Aurora 4 Technical Specifications 


  Weight (includes driver): 720 lbs [326 kg]
  Weight (w/out driver): 544 lbs [247 kg]
  Weight of Batteries: 159 lbs [72 kg]
  Weight of Body and Solar Array: 385 lbs [175 kg]
  Weight of Driver: 176 lbs [79.8 kg] If less, lead shot is added.
  Weight Distribution:
     Front Wheels %
     Rear Wheels %
  Length: 17.6 ft [5.4 m]
  Width: 6.5 ft. [2.0 m]
  Height: 3.0 ft [0.9 m]
  Wheelbase: x.x ft [x.xx m]
  Track Width: x.x ft [x.xx m]
  Clearance: x.xx ft [x.xx m]
  Estimated Tire Rolling Resistance Coefficient (Crr):
  Frontal Area: xx.xx ft2 [x.xx m2]
  CdA: ft2 ( m2)
  Cd: x.xx (CFD Prediction)



  • Composite sandwich structure of Kevlar/Carbon fiber with Nomex and polyurethane foam core.
  • Prefabricated graphite panels were used as stiffeners and to tie the top and bottom body surfaces of the car together.



  • Bubble style, custom manufactured canopy via vacuum forming.


  • Materials: Composite monocoque made of fiberglass/Nomex panels reinforced with fiberglass tape.
  • Battery enclosures, electronic enclosures, and vehicle belly pan are integral composite structural members.
  • Aluminum roll cage and suspension components
  • Frame is nonconductive for drivers safety.

  Wheels and Tires:

  • 4 Wheels: Standard configuration
  • Material: 6061 Aluminum
  • Dimensions: Wheels: 14 in. [36 cm], Tires: 18.75 in. [47.6 cm]
  • Manufacturer: Wheels - NGM, Tires - Bridgestone Ecopia


  • Redundant system.
  • Dual front hydraulically actuated disc brakes with braided lines for safety.
  • Secondary braking is regenerative and provided by the motor.


  • Manufacturer: New Generation Motors (NGM)
  • Power: 8.7 hp [6.5 kW]
  • Weight: 35 lbs [16 kg]


  • Manufacturer: Ovonic Battery Company
  • Nominal Voltage: 96 V
  • Weight: 159 lbs [72 kg]

  Controls and Instrumentation:

  • Foot actuated throttle and brakes.
  • Cruise control.
  • Digital driver display: speedometer/pack voltage/draw.
  • Integrated LED console: turn signals, warning lights.
  • All other vehicle data monitored via telemetry to support vehicles.

  Solar Cells:

  • Manufacturer: ASE Americas
  • Number Used: 1900+ (after cutting)
  • Efficiency:

  Solar Array:

  • Peak Energy Generation: 1,200 Watts
  • Area: xx.xx ft2 [x.x m2]
  • Structure: 3D single surface array with advanced curvature
  • Protection: