Building a Solar Car

 

Anne E. B. Specs

Solar Panel

820 BP Solar Mono-Crystalline Solar Cells

17% Mfgr. Cell Efficiency (Third Party Tested at 15%)

12% Panel Efficiency

1000 Watt Peak Power with voltage range of 100 (with MPPT) or 205 volts (MPPT bypassed)

4 Student Designed & Built Maximum Power Point Trackers (microprocessor controlled)

Average Power (direct Sunlight) 900W

Maximum Observed Power (MPPT bypass) 1360W
66 kph (41 mph) on 1000 W of Panel Power


Batteries

12 U1 DieHard Batteries in Series for 144V Bus - 4900 Kwh

33 Ahr with a total weight of 113.4 kg (250 lb) 165 mile average daily range (Designed)


Motor

Solectria 8 kW (11 HP) Brushless DC 3 phase

94% Efficient at 6000 RPM with Solectria BRLS240H MOSFET Controller

Maximum Speed Estimated at 105 km/h (65 MPH) Blower Cooling


Wheels\Tires

50 cm (20") RL-Edge Racing Tires, 100 PSI

Student Designed & Built Machined Billet Aluminum Wheels

Weight = 352 kg (775 lb) without driver


Dimensions

Length: 6 m (19.69 ft) Width: 2 m (6.6 ft) Height: 1.1 m (3.61 ft)

Clearance: 0.30 m (.98 ft) Wheelbase: 2.5 m (8.2 ft)

Track Width: Front - 1.5 m (4.9 ft) Rear - 1.6 m (5.25 ft)


Brakes, Suspension & Steering

3 Wheel disc with regenerative braking

Double Wish Bone Front Suspension and Independent Trailing Arm Rear

Chain to Rack & Pinion Steering

Risse Racing Tech gas shocks

Suzuki ATV Hydraulic disk front & back brakes + Regen on Left Rear

Single Reduction Chain, 7/1 ratio


Chassis

Thin-wall 4130 Cr-Mo steel tubing with rear Kevlar & Foam monocoque body


Aerodynamic Specs

Drag Coefficient, Cd = 0.17 (EDS computer simulation)

Frontal Area, A = 1.0 sq. meters


How Solar Cells WorkSolar_Cells.html
Our Current CarSolar_Car.html
Solar Car Racinghttp://www.americansolarchallenge.org/
Anne EB Specs
Our Previous Car: Anne EBPrevious_Solar_Car.html