QUICK LINKS Today's News News releases ISU homepage NEWS RELEASE 4-23-03 Contacts: Eric Christensen, Team PrISUm, (515) 294-0899 Skip Derra, News Service, (515) 294-4917 PRISUM SPECTRUM VEHICLE SPECIFICATIONS Project cost: $400,000 Length: 16.4 ft (5 m) Width: 6 ft (1.8 m) Weight: Approximately 600 lbs (273 kg), including driver Speed: Approximately 70 mph Solar cells: 2,600 cells at 19.3 percent efficiency Batteries: 200 lithium-ion cells weighing 66 lbs (30 kg) Battery capacities: 90 V with a storage capacity of 48 Ahr (4.32 kWhr) Motor: Brushless DC supplied, 17 hp in-hub, three-phase motor Chassis: Made of 6061 aluminum tubing. Computer tested to withstand front, rear, side and rollover impacts. Shell: Modified airfoil design, made of carbon fiber and Nomex honeycomb paper core composite Suspension: Double A-Arm on all 4 wheels, coil over pneumatic shocks Steering: Rack and pinion Telemetry: Radio modem telemetry, PIC microcontrollers -30- Ames, Iowa 50011, (515) 294-4111 Published by: University Relations, online@iastate.edu Copyright © 1995-2003, Iowa State University of Science and Technology. All rights reserved.