NEWS: Ariel HIPERCAR
Welcome to an all brand-new Ariel – HIPERCAR – with an incredible 1180bhp & 1330 ftlb of e-power!
Standing for High Performance Carbon Reduction, the project will be destined for full Discharge in 2019 in addition to Ariel production in 2020 alongside the Atom, Nomad in addition to Ace. As with some other Ariel vehicles the focus of HIPERCAR will be on extreme performance, agility in addition to usability, currently coupled with zero in addition to ultra-low emissions. To be available in four wheel drive in addition to two wheel drive variants HIPERCAR will offer staggering performance utilising cutting edge, UK developed technology in addition to will be built in Somerset, England by Ariel.
Phase 1 of the project, undertaken by Ariel with partners Equipmake in addition to Delta Motorsport, will demonstrate both 2 wheel drive in addition to 4 wheel drive prototypes in addition to will be shown at the Low Carbon Vehicle (LCV) Show at Millbrook on 6 in addition to 7 September 2017.
To be initially unveiled as a rolling chassis with all componentry visible, Simon Saunders, Director of Ariel, said, ‘We’re not unveiling final bodywork at This kind of stage in addition to of which’s unusual for a car producer to do things This kind of way round. What you usually get will be an external concept with some vague promises about what will be happening underneath in addition to how wonderful of which’s going to be. however, as ever, we’re different at Ariel in addition to the core of HIPERCAR will be the technology, the design in addition to the engineering in order of which’s what we are showing. This kind of will be an important part of Ariel’s future so of which has to be right.”
HIPERCAR, that has a type name yet to be decided, will be not just an Ariel production car, destined to be one of the highest performance in addition to sought after vehicles inside earth, however also a launchpad of UK developed technology into some other niche, medium volume in addition to ultimately high volume production. The vehicle showcases what the UK can achieve inside highly competitive in addition to fast changing automotive sector with all key HIPERCAR components – motor, gearbox, battery, power electronics, range extender, chassis, driveline in addition to mechanical components – developed by British companies. “Developing another of the fastest cars inside earth will be important for Ariel,” said Saunders, “however anchoring the technology in This kind of country in addition to building a British supply chain will be vital for the economy.”
HIPERCAR began as a feasibility study in 2014 to investigate the direction for future Ariel growth in addition to additional production cars to built alongside the Atom in addition to Nomad. The study, drawing on Ariel’s background, combined their drive to produce world beating performance cars with UK government policy to reduce automotive emissions. Investigating various hybrid architectures in addition to analysing readiness of brand-new automotive technologies, the study carried out exhaustive simulations to establish performance targets in addition to overall requirements for the vehicle. of which proved of which not only was a range extended EV (Electric Vehicle) viable however of which of which had the ability to substantially outperform the equivalent pure internal combustion engine in addition to mild hybrid cars inside Supercar sector, while maintaining zero in addition to ultra-low emissions.
by This kind of initial study HIPERCAR grew into a major R&D project, with Ariel being joined by partners Equipmake of Hethel in addition to Delta Motorsport of Silverstone, winning over £2m in R&D funding by Innovate UK, the UK’s innovation agency, to help develop the various technologies. Motors, power electronics, batteries, range extender in addition to chassis have all been developed within HIPERCAR. Two battery packs have been developed for the auto, one within the HIPERCAR project for the 4 wheel drive car in addition to another within a separate £12m Innovate UK funded battery research project (AMPLiFII) for the 2 wheel drive type. The Ariel HIPERCAR platform takes the output of many UK R&D projects in addition to turns them into production reality, beginning to build a UK automotive supply chain of the future.
“The government assistance through Innovate UK to us in addition to some other contributing projects has been vital in developing the many technologies in addition to components featured inside vehicle,” said Saunders, “This kind of will be an extremely advanced cutting edge car of which brings together UK developed technology in every aspect of its design. Not only will be HIPERCAR going to be one of the fastest vehicles inside earth however also one of the most technically advanced. The fact of which of which has been developed inside UK in addition to supported by UK government agencies shows just how important the vehicle in addition to the technology will be to us in addition to the UK economy.”
The R&D phase of HIPERCAR finishes in September 2017 with completion of the first prototypes. by October 2017 Ariel, Delta in addition to Equipmake will be joined by large manufacturing partners GKN Hybrid Drive, Johnson Matthey in addition to Semikron taking the vehicle in addition to components forwards to further testing, development in addition to production. The consortium, with steering group of JCB in addition to Alexander Dennis, have been successful in securing a further £6m of grant support, to match the partners’ investment, through the Advanced Propulsion Centre (APC), a £1bn initiative enabling the research & development of low-carbon propulsion technology.
