Los Altos Academy of Engineering

Cool Runnings

Cool Runnings Image

Designed and Constructed: 1994-1995
First Race: Winston Solar Challenge at Dallas, Texas - July 1995

Check out the Cool Runnings photo gallery by clicking here.



Specifications

Vehicle Type
Solar-powered racer with supplemental battery storage

Dimensions

Length: 19 ft, 4 in.
Width: 4 ft, 0 in.
Height: 3 ft, 9 in.

Weight
Estimated: Vehicle + driver = 900 lbs

Frame

Size of tubing: ¾ and 1 inches .065 walls
Type of tube: Mild steel

Suspension

MacPherson struts (Polaris) in front and one back A-arm (LASV Fabrication) in the rear.

Motor
Type: Solectria Brush Permanent
Magnet Rated Power: 3Hp
Max Power: 4Hp
Efficiency: 85%

Brakes
Primary: Hydraulic Disc (Polaris ATV)
Secondary: Regenerative Brakes (Solectria)

Solar Array
Size (Main Array): 8 sq. meters
Max Output: 700 watts
Composition: 608 silicon solar cells (Solec International)
12% Efficiency

Batteries

Type: AC Delco Remy Gel Cell
Quantity: 6 batteries
Voltage: 72 Volt
System Weight: 246 lbs (119 kg)

Chassis

3/4 steel inch tubing with 0.068 wall

Tires

Standard: 20-in. / 85 PSI / ACS brand
Optional: 26-in. / 85 PSI / ACS brand

Performance

Max. speed: Solar + Battery powered = 50 mph (80 km/h)
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