know-how from motorsport: This technology made its debut in the Le Mans R18 racing car, where the maximum light output at speeds above 300 km/h offered a crucial safety advantage at night races as well. The Audi designers have taken a new tack for air flow through the front hood. The hood dips deeply and acts as a lateral bridge running across the nose, connecting the two emphatically accentuated fenders and also doubling as an air deflector. A design that is thoroughly familiar from racing prototypes. At the same time, this layout offers the driver a unique quality of visibility, and not just on the race track. Looking through the large windshield from the low seating position, the driver sees precisely into the opening of the ventilated hood and onto the road, and can thus perfectly target the course and apex of the curve. Mounted within the field of vision is a transparent OLED surface. The ideal line of the next curve can be shown on it, for example, precisely controlled with data from navigation and vehicle electronics. In normal road traffic, on the other hand, the direction arrows and other symbols from the navigation system are designed to find a perfect place here in the driver’s field of vision, analogous to a head-up display. The large-format cockpit itself is designed as a freely programmable unit and can be switched between various layouts for the racetrack or the road, depending on the scenario for use. Emotion without tailpipe emissions: three electric motors and quattro drive The concept uses three powerful electric motors – one up front and two in the rear. The latter are centrally located between the steering knuckles, each directly driving one wheel via half-shafts. They deliver power output of up to 150 kW to the front axle and 450 kW to the rear – the Audi PB 18 e-tron is a true quattro, of course. Maximum output is 500 kW, with boosting, the driver can temporarily mobilize up to 570 kW. The combined torque of up to 830 newton meters (612.2 lb-ft) allows acceleration from 0 to 100 km/h (62.1 mph) in scarcely more than 2 seconds – a speed that differs only marginally from that of a current LMP1 prototype. In normal road traffic, the driver can limit the maximum speed in favor of range. This limitation is easy to deactivate on the racetrack and can be adapted to local conditions. The focus is on not just powerful performance but also maximum efficiency. While being driven, the Audi PB 18 e-tron is designed to recover large amounts of energy: up to moderate braking, the electric motors are solely responsible for decelerating the vehicle. The hydraulic brakes only come into play for heavy braking. The concept of separate electric motors on the rear axle offers major advantages when it comes to sporty handling. The Torque Control Manager, which works together with the Electronic Stabilization Control (ESC), actively distributes the power to the wheels of the front and rear axles as needed. This torque control provides for maximum dynamics and stability. Thanks to the virtually instantaneous response of the electric motors, the control actions are lightning-quick. The drive concept of the Audi PB 18 e-tron adapts perfectly to every situation, whether involving transverse or longitudinal dynamics. The liquid-cooled solid-state battery has an energy capacity of 95 kWh. A full charge provides for a range of over 500 kilometers (310.7 miles) in the WLTP cycle. The Audi PB 18 e-tron is already designed for charging with a voltage of 800 volts. This means the battery can be fully recharged in about 15 minutes. The Audi PB 18 e-tron can also be charged cordlessly via induction with Audi Wireless Charging (AWC). This is done by placing a charging pad with integral coil on the floor where the car is to be parked, and connecting it to the power supply. The alternating magnetic field induces an alternating voltage in the secondary coil fitted in the floor of the car, across the air gap. High-tech from the LMP1 sport: the suspension The front and rear have independent suspension on lower and upper transverse control arms, and, as commonly found in motor racing, a push-rod system on the front axle and pull-rod system on the rear – in both cases with adaptive magnetic ride shock absorbers. The suspension of the Audi R18 e-tron quattro Le Mans racing car served as the model for the basic architecture. The wheels measure 22 inches in diameter and are fitted with 275/35 tires in the front and 315/30 in the back. Large carbon brake discs with a 19-inch diameter, in conjunction with the electric brake, safely and steadily decelerate the Audi PB 18 e-tron even in tough racetrack conditions. View full article