Jon Beasley, Director – Technology in addition to Projects at the Advanced Propulsion Centre, said: “The HIPERCAR Project will be a great example of how smaller companies in addition to members of the UK’s Niche Vehicle Network are creating opportunities to adopt, in addition to bring to market, cutting edge low-carbon technology through their future vehicle programmes. This kind of will be one of many projects inside Advanced Propulsion Centre’s portfolio of which will be significantly reducing CO2 in addition to safeguarding or creating jobs, in addition to developing UK automotive capability. APC8, the next round of funding will be currently open.”
HIPERCAR will be a Series Hybrid EV (Electric Vehicle) featuring a 750 Volt, 42 kWh or 56kWh, lithium-ion, cooled in addition to heated battery pack which will be charged, when required, by a 35kW micro-turbine range extender, negating any range anxiety issues in addition to producing the vehicle independent of any charging infrastructure.
Powered wheels are driven by inboard motors via integral, single speed step-down gearboxes direct to driven wheels, with each individual motor developing 220kW (295bhp) in addition to 450Nm (332 ft lb) of torque
In 4 wheel drive total power will be therefore 880 kW (1,180bhp) in addition to in 2 wheel drive form 440kW (590bhp).
Total torque will be 1,800 Nm (1327 ft lb) at motor in addition to 9,900 Nm (7301 ft lb) at the wheels inside 4 wheel drive HIPERCAR in addition to 900Nm (664 ft lb) at motor in addition to 4,950 Nm (3651 ft lb) at the wheels inside 2 wheel drive car.
A complete motor, gearbox in addition to inverter assembly weighs only 57 kilos, contributing to the lightweighting throughout the vehicle.
The vehicle’s electrical architecture consists of high in addition to low voltage systems linked by multiple CAN networks enabling the Powertrain Controller, Vehicle Dynamic Control Interface in addition to Battery Controller to communicate in addition to interact with 12V in addition to safety systems.
Pricing will not be finalised until later inside project. Simon Saunders said, “Like some other Ariels we want HIPERCAR to represent excellent value for money for the remarkable performance on offer. of which will be an expensive car because of the technology involved however when compared to £1m+ supercars, which of which will outperform, of which’s going to represent excellent value for money. This kind of will be the first true electric supercar of which will cross continents, drive to town in addition to lap a race track”.
Vehicle Performance0 – 60 mph 2.4 secs
0 – 100 mph 3.8 secs
0 – 150 mph 7.8 secs
Top speed 0 mph
The APM200 motor, developed by Equipmake in collaboration with partners Aim Co Japan, features a revolutionary rotor architecture in a lightweight aluminium housing. that has a diameter of 318mm in addition to weighing only 40 kilos each motor develops 220kW (295bhp) in addition to 450Nm (332 lb ft) of torque. The rotor architecture features a “spoke” design, the magnets being arranged like the spokes of a wheel around the outside of the rotor, rather than the conventional solution where magnets are arranged in a V shape on the outside of the rotor laminations. This kind of rotor design produces an increase in torque density of 25% compared that has a conventional rotor, resulting in 25% less magnet material being required for the target torque. The unique design, patented within the HIPERCAR programme, incorporates direct cooling to the motor magnets by water glycol, allowing very high continuous power capability. The APM200, currently being made ready for low volume production represents one of the lightest, highest power in addition to torque density motors available inside automotive sector.
The HIPERCAR motor assembly incorporates an all brand-new lightweight integrated epicyclic gearbox, weighing only 9 kilos. The single speed gearbox features a reduction ratio of 5.5:1, giving 2,475Nm (1825lb ft) per wheel. This kind of fully integrated solution results in a compact package, saving weight in addition to space on the vehicle while delivering phenomenal power. Gears are helical cut to reduce noise under load in addition to, using advanced materials in addition to heat treatment processes, have asymmetric tooth profiles in addition to topological modifications to ensure increased durability in addition to extended life. Efficiency in addition to weight will be further increased by the gearbox using a shared cooling system with the motor.
