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Buying a car from a traditional lot and getting a bank loan aren’t always the only options. There are a number of programs, such as Vehicles for Change in Baltimore, MD, and Working Wheels in Seattle, WA, both highlighted in the documentary; and Ways to Work, with offices across the country, that help low-income workers achieve the goal of car ownership. | ELSEVIER JSAE Review 19 1998 343-349 Development of aerodynamics for a solar race car Hiroyuki Ozawa Sumio Nishikawa Dai Higashida aHonda R D Co. Ltd Tochigi R D Center Shimotakanezawa 4630 Haga-machi Haga-gun Tochigi 321-3393 Japan Honda R D Co. Ltd. Wako R D Center Chuou 1-4-1 Wako-shi Saitama 351-0193 Japan Received 14 November 1997 Abstract The dominant factor of a solar car is running resistance especially aerodynamic drag and the reduction of the c drag coefficient X A frontal projected area value is a crucial task to