Project objectives
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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

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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)

    • Power3.3 kW

    • Mains connection230 V / 16A

    • Charging time~ 10 h

    • Efficiency ~ 91 %

  • Fast Charger (AeroVironment EV250)

    • Power3 - 250 kW

    • Mains connection3ph 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)


E ra appearances

E-RA Appearances


Automotive x prize michigan 2010 2 nd place

AutomotiveX-Prize Michigan 2010, 2ndplace


Challenge bibendum berlin 2011 winner ev rally design award

Challenge BibendumBerlin 2011Winner: EV rally + Design Award


Le mans vers le futur 24 h eures du mans 2011

Le Mansvers le Futur24 Heures du Mans 2011


E miglia 2011 800 km transalp ev rally 9 th

e-miglia 2011800 km Transalp EV rally- 9th


N rburgring nordschleife road ev lap record 14 9 2011

NürburgringNordschleifeRoad EV laprecord14.9.2011

8:42,72 Driver: Ralf Kelleners


World s fastest ev on ice lake inari finland 17 3 2012

World’sfastest EV on iceLake Inari, Finland 17.3.2012

252.09 km/hDriver: Janne Laitinen


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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