Aurora³

• Measured Top Speed of 78 mph (124.8 kph)
• Holder of Top Speed at Indianapolis Motor Speedway for a solar car 63 mph (100.8 kph)

General Data

Length: 18.4 ft (5.6 m)

Width: 6.3 ft (1.9 m)

Height: 3.3 ft (1.0 m)

Wheelbase: 8.2 ft (2.51 m)

Trackwidth: 4.5 ft (1.37 m)

Clearance: X.XX ft (X.XX m)

Weight:

• 349 lbs (158 kg) w/o driver and batteries
• 659 lbs (299 kg) w/o driver
• 835 lbs (379 kg) w driver

CdA: 0.844 ft2 (0.0784 m2)

Cd: 0.08(CFD Prediction)

Frontal Area(A):

10.55 ft2 (0.98 m2)

Wheels: 3

Number of Flats: 0

Tires:

• New Generation Motors wheels
• 2.25 in x 14 in ( 5.7 cm x 36 cm) Bridgestone Ecopia EV tires

Crr: 0.0050

Removable Body Parts:

• 1 solar array/upper body
• Composite sandwich structure of Kevlar/Carbon Fiber with Nomex and Polyurethane foam core.
• Prefabricated Graphite panels were used as stiffners and to tie the top and bottom body surfaces of the car together.

Canopy:

• Bubble style, custom manufactured canopy via vacuum forming.

Controls and Instruments:

• Foot actuated throttle and brakes
• Cruise control
• Bicycle style speedometer/odometer
• All other vehicle data monitored via telemetry to support vehicle

Mechanical

Brakes:

• Dual front hydraulically actuated disc brakes with braided lines for safety.
• Front discs are custom manufactured from 6061 aluminum
• Secondary braking is provided by bicycle style brake on rear wheel
• Regenerative braking on rear wheel, with a Mountain bike V-brake

Front Suspension:

• Double A-arms with air/oil spring damper.
• Linkage design incorporates zero bump steer and advanced zero scrub geometry.

Rear Suspension:

• Hybrid double A-arm/trailing arm made of Chrome-moly with air/oil spring damper. The single rear wheel is supported on one side for quick release and wheel changes. Shock mount is integrated with the roll bar support. The motor is mounted to the lower arm.

Steering:

• Rack and pinion steering with postive steering stops. Custom quick release composite steering wheel with a magnesium steering shaft and adjustable Ackerman angle.

Chassis:

• Fiberglass/Nomex sandwich composite panels were used to assemble a monocoque structure reinforced with Kevlar tape, and an Aluminum roll cage.
• Battery enclosures, electronic enclosures, roll bar and vehicle belly pan are integral structural members.
• Frame is nonconductive for driver safety.

Transmission:

• Not present with the New Generation Motors, as it drives the rear wheel directly

Electrical

Motor:

• New Generation Motors
• 6.5 kW (8.7 hp) rated, 9kW max, 2000 RPM
• 84 volts
• 93% efficient
• 95% peak efficiency
• 35 lbs (16 kg)

Controller:

• New Generation Motors Controller
• 95% efficient
• 99% peak efficiency
• XX lbs (X.X kg)

Solar Cells/Array:

• ASE Americas, Monocrystalline Silicon
• 767 cells
• 14% single cell rated efficiency
• XX% overall panel efficiency
• 3 facets on the top

Panel Voltage:

• 118 Volts provided by the top array

Type of Panel:

• Total array area is split into three facets, total area is XX.XX ft2 (X.X m2)
• Array was encapsulated Dow Corning's Conformal coating.

Power Trackers:

• 3 AERL peak power trackers, 1 lbs (0.45 kg)
• 98% efficient
• 99% peak efficiency

Sunrayce 97 Race Data

Batteries:

• Delphi Automotive Systems, 7 batteries
• 5000 Whr at C/5, 60 Ahr
• 293 lbs (133 kg)

Race Awards:

Daily Awards

• 1st Place: 7/26
• 2st Place: 7/25
• 3st Place: 7/22

Time: 36:37:55 hours

Average Speed: 33.91 m.p.h. (54.57 kph)

Day Finished Before 6:30 p.m.: 8

Total Distance Travelled: 1,167.1 miles (1878 km)

Overall Position: 11

Qualifying Speed: XX.XX m.p.h (XX.XX kph)

Qualifying Distance: 132.98 miles (214 km)

Qualifying Position: 10th

Average Race Speed: 33.91 m.p.h. (54.57 kph)

Best Daily Average Speed: 48.4 m.p.h. (77.9 kph)

Maximum Instateous Power During Race: 1100 Watts

Solar Power on a Sunny Dat at High Noon: XXX Watts

Average Solar Power while on the road: XXX Watts

Speed on XXX Watts of Panel Power: XX mph (XX kph)

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