For the primary time, Audi is presenting a design and technical idea automotive at Pebble Seashore Automotive Week in Monterey, California. The all-electric Audi PB18 e-tron presents a radical imaginative and prescient for the high-performance sports activities automotive of tomorrow. Broad and flat, visibly impressed by the wind tunnel and the race monitor, its very presence indicators that it’s destined to push boundaries. Its idea and thrilling strains had been created within the new Audi design studio in Malibu, California – the place the model’s design is constantly being up to date for the long run. The technical idea of the PB18 e-tron has benefitted from Audi’s a few years of profitable the Le Mans racing sequence. The specialists at Audi Sport GmbH, the high-performance subsidiary of Audi, had been accountable for implementation. The abbreviated title “PB18 e-tron” refers each to the Pebble Seashore venue for the premiere and to the technological DNA it shares with the profitable LMP1 racing automotive Audi R18 e-tron.
Persistently targeted ideas to be used
At first sight, the Audi PB18 e-tron reveals its kinship with one other spectacular idea automotive from the model – the Audi Aicon from 2017. This holds true not just for attribute design components just like the facet home windows that angle inwards and the extraordinarily prolonged wheel arches. The 2 idea automobiles from 2017 and 2018 additionally share their electrical drive with solid-state battery as vitality storage.
However their respective, constantly targeted ideas to be used make them polar opposites. Whereas the Aicon was designed as a totally automated, long-distance luxurious automobile – a enterprise jet for the highway – the creators of the PB18 e-tron designed it as a radical driving machine for the racetrack and highway. Dynamics and emotion prime its listing of specs. Parameters like propulsive energy, lateral acceleration and ideal ergonomics decide every element. And driver-orientation is in a very new dimension.
The interior working title at Audi for the showcar mission was “Stage Zero” – as an specific solution to differentiate it from the Ranges three, four and 5 of autonomous driving at the moment in focus at Audi. Within the Audi PB18 e-tron, the driving force is the one steering and stepping on the gasoline or brake pedal. There are subsequently no complicated techniques for piloted driving on board and no consolation options so as to add weight. Of their place are a driver’s seat and cockpit which can be built-in into an interior monocoque shell that may be slid laterally. When pushed solo, the monocoque may be positioned within the middle of the inside as in a monoposto – the right location for the racetrack. That is made potential not least by the by-wire design of the steering and pedals; a mechanical connection of the management components isn’t wanted.
Gael Buzyn is Head of the Audi Design Loft in Malibu – the place the Audi PB18 e-tron was born. He describes crucial merchandise within the specs: “We need to supply the driving force an expertise that’s in any other case accessible solely in a racing automotive just like the Audi R18. That’s why we developed the inside across the superb driver’s place within the middle. However, our purpose was to additionally give the PB18 e-tron a excessive diploma of on a regular basis usability, not only for the driving force, but additionally for a possible passenger.”
When the driving force’s monocoque is slid into the facet place, from the place the PB18 e-tron may be steered in on a regular basis driving like a traditional highway automobile, there may be room for a passenger. An extra seat may be accessed on the opposite facet, built-in low above the bottom and geared up with a three-point seatbelt. The motive force additionally advantages when getting out and in from the simply accessible exterior place of the monocoque, which may be moved when the door is confide in the sill.
Inspiration drawn from motorsport
The Audi PB18 e-tron bundle follows the normal structure of a mid-engine sports activities automotive with a cab that’s positioned far ahead. The automotive’s middle of gravity is positioned behind the seats and in entrance of the rear axle – which advantages the driving dynamics. This doesn’t contain the engine-transmission unit, as in a automotive with a traditional drive system, however fairly the battery pack.
A mixture of aluminum, carbon and multi-material composites ensures the physique of the Audi PB18 e-tron has a low fundamental weight. Not least because of the modern and relatively mild solid-state battery, a complete weight of lower than 1,550 kg (three,417.2 lb) may be anticipated.
The PB18 e-tron is four.53 meters lengthy, 2 meters extensive and simply 1.15 meters tall (14.5 x 6.four x four.6 ft). These dimensions alone converse of a classical sports activities automotive. The wheelbase is 2.70 meters (eight.9 ft) and the overhangs are compact. Considered from the facet, the attention is drawn to the gently sloping roof line which is pulled far to the again and options large C-pillars. Along with the massive and virtually vertical rear window, this design is paying homage to a taking pictures brake idea – the synthesis of a coupé with the rear of a station wagon. The outcome isn’t solely a particular silhouette but additionally, with 470 liters (16.6 cubic ft), a transparent bonus by way of cargo house – often a deficit in sports activities automobiles. An unique baggage set custom-made to suit the cargo house helps to make optimum use of the baggage compartment – even when the baggage on this automotive often consists of nothing however a helmet and racing general.