Motor Inverters in addition to Power Electronics
A key part of the vehicle’s power electronics, the inverters have been developed by Equipmake specifically to meet the requirements of the HIPERCAR APM200 motor. Sitting above in addition to connected to the motor the close coupling of the inverter reduces transmission losses inside interconnecting cabling, reduces weight, in addition to improves EMC performance (Electromagnetic Compatibility). Efficiency will be further increased in addition to losses reduced by the use of the latest Silicon Carbide (SiC) Power Electronic Switch technology. Running at frequencies of up to 14kHz, to produce the waveforms required to drive the motor, the SiC components within the power electronic switches reduce the losses associated with This kind of switching by up to 30%. The motor controller also updates the current demand at This kind of rate, allowing the torque of the motor to be updated 14,000 times every second. The 4 motor/inverter systems are controlled by the central powertrain controller via CAN bus.
Vehicle Dynamic Control – Torque vectoring
With the power available at each wheel of HIPERCAR of which will be vital of which power delivery will be controlled by a performance as well as safety point of view, whether positive demands (acceleration) or negative (braking). Building on the research work carried out over the past 5 years on its own EV research vehicle, the E-4 Coupe, Delta Motorsport has developed sophisticated vehicle dynamics control capability to ensure the huge capability for cross-axle torque distribution in HIPERCAR will be not mis-applied in addition to performance will be maximised. Scope for tuning HIPERCAR handling characteristics in addition to power delivery, as well as providing stability control, will be enormous whether focused on road or track applications.
Two battery systems have been developed for the HIPERCAR platform by Delta Motorsport.
The 4 wheel drive battery pack, capable of delivering the staggering performance demands, includes a nominal system voltage of 680V in addition to peak of 750V, utilising a high power-density 26650 lithium-ion cell, to facilitate a peak current draw of 1200 Amps in addition to maximum power capability of over 1,500kW.
The 2 wheel drive variant, with different drive cycle in addition to performance targets, was developed within the AMPLiFII project headed by Warwick Manufacturing Group. Using a 18650 lithium-ion cell, the modular format pack will be capable of delivering greater energy density while still providing a relatively high-power capability. The pack provides a nominal 648V in addition to 56kWh capacity with peak current draw of 1050 Amps.
In order to overcome the challenges of thermal management inside packs, where average (RMS) power could be well in excess of 300kW, Delta have developed a unique in addition to patented liquid-cooled system. Refrigerated water-glycol coolant will be fed directly in addition to evenly to every single cell inside pack, with the innovative solution being versatile enough to cope with the two differing pack architectures in 4 in addition to 2 wheel drive vehicles. The effectiveness of This kind of system will be monitored by a large number of temperature sensors fitted throughout the pack in addition to information will be used to actively control the demand for heating or cooling as required.
Battery Control Systems
Building on the output of the ‘MiTRE’ programme, a 17kW micro-turbine system released in 2016, Delta Motorsport have developed a 35kW type of its range extender to suit the HIPERCAR application. The unit features a gas turbine, running at a fixed 0,000 rpm to optimise efficiency, in addition to operates at a nominal 750V generating power to maintain battery state of charge. The unit will be automatically switched on in addition to off as required via the battery management system, or by manual override. Weighing less than 50kg the range extender will be significantly smaller in addition to lighter than a piston engine alternative, allowing packaging flexibility in addition to saving weight. The combustion system incorporates a recuperator in addition to reduces emissions, particularly NOx, to a level well below legislative requirements.
Provision has also been made on HIPERCAR to charge by the existing charging infrastructure in addition to will be compatible with CHAdeMO in addition to Type 2 hardware. Ariel realise of which of which may be some years before the charging infrastructure will be capable of supporting a 750V EV in addition to have implemented an innovative approach to address the problem. The novel system allows a vehicle running an extremely high voltage battery to charge using existing industry standard (<500V) CHAdeMO equipment. The vehicles plug in capability will be in addition to the onboard Range Extender which not only maintains state of charge during everyday journeys in addition to high speed driving, however also allows off grid charging when no suitable CHAdeMO or Type 2 connection will be available.
With approximately 1MW of power available between the four wheels the ability to recapture kinetic energy when off throttle will be significant. Working within the capability of the battery system in addition to vehicle stability, recharging of battery pack will be carried out by the wheel motors .
