Aurora-I Specifications

Aurora-I design received the Society of Automotive Engineers(SAE) `Design Excellence in Engineering Safety' Award

General Data:

Length: 19.49 ft (5.94 m)
Width: 6.4 ft (1.98 m)
Height: 4.9 ft (1.5 m)
Wheelbase: 7.9 ft (2.4 m)
Trackwidth: 5.9 ft (1.8 m)
Clearance: 0.49 ft (0.15 m)
Weight:
655 lbs (297 kg) w/o driver and batteries
831 lbs (377 kg) w/o driver
1007 lbs (457 kg) w driver
CdA: 3.02 ft2 (0.28 m2)
Cd: 0.18
Frontal Area(A):
16.96 ft2 (1.57 m2)
Wheels: 4
Number of Flats: 0
Tires:
48 spoke, 26 inch (66 cm) wheels with spoke covers.
Avocet Fasgrip City 26 x 1.9 inch (66 x 4.8 cm) slick tires @ 85 psi
Crr: 0.0050
Removable Body Parts:
3 array panels
3 canopy covers
Parts made from S-glass/Nomex
Controls and Instruments:
Display of :
Buss voltage
Solar Panel Current
Battery Current
Motor Current
Speed and distance
Battery Amp-Hour

Mechanical:

Brakes:
Polaris hydraulic disk brakes on 3 wheels
Regenerative braking on fourth wheel
7075 aluminum disks with titanium coating
Front Suspension:
Double trailing arms with coil over shocks
Rear Suspension:
Single trailing arms with coil over shocks
Steering:
Rack and pinion steering with adjustable Akerman angles
Chassis:
Monocoque frame
Carbon/Nomex undertunnel
Transmission:
Parallel/Series motor switch gives 2/1 speed reduction
Double reduction cog belt to motor, 3/8 inch pitch chain to rear wheel
Fixed gears

Electrical:

Motor:
Solectria BRLSH DC Brushless
7.5 kW rated, 15kW max, 6000 RPM
96 volts
90% efficient
95% peak efficiency
47.8 lbs (21.7 kg)
Controller:
Solectria BRLS100H
96% efficient
99% peak efficiency
12 lbs (5.5 kg)
Solar Cells/Array:
Siemens Monocrystalline Silicon Solar Cells
1048 cells
15% single cell rated efficiency
13% overall panel efficiency
10 parallel strings on 5 planar or gently warped facets
Power Trackers:
3 Solectria MPT150HN, 5.3 lbs (2.4 kg)
2 Solectria MPT150, 1.75 lbs (0.80 kg)
95% efficient
98% peak efficiency