QUICK LINKS Today's News News releases ISU homepage NEWS RELEASE 07-03-03 Contacts: Sarah Shay, Team PrISUm, (402) 290-4952 mobile or (515) 294-0899 Bridget Bailey, News Service, (515) 294-6881 Annette Hacker, News Service, (515) 294-3720 PRISUM SPECTRUM VEHICLE SPECIFICATIONS Project cost: $390,000; $300,000 in-kind donations, $90,000 cash Length: 16.4 ft. (5 m) Width: 6 ft. (1.8 m) Weight: Approximately 711 lbs., including driver Speed: Approximately 70 mph Solar cells: 2,592 cells at 19.3 percent efficiency Batteries: 486 lithium-ion cells weighing 66 lbs (30 kg) Battery capacities: 109 V with a storage capacity of 58 Ahr (5 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: Horizontally mounted wheel, 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.