Combustion

The first steps of our long Formula Student history were made with combustion vehicles.

The first vehicle started in 2002.

2013

eac10

Technical innovations

  • Monocoque
    Thanks to the prepreg monocoque, the eac10 is significantly lighter than the eac09.
  • Underbody
    For the first time an underbody was used on the eac10
  • Engine
    Famous for its sound, we were able to further increase the power of the engine.

Electrics

  • Display: LED speed indicator & gear indicator
  • Engine control: MS 5.0 (Bosch)
  • Data logger: C50 (Bosch)
  • self developed "Fusebox", which switches channels and monitors currents

Frame

  • two-part frame construction; monocoque and rearframe made of CFRP
  • Weight: 22.8 kg including roll bar
  • Fibers: Torayca M40 J
  • Sandwich material: aluminum honeycomb, Rohacell 51 WF
  • Lamination process: Prepreg
  • Crash element: aluminum honeycomb

Chassis

  • Wheelbase: 1600mm
  • Track width: 1250 VA; 1200 HA
  • Carbon fiber double triangle wishbone
  • Pushrod wheel suspension
  • 4 external brake discs
  • Tires: Hoosier R25B 20.5×7-13

Drivetrain

  • Engine: Kawasaki ZX600R-9F
  • Displacement: 599.4cc
  • Bore / stroke / cylinder 67mm / 42,5mm / 4
  • Throttle element: throttle slide
  • Fuel type: RON 98
  • Max. Power (@rpm): 66 kW @12000
  • Max. Torque (@rpm): 60Nm @10500
  • Engine control: MS 5.0 (Bosch)
  • Oil system: Dry sump
  • Differential: Drexler Limited Slip
  • Drive type: Chain

2013

2012

eac09

Electrics

  • Display: DDU7 (Bosch)
  • Engine control: MS 5.0 (Bosch)
  • Fusebox: self-developed "Fusebox", which switches channels and monitors currents
  • Microcontroller: self-developed microcontroller boxes to evaluate different sensors

Frame

  • Weight monocoque: 20.7 kg
  • fibers: UMS & IMS
  • Sandwich material: Rohacell 71 IGF
  • Lamination process: Wet laminate
  • Crash element: Aluminum honeycomb

Chassis

  • Wheelbase: 1600 mm
  • track width: 1250 VA; 1200 HA
  • Carbon fiber double triangular wishbones
  • Pushrod suspension on front and rear axle
  • Bilstein dampers with H&R springs
  • Hollow cast aluminum wheel carriers
  • Hoosier R25B 20.5×7.0-13 tires
  • ISR 4-piston calipers front and rear
  • Steering with bevel gear reversing and progressive rack and pinion

Drivetrain

  • Engine: Kawasaki ZX600R-9F
  • Bore/Stroke/Cylinder/Capacity: 67mm/42.5mm/4/599.4cc
  • Throttle element: throttle valve
  • Fuel type: RON 98
  • Max. Power: 86 HP @ 11500
  • Max. Torque: 56 Nm @ 10500
  • Fuel injection: Self-developed injection system
  • Engine control: Bosch MS 5.0
  • Oil system: Self-developed dry sump

2011

eac08

Technical data

  • Year of manufacture: 2011
  • Engine: 4-cylinder engine (Kawasaki ZX600R-9F), 600ccm, 82HP
  • Transmission: 5-speed manual
  • Wheelbase: 1600mm
  • Weight: 221kg

2011

2010

eac07

Technical data

  • Year of manufacture: 2010
  • Engine: 4-cylinder engine (Suzuki GSX-R), 600ccm, 95HP
  • Transmission: 4-speed manual
  • Wheelbase: 1598mm
  • Weight: 250kg

Highlights

  • Self-developed driver interface
  • Multi-link axle with mono-damper system on front end
  • Hybrid construction with self-laminated monocoque (wet lamination)
  • Hydraulically actuated gearshift
  • Self-developed camshafts
  • Microcontroller-controlled, power electronic fuse box with CAN connection

2009

eac06

Technical data

  • Year of manufacture: 2009
  • Engine: 4-cylinder engine (Suzuki GSX-R), 600ccm, 80HP
  • Transmission: 4-speed manual
  • Wheelbase: 1638mm
  • Weight: 251kg

Highlights

  • Self-developed driver interface
  • Charge change simulation
  • Hydraulically actuated gearshift
  • Multi-link front axle
  • Mono-damper system on the front axle

2009

2008

eac05

Technical data

  • Year of manufacture: 2008
  • Engine: 4-cylinder engine (Suzuki GSX-R), 600ccm, 73HP
  • Transmission: 6-speed manual
  • Wheelbase: 1760mm
  • Weight: 278kg

Highlights

  • Electronically actuated gearshift
  • Multi-link front axle
  • Monoshock system on front axle
  • Self-laminated CFRP monocoque
  • Stainless steel rear frame

2007

eac04

Technical data

  • Year of manufacture: 2007
  • Engine: 3-cylinder engine (Mahle v1K), 609ccm, 86HP
  • Gearbox: CVT as bevel-ring gearbox
  • Wheelbase: 1650mm
  • Weight: 321kg

Highlights

  • Engine specially developed for the racing series (Mahle International GmbH)
  • Power increase by compressor
  • Stepless prototype transmission (Gesellschaft für Industrieforschung mbH)
  • Multi-link axle on front end
  • Monoshock system on front axle
  • Self-laminated CFRP monocque

2007

2005

eac03

Technical data

  • Year of manufacture: 2005
  • Engine: 3-cylinder engine (Mahle v1), 609ccm, 81HP
  • Gearbox: CVT as bevel-ring gearbox
  • Wheelbase: 1758mm
  • Weight: 352kg


Highlights

  • Engine specially developed for racing series (Mahle International GmbH)
  • Continuously variable prototype transmission (Gesellschaft für Industrieforschung mbH)
  • Self-laminated CFRP monocoque

2003

eac02

Technical data

  • Year of manufacture: 2003
  • Engine: 3-cylinder engine (Mahle v0), 609ccm, 81HP
  • Gearbox: CVT as bevel-ring gearbox
  • Weight: 368kg


Highlights

  • Engine specially developed for racing series (Mahle International GmbH)
  • Continuously variable prototype transmission (Gesellschaft für Industrieforschung mbH)
  • Self-laminated CFRP monocoque
  • Partial CFRP rear frame

2003

2000

eac01

Technical data

  • Year of manufacture: 2000
  • Engine: 4-cylinder engine (Suzuki GSX-R), 600ccm, 70 HP
  • Transmission: 6-speed manual
  • Wheelbase: 1850mm
  • Weight: 454kg

Highlights

  • Turbocharged
  • Automatic shift actuator
  • First crash test of a Formula Student car
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