Project Objectives Contribute to climate change prevention Demonstrate that electric vehicle is a viable option for individual mobility Win X-PRIZE competition in the alternative class Add a new business to automotive industry Make Metropolia Automotive recognized worldwide Promote Finnish engineering

Design Objectives Design and build the most advanced AWD electric vehicle suitable for small series manufacturing Registered to road traffic Green: modern technology, efficient, recyclable, lightweight Part of the RaceAbout family: sporty, simple and desirable Using existing components in feasible areas Simple structure, usability, serviceability Vehicle simulated to meet safety regulations

Performance -Total motor power 282 kW (383 bhp) -Acceleration km/h ~ 6 sec. -Top speed 260 km/h (162 mph) -Oper. Range~ 200 km -Consumption~ 145 Wh/km Fuel equivalent~ 1.6 l/100 km Curb weight 1720 kg Lithium-Titanate battery pack Four wheel direct drive with 4 inboard mount motors Carbon fiber monocoque Advanced, next generation stability control Optimal weight distribution & very low centre of gravity 2 Seats & 100 l of cargo space E-RA Specification

Powertrain Four wheel direct drive 4 inboard electric motors manufactured by AXCO-Motors Oy 4 inverters from Semikron GmbH / Visedo Oy Total efficiency ~80 % Advanced, next generation stability control

Motors Permanent Magnet Synchronous Motor with saliency Designed jointly with Lappeenranta University of Technology 250 Nm nominal / 800 Nm peak torque Available from 0 to 1800 rpm Water/air cooled Direct drive through drive shafts → No need for gears or differential Weight ~50 kg / motor

Batteries 286 Altairnano Lithium-Titanate cells (50 Ah 2.3 V) in 143s2p configuration Capacity 33 kWh Voltage 243 – 415 V Power 200 kW continuous, 330 kW (10s) Fast charging capability 250 kW) Weight 620 kg (1.6 kg/cell) Each cell monitored and the whole system balanced Operating temperature °C Charge temperature °C Lifetime ~5 000 cycles

Charging Built in Charger (Brusa NLG5) -Power3.3 kW -Mains connection230 V / 16A -Charging time~ 10 h -Efficiency ~ 91 % Fast Charger (AeroVironment EV250) -Power kW -Mains connection3ph V -Charging time~ 10 min -Efficiency ~ 90 %

24 carbon fibre composite parts bonded together to form E-RA monocoque Self supporting structure BIW weight ~150 kg Torsional stiffness similar to today’s production vehicles (> Nm / deg) Audi R8 brakes and suspension Body and Chassis

Nokian Z G2 (225/40R18 front and 245/40R18 rear ) Nokian Hakkapeliitta 7 studded tyres (225/40R18) Tyres

Nokian Z G2 (225/40R18 front and 245/40R18 rear ) Nokian Hakkapeliitta 7 studded tyres (225/40R18) Systems and Layout

E-RA Appearances

Automotive X-Prize Michigan 2010, 2 nd place

Challenge Bibendum Berlin 2011 Winner: EV rally + Design Award

Le Mans vers le Futur 24 Heures du Mans 2011

e-miglia km Transalp EV rally - 9 th

Nürburgring Nordschleife Road EV lap record :42,72 Driver: Ralf Kelleners

World’s fastest EV on ice Lake Inari, Finland km/h Driver: Janne Laitinen

Planned next Demo for 10 min fast charging Development of a heat pump for car use Further development for the electric motors and the inverters Further development for the control system

Contact Sami Ruotsalainen Project Leader and Chief Engineer Helsinki Metropolia University of Applied Sciences Automotive and Transport Sami Ruotsalainen Project Leader and Chief Engineer Helsinki Metropolia University of Applied Sciences Automotive and Transport

Partners A-Katsastus AeroVironment AEZ Audi Finland Axco-Motors Bayermann Recaro Bender GmbH Bodycote Bosch Engineering Brusa Elektronik Centrafuse Colornet Componeering Datalex Diagno Digia QT Commercial Diarc Elektrobit Automotive Engys Ensto Electric Fevt Finnish Cultural Foundation Finnish Funding Agency for Technology and Innovation Finnsco Flexible Products Flinkenberg Fortum Henry Fordin Säätiö Idesco ITW Plexus IWS International JJ-Tuonti Kaha Keraplast KhreliX Design Lahti University of Applied Sciences Lappeenranta University of Technology Meca-Trade Nemko Nokian Tyres Patria Land & Armanent Penny&Giles Pilkington Automotive PKC Group Prinel Rallysystems RM Michaelides Software & Elektronik GmbH & TireCom Ruukki Sandvik Mining and Construction Sarlin Race Team Savo Consortium for Education Scan Mould Schaeffler Finland Seemoto Semikron Sheet Metal Innovations Sika Finland Sika Tooling & Composites Simtools GmbH Simulia Finland St1 Southern Illinois University Carbondale Suomen Taksidata Taipale Automotive Technology Industries of Finland Centennial Foundation Tele-Exxi Test World Tesveka Tuneko Ltd Tyco Electronics US-Parts Finn-Am Unilink Oy Vacon Valmet Automotive Visedo VTI Technologies Wela YTM-Industrial Örum WinNova Lasepro

Videos 1.RaceAbout 2.Inside RaceAbout 3.Combined Performance and Efficiency 4.Accelerating the future 5.Challenge Bibendum e-miglia Nürburgring Nordschleife lap record 8.Ice speed record