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Car Construction

Car Construction
Newly formed Spark Racing Technology, based in France and led by the experienced Frédéric Vasseur, will build a total of 42 SRT_01E cars for the first season of the FIA Formula E Championship.

Powertrain & Electronics

Powertrain & Electronics
World leading McLaren Electronic Systems will supply the electronics for the SRT_01E in addition to the powertrain.

Systems Integration

Systems Integration
Systems integration will be carried out by Official Technical Partner Renault, a leader in electric vehicles and an expert in motorsport thanks to its Renault Sport Technologies and Renault Sport F1 programmes.

Battery Design

Battery Design
Williams Advanced Engineering, part of the Williams group of companies that includes the world famous Williams F1 Team, will supply the batteries for the SRT_01E producing 200kw, the equivalent of 270bhp.


Monocoque chassis designed and constructed by leading Italian firm Dallara. Made from carbon fibre and aluminium, the chassis is both super lightweight and incredibly strong and fully complies with the 2014 FIA crash tests - the same used to regulate Formula One.


All SRT_01E cars will be fitted with bespoke 18" treaded tyres specially designed by Michelin for use in both wet and dry condtions. Drivers will receive three sets to cover both their cars for a full race day with the tyres themselves providing high durability in all weather conditions and surfaces.




  • Aerodynamics optimised to facilitate overtaking
  • High ride height sensitivity and wide range of suspension set up possibilities to tackle the city centre streets
  • Cost effectiveness
  • Compliant to FIA safety regulations


  • Use of latest technology, pushing the boundaries for the future
  • Compromise between performance and cost effectiveness wherever possible
  • Extensive use of composite materials but limited usage of the most expensive carbon fibres


  • Overall length: 5000mm (max)
  • Overall width: 1800mm (max)
  • Overall height: 1250mm (max)
  • Track width: 1300mm (min)
  • Ride Height: 75mm (max)
  • Minimum weight (inc driver): 888kg (batteries 320kg)


  • Maximum power: 200kw, equivalent to 270bhp
  • Race mode (power-saving): 170kw, equivalent to 228bhp
  • FanBoost (race-only): The three winning FanBoost drivers each receive an extra 100kJ of energy to be used in a power window between 180kW and 200kW

Maximum power will be available during practice and qualifying sessions. During races, power-saving mode will apply with the FanBoost system temporarily allowing maximum power for a limited time of 5 secs per car.

The amount of energy that can be delivered to the MGU by the RESS is limited to 28kwh. This will be permanently monitored by the FIA.


  • Acceleration: 0 - 100 km/h (0-62mph) in 3 secs
  • Maximum speed: 225 km/h (140mph)

Power unit

  • MGU by McLaren
  • Maximum of two MGU's allowed
  • MGU's must be linked only to the rear axle
  • The use of traction control is forbidden

Traction battery

  • The traction battery is a Rechargeable Energy Storage System (RESS) and supplies electric energy to the Power Circuit and thus to the traction motor. Any onboard battery electrically connected to the Power Circuit is considered to be an integral part of the vehicle's traction battery


  • A Rechargeable Energy Storage System (RESS) is a system that is designed to propel the car via the electric motor. In order to comply they must be:
    - FIA Standard
    - The maximum weight of the Battery Cells and/or Capacitor of the RESS must not be higher than 200kgs
    - All Battery Cells must be certified to UN Transportation Standards as a minimum requirement


  • Chassis / Survival cell - Carbon/aluminium honeycomb structure made by Dallara
  • Front and rear wing - Carbon structures and Aero styling by Dallara
  • Bodywork - Carbon - Kevlar honeycomb structures made by Dallara


  • Hewland paddle-shift five-speed sequential gearbox
  • Fixed gear ratios to reduce costs


  • Standard two separate Hydraulic systems, operated by the same pedal
  • Brake material is free choice
  • Calipers; the section of each caliper piston must be circular
    The body of the callipers must be made from aluminium alloy

Wheels & tyres

  • Bespoke 18" treaded Michelin tyres for use on both wet and dry conditions/surfaces
  • Championship specific wheel dimensions
  • O.Z. Racing Magnesium rims. Max width front - 260mm / rear 305mm. Max Diameter - front 650mm / rear 690mm


  • McLaren Electronics ECU/GCU including data logging system
  • Power supply management unit
  • CAN data acquisition pre-equipment
  • FIA Marshalling system
  • Beacon receiver
  • Telemetry is not permitted


  • Double steel wishbones, pushrod operated, twin dampers and torsion bars suspension (front) and spring suspension (rear)
  • Adjustable ride height, camber and toe
  • Two way (front) / Four way (rear) adjustable Koni dampers
  • Adjustable anti-roll bar (front/rear)

Steering system

  • Non assisted rack and pinion steering system (power assistance is allowed)
  • Steering wheel with dashboard, marshalling display, gear change and clutch paddles


  • FIA safety standards including: front, side, rear and steering column impact tests
  • Front and rear roll hoop, impact structures and monocoque push tests
  • Anti-intrusion survival cell protection panels
  • Wheel retainer safety cables
  • Extinguisher system (electronically operated)