Los Altos Academy of Engineering

Solar Shadow

Solar Shadow Image

Designed and Constructed: 1996
Competed in: World Solar Challenge (Australia, 1996); Winston Solar Challenge (1997)

Check out the Solar Shadow series photo gallery by clicking here.



Specifications

Dimensions
Length: 179 inches
Width: 68 inches
Height: 40 inches

Weight
750 lb. (with battery)
with driver: 925 lb.

Frame
Chassis: Dual Layer Nomex Honeycomb Core Material
- Carbon Fiber: Stiff Support
- Kevlar: Outer Skin / Insulation.

Suspension
Mono Shock Setup -
Work Performance Shocks
- Front: Modified Dual A-Arm
- Rear: Swing Arm: Dual Wheel
Array Substructure
- Fiberglass
- Carbon Fiber

Brakes

Primary and Secondary Hydraulic Disk Brakes

Motor

Solectra DC Brush Type Permanent Magnet Motor
- 85% Efficiency
- Rated Power 3hp
- Maximum Power 12hp

Speed Control
Average speed: 25-30 mph
Top speed: 40 mph

Batteries
8 GNB EV-500 lead-acid 12 Volt
3.4 Wh discharge at 5hrs
34.5 per battery

Wheels
20 inch ACS brand BMX Tires at 100 psi

Efficiency
Average efficiency is 14.25% of sunlight converted to energy
- 14.5% efficient polycrystalline solar cells
- 14% efficient monocrystalline solar cells
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