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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

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project objectives
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 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
e ra specification
E-RA Specification
  • Performance
    • Total motor power 282 kW (383 bhp)
    • Acceleration 0-100 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 fibermonocoque
  • Advanced, next generation stability control
  • Optimal weight distribution & very low centre of gravity
  • 2 Seats & 100 l of cargo space
powertrain
Powertrain
  • Four wheel direct drive
  • 4 inboardelectricmotorsmanufacturedby
  • AXCO-Motors Oy
  • 4 invertersfrom
  • SemikronGmbH / Visedo Oy
  • Total efficiency ~80 %
  • Advanced, next generation
  • stability control
motors
Motors
  • PermanentMagnetSynchronous Motor with saliency
  • Designedjointly with
  • Lappeenranta University of Technology
  • 250 Nmnominal / 800 Nmpeaktorque
    • Availablefrom 0 to 1800 rpm
  • Water/aircooled
  • Direct drivethroughdriveshafts

→ No need for gearsordifferential

  • Weight ~50 kg / motor
batteries
Batteries
  • 286 AltairnanoLithium-Titanate cells (50 Ah each @ 2.3 V) in 143s2p configuration
  • Capacity 33 kWh
  • Voltage 243 – 415 V
  • Power 200 kW continuous, 330 kW (10s)
  • Fastchargingcapability (10mins @ 250 kW)
  • Weight620 kg (1.6 kg/cell)
  • Eachcellmonitored and the wholesystembalanced
  • Operating temperature -60 - 75°C
  • Charge temperature -50 - 75°C
  • Lifetime ~5 000 cycles
charging
Charging
  • Built in Charger (Brusa NLG5)
    • Power 3.3 kW
    • Mains connection 230 V / 16A
    • Charging time ~ 10 h
    • Efficiency ~ 91 %
  • Fast Charger (AeroVironment EV250)
    • Power 3 - 250 kW
    • Mains connection 3ph 480 - 600 V
    • Charging time ~ 10 min
    • Efficiency ~ 90 %
body and chassis
Body and Chassis
  • 24 carbonfibrecompositepartsbondedtogether to form E-RA monocoque
  • Selfsupportingstructure
  • BIW weight ~150 kg
  • Torsionalstiffnesssimilar to today’sproductionvehicles (>14 000 Nm / deg)
  • Audi R8 brakes and suspension
tyres
Tyres
  • Nokian Z G2 (225/40R18 front and 245/40R18 rear )
  • Nokian Hakkapeliitta 7 studdedtyres (225/40R18)
planned next
Plannednext
  • 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
Contact
  • Sami Ruotsalainen
  • Project Leader and Chief Engineer
  • Helsinki Metropolia University of Applied Sciences
  • Automotive and Transport Engineering
  • [email protected]

www.raceabout.fi/era

partners
Patria Land & Armanent

Penny&Giles

Pilkington Automotive

PKC Group

Prinel

Rallysystems

RM Michaelides Software & ElektronikGmbH & TireCom

Ruukki

Sandvik Mining and Construction

SarlinRaceTeam

Savo Consortium for Education

ScanMould

Schaeffler Finland

Seemoto

Semikron

SheetMetalInnovations

Sika Finland

Sika Tooling & Composites

SimtoolsGmbH

Simulia Finland

St1

Southern Illinois UniversityCarbondale

Suomen Taksidata

Taipale Automotive

Technology Industries of Finland Centennial Foundation

Tele-Exxi

Test World

Tesveka

Tuneko Ltd

Tyco Electronics

US-PartsFinn-Am

Unilink Oy

Vacon

Valmet Automotive

Visedo

VTI Technologies

Wela

YTM-Industrial

Örum

WinNovaLasepro

Partners
  • A-Katsastus
  • AeroVironment
  • AEZ
  • Audi Finland
  • Axco-Motors
  • BayermannRecaro
  • BenderGmbH
  • Bodycote
  • Bosch Engineering
  • BrusaElektronik
  • Centrafuse
  • Colornet
  • Componeering
  • Datalex
  • Diagno
  • DigiaQT Commercial
  • Diarc
  • Elektrobit Automotive
  • Engys
  • Ensto Electric
  • Fevt
  • FinnishCulturalFoundation
  • 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
videos
Videos
  • RaceAbout
    • http://www.youtube.com/user/progautoxp#p/u/28/UPcU3e3qzBY
  • Inside RaceAbout
    • http://www.youtube.com/user/progautoxp#p/u/37/3nPiR3wZep4
  • Combined Performance and Efficiency
    • http://www.youtube.com/user/progautoxp#p/u/35/T3tooDtKjVk
  • Accelerating the future
    • http://www.youtube.com/user/progautoxp#p/u/8/y26iwAnmEGM
  • Challenge Bibendum 2011
    • http://www.youtube.com/user/ElectricRaceAbout#p/a/u/0/tvYsYrECJtk
  • e-miglia 2011
    • http://www.youtube.com/watch?v=JfDq1ssgkvo
  • NürburgringNordschleifelaprecord
    • http://www.youtube.com/user/ElectricRaceAbout#p/a/u/0/TGob7Gs44ZA
  • Ice speedrecord
    • http://www.youtube.com/watch?v=OsqTltpP52w
    • http://www.youtube.com/watch?v=Ix8TN4jMAeo
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