1.89 m (6.20 ft) Clearance: 0.45 m (1.48 ft) Wheels and Tires: 36 spoke, 43.18 cm (17 in.) wheels with spoke covers; Michelin 43.18 x 3.18 cm (17 x 1.25 in.) slick tires @ 150 psi Number of wheels: 4 Est. Tire Rolling Resistance Coefficient: 0.0060 Brakes, Suspension, and Steering: Hydraulic motorcycle disk front brakes No emergency brake (used chocks) Custom titanium suspension parts. Modified MacPherson strut with Monroe custom shocks in front, 86 lbf/in (15.1 N/mm). Separate coil spring. Trailing arm rear, with 236 lbf/in (41.3 N/mm) coil over shocks Rack and pinion steering with two redundant push-pull cables Transmission: Direct drive chain to rear wheel 2.06/1 ratio typical Electronics: Motor: Custom Magnetek DC brushless, 1.8 kW rated, 3.7 kW max, 2250 RPM, 100 volts, 14.5 kg (32 lb), 93% efficient at operating power level, 95% peak efficiency. Blower cooling Controls and Instrumentation: Constant power / constant speed motor controller. Telemetry of voltages, currents, temperatures, and speed to chase van Batteries: Eagle Picher, 3 parallel packs, 96 volts, 4.8 kW·h, 54 A·h, 154 kg (340 lb) Solar Cells: Type of Solar Panel: Fixed panel with eight gently curved facets 8 facets of 3 modules each BP Solar Saturn Cells, Laser grooved, Monocrystaline Silicon, 7615 cells, 90% area packing, 17% single cell rated efficiency, 16.3% mean single cell observed efficiency measured at TRW in Redondo Beach, CA. Average was for 8000 cells processed. Overall panel efficiency 14.5%, 1300 watts peak. Note that for the World Solar Challenge approximately 40% of the array of BP cells was replaced with higher efficiency silicon cells manufactured by Dr. Martin Green at the University of New South Wales 8 AERL peak power trackers Panel voltage: 130 volts Press Maize & Blue and the team received prominent press coverage and recognition including: The University Record July 19, 1993, by the Regents of the University of Michigan Australian Broadcasting Corporation November 7, 1993 Popular Mechanics September 1993, page 104 CNN Early Prime, June 20, 1993, 3:25PM, (0:30) CNN Headline News, June 27, 1993, 5:57PM, (0:25) CBS This Morning, June 23, 1993, 8:33AM, (4:00) NBC Saturday Today, June 5, 1993, 7:50AM, (1:30) Fox KSHB-41, Kansas City, June 23, 1993, 10AM Live, (15:30) PBS Scientific Frontiers hosted by Alan Alda, November 3, 1993, (20:00) Michigan Today, October 1993, Volume 25, Number 3, Cover Story Ann Arbor News Sunday Edition, April 11, 1993, page C1 Ann Arbor News April