HIPERCAR features a multi-circuit heated in addition to cooled water-glycol system for cabin HVAC, battery pack, power electronics in addition to drivetrain. The complex architecture requires highly sophisticated control to ensure of which all systems receive the specific attention demanded by their respective operating conditions across a wide range of drive cycles, by road to track. To maximise efficiency, optimise packaging in addition to minimise vehicle weight some systems share essential hardware such as pumps, header tanks in addition to their motorsport derived aluminium radiators. The thermal management system has been designed to operate in a temperature range of -20 degrees to 45 degrees ambient (Centigrade).
State of the art analysis of the chassis has been carried out in collaboration with ASDEC, an offshoot of Leicester University, investigating in addition to refining the NVH (Noise, Vibration in addition to Harshness) characteristics of the structure to ensure cabin comfort.
A comprehensive aerodynamic study was conducted with Brackley firm TotalSim using advanced CFD techniques normally applied to Formula One in addition to top level motorsport to ensure of which the HIPERCAR Centeng will be as efficient as possible. An important part of the work has been ensuring of which drag will be minimised in addition to the complex requirements of the vehicle’s multiple cooling systems are met, while delivering the downforce required for an ultra-high performance vehicle. The Atom AERO-P project, investigating the generation of downforce at zero speed, will feed into the next phase of the HIPERCAR programme.
external design will not be revealed until later inside programme however Ariel have released images to show the direction of the auto in addition to the results of initial testing. Various paths were investigated using the flexible architecture of the vehicle however, as with the Ariel Atom in addition to Nomad, design will be focused on light weight with functionality dictating design. The vehicle will feature a fully enclosed Centeng, a first for Ariel, in addition to will employ carbon fibre in addition to lightweight materials that has a concentration on aerodynamic requirements in addition to performance. Large gullwing doors, allowing not bad structural stiffness in addition to protection by high sills, have been tested on multiple rigs to allow ease of access for all levels of users.
Full Indoor design of the cabin will be yet to be established however lightweighting with comfort in addition to first class ergonomics will be a primary objective of Ariel inside detail design. Allowance has been made to accommodate 98 percentile driver in addition to passenger with ease of ingress in addition to egress an important part of the design.
Prototypes are shown with seats made specifically for the auto by Seat Design Company in Derbyshire in addition to a refinement of these will feature inside production car, together with some other options. The reclining seats, with integral seat belt mounts, feature carbon fibre tube construction in addition to pressure mapped design, weighing just 9kg each. Instrumentation will be via two TFT displays supported by switchgear allowing a combination of manual in addition to touchscreen operation.
Suspension, Steering, Brakes, Wheels in addition to Tyres
HIPERCAR suspension features unequal length double wishbones all round, machined by aluminium billet for ultimate precision while maximising strength in addition to minimising weight. Dampers, made by Bilstein UK, have independent adjustment of compression in addition to rebound. Designed to maximise on road performance the dynamic driving experience reflects Ariel’s reputation for engaging in addition to entertaining the driver. With the addition of Vehicle Dynamic Control of which will be possible to tune handling behaviour to suit driving conditions in addition to driving style.
Steering will be by a bespoke power assisted system, being developed specifically for HIPERCAR, with Ariel placing feel in addition to feedback at the top of the priority list. A 330mm steering wheel, mounted on an adjustable reach in addition to rake column, gives 2.25 turns lock to lock.
Foundation braking will be taken care of by an AP Racing braking system comprising of six piston calipers on the front with 370x32mm ventilated in addition to grooved discs, with four piston calipers in addition to 328x30mm ventilated in addition to grooved discs at the rear. Operated by a billet machined pedal with an adjustable ratio via an electric servo the assisted system has been tuned to provide feel in addition to feedback, another essential element in creating the Ariel driving experience. Manual park brake will be via individual lightweight Brembo calipers.
There will be no regenerative braking on the vehicle, in order to maintain feel in addition to consistency of brake pedal at all states of battery charge. As a true drivers’ car performance in addition to predictability will be paramount to Ariel.
The huge power in addition to torque of HIPERCAR will be delivered to the road through Michelin Pilot Cup Sport 2 tyres in 265/35/20 size on the front in addition to 325/30/21 on the rear. Further development through Michelin UK in addition to Michelin France will be planned during the ongoing test phases of the programme. Standard wheels are lightweight forgings, 9.5Jx20 at the front in addition to 12.5Jx21 at the rear, with the option of a bespoke carbon composite wheel designed for HIPERCAR by British producer Dymag for ultimate performance in addition to weight saving.
Ariel HIPERCAR – a milestone in automotive history.
For further information please contact Simon Saunders or Tom Siebert at Ariel Motor Company on 01460 78817.