A flat crimson band of lights extends throughout the whole width of the rear and underscores the horizontal orientation of the automobile physique. The cabin, positioned on the broad shoulders of the wheel arches, seems virtually dainty from the rear. The rear diffuser air outlet has been raised excessive – one other practical function borrowed from motorsport. The diffuser may be moved downward mechanically to extend downforce. The rear spoiler, which usually is mounted, may be prolonged rearward for a similar objective.
The broadly prolonged wheel arches positioned reverse the central cabin are noticeable from each angle. They emphasize the extraordinarily extensive monitor of the PB18 e-tron and thereby illustrate the lateral dynamic potential of the automotive and the compulsory quattro drive. The big 22-inch wheels, every with eight asymmetrically designed spokes are paying homage to turbine inlets – along with the air inlets and retailers of the wheel arches, their rotation ensures wonderful air provide to the massive carbon brake discs.
The entrance is dominated by the acquainted hexagon form of the Singleframe grille, with an emphatically extensive and horizontal lower. The model brand is positioned above on the entrance of the hood, within the typical Audi sports activities automotive type. Massive air inlets to the left and proper of the Singleframe provide the required cooling air to the brakes and the entrance electrical motor. Huge and flat mild items with built-in digital matrix know-how and laser high-beam headlights full the face of the PB18 e-tron.
The laser high-beam headlight with its huge vary is very emblematic of the switch of know-how from motorsport: This know-how made its debut within the Le Mans R18 racing automotive, the place the utmost mild output at speeds above 300 km/h supplied an important security benefit at night time as effectively.
The Audi designers have taken a brand new tack for air stream by way of the entrance hood. The hood dips deeply and acts as a lateral bridge working throughout the nostril, connecting the 2 emphatically accentuated fenders and in addition doubling as an air deflector. A design that’s completely acquainted from racing prototypes.
On the identical time, this format presents the driving force a singular high quality of visibility, and never simply on the race monitor. Wanting by way of the massive windshield from the low seating place, the driving force sees exactly into the opening of the ventilated hood and onto the highway, and might thus completely goal the course and apex of the curve. Mounted inside the visual view is a clear OLED floor. The best line of the subsequent curve may be proven on it, for instance, exactly managed with information from navigation and automobile electronics. In regular highway visitors, then again, the path arrows and different symbols from the navigation system discover a good place right here within the driver’s visual view, analogous to a head-up show.
The big-format cockpit itself is designed as a freely programmable unit and may be switched between varied layouts for the racetrack or the highway, relying on the situation to be used.
Three electrical motors and quattro drive
The idea makes use of three highly effective electrical motors – one up entrance and two within the rear. The latter are centrally positioned between the steering knuckles, every instantly driving one wheel by way of half-shafts. They ship energy output of as much as 150 kW to the entrance axle and 350 kW to the rear – the Audi PB18 e-tron is a real quattro, in fact. Most output is 500 kW, with boosting, the driving force can briefly mobilize as much as 570 kW. The mixed torque of as much as 830 newton meters (612.2 lb-ft) permits acceleration from zero to 100 km/h (62.1 mph) in scarcely greater than 2 seconds – a velocity that differs solely marginally from that of a present LMP1 prototype.
In regular highway visitors, the driving force can restrict the utmost velocity in favor of vary. This limitation is straightforward to deactivate on the racetrack and may be tailored to native situations.
The main target is on not simply highly effective efficiency but additionally most effectivity. Whereas being pushed, the Audi PB18 e-tron recovers massive quantities of vitality: as much as average braking, the electrical motors are solely accountable for decelerating the automobile. The hydraulic brakes solely come into play for heavy braking.
The idea of separate electrical motors on the rear axle presents main benefits on the subject of sporty dealing with. The Torque Management Supervisor, which works along with the Digital Stabilization Management (ESC), actively distributes the ability to the wheels of the entrance and rear axles as wanted. This torque management offers for max dynamics and stability. Because of the nearly instantaneous response of the electrical motors, the management actions are lightning-quick. The drive idea of the Audi PB18 e-tron adapts completely to each state of affairs, whether or not involving transverse or longitudinal dynamics.
