Los Altos Academy of Engineering

Light Speed

Light Speed Image

Designed and Constructed: 1998
First Race: Solar BikeRayce USA, S-Class: May 1997 - Topeka, Kansas

Check out the Light Speed series photo gallery by clicking here.



Specifications

Dimensions
Length: 118 in. (300 cm)
Width: 36 in. (91.44 cm)
Height: 20 in. (50 cm)
Weight: 441 lbs (200 kg)

Solar Array
Manufacturer: Siemens
Model: Type I Cell Type: (Monocrystalline Power Tracker)
Number: 90 whole cells
Efficiency: 14.5%
Total Area: 0.967 m 1 Solectria 6 amp
Output: 135w peak, expected average of 108w

Batteries
Manufacturer: Panasonic
Model: LCR6V12P (16-6V batteries, 96V system)
Type: lead-acid
Capacity: 1.15 kWh discharge rate at 20 hr
Weight: 1.3 lbs per battery (0.6 kg)
Total weight: 21.2 lbs (9.6 kg)

Body
Composite construction vacuum bag wet lay-up process
- Carbon fiber (exterior)
- Plexiglas window shield
- Fiberglass/matt (interior): foam core

Weight
Bottom: 29 lbs (13 kg)
Top (solar): 23 lbs (10 kg)
Chassis: 3/4 in. mild steel round tube
0.05 wall

Motor
Manufacturer: Kollemorgen / Industrial Drive
Model: TM-2952-3133-B
Weight: 14.5 lbs (6.6 kg)
Power Output: 746 W
Maximum speed: 3600 rpm

Controller
Manufacturer: AERL
Type: Pulse Width Modulated DC Brush Motor Controller

Suspension
Front: Double rubber isolators
Rear: Single rubber isolators

Brakes
Manufacturer: Hayes mountain bike
Type: Dual Piston Hydraulic Disc Brakes (2)

Tires
Manufacturer: Bridgestone / Firestone
Type: Solar tires (3) at 120 PSI

Wheels

NewGen one-piece CNC-machined from aluminum billet

Performance

100 kilometers in 2 hrs 21 min: 1997 National Record for Solar BikeRayce S-Class
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