The liquid-cooled solid-state battery has an vitality capability of 95 kWh. A full cost offers for a variety of over 500 kilometers (310.7 miles) within the WLTP cycle. The Audi PB18 e-tron is already designed for charging with a voltage of 800 volts. This implies the battery may be totally recharged in about 15 minutes.
The Audi PB18 e-tron will also be charged cordlessly by way of induction with Audi Wi-fi Charging (AWC). That is executed by inserting a charging pad with integral coil on the ground the place the automotive is to be parked, and connecting it to the ability provide. The alternating magnetic area induces an alternating voltage within the secondary coil fitted within the flooring of the automotive, throughout the air hole.
Excessive-tech from the LMP1 sport: the suspension
The entrance and rear have impartial suspension on decrease and higher transverse management arms, and, as generally present in motor racing, a push-rod system on the entrance axle and pull-rod system on the rear – in each circumstances with adaptive magnetic experience shock absorbers. The suspension of the Audi R18 e-tron quattro Le Mans racing automotive served because the mannequin for the essential structure.
The wheels measure 22 inches in diameter and are fitted with 275/35 tires within the entrance and 315/30 within the again. Massive carbon brake discs with a 19-inch diameter, together with the electrical brake, safely and steadily decelerate the Audi PB18 e-tron even in powerful racetrack situations.
The trail to quantity manufacturing – electrical mobility at Audi
Audi has been growing autos with all-electric or hybrid drive since again within the late 1980s. The primary manufacturing providing of a automotive combining a combustion engine with an electrical motor was the Audi duo from 1997, which occupied the physique of an A4 Avant. A landmark technological improvement for electrical automobiles was the R8 e-tron, which was unveiled on the 2009 Frankfurt Motor Present and in 2012 set a report lap time for an electrical automotive on the North Loop of the Nürburgring.
Audi added a primary plug-in hybrid to its vary in 2014 within the guise of the 150 kW (204 hp) A3 e-tron – its battery items may be recharged by recuperation and cable, and provides it an all-electric vary of as much as 50 kilometers within the NEDC. The Q7 e-tron made its debut in 2016: It’s powered by a three.zero TDI engine mixed with an electrical motor, with a mixed 275 kW (373 hp) and 700 Nm (516.three lb-ft) of torque. It accelerates from a standing begin to 100 km/h (62.1 mph) in 6.2 seconds and is especially environment friendly. In all-electric mode, it has a variety of as much as 56 kilometers (34.eight miles) whereas producing zero native emissions. Additionally it is the world’s first plug-in hybrid with a V6 compression ignition engine and quattro drive.
One other idea automotive unveiled by Audi in 2015 on the Frankfurt Motor Present, was the e-tron quattro idea – the forerunner of the model’s first all-electric-drive manufacturing vehicle. As a radically reconfigured SUV it presents a variety of greater than 400 kilometers (248.5 miles) within the WLTP cycle with the spaciousness and luxury of a typical full-size vehicle from Audi. The manufacturing model of this groundbreaking e-SUV, named Audi e-tron, will debut in September 2018.
Roadtrip, circuit or piloted city-mobile – a brand new mobility service
Audi has in the meantime been constructing a brand new household of visionary vehicles since 2017 as a preview for the subsequent decade – electrically powered and exactly targeted on their respective use eventualities. Vehicles at the moment out there are at all times conceived as a flexible synthesis between extremely conflicting requirement profiles – in observe, this usually means compromises should be made. In distinction, the present idea automobiles will occupy a brand new, constant place in an more and more diversified market. The Audi Aicon long-distance luxurious automobile began issues off on the IAA 2017; the PB18 e-tron is now marking one other milestone. Extra automobile ideas, resembling these for instance for city visitors, are already being developed and can make their public debut within the coming months.
As a part of a premium sharing pool with extremely particular person fashions, they’ll all sharpen the profile of the Audi model even additional sooner or later – as custom-tailored services for extremely demanding clients who need to mix mobility, emotion and expertise in each state of affairs of their lives. These clients can then resolve whether or not they solely need to use the automobile of their alternative briefly and change it for an additional when wanted, or if they might fairly buy it completely, as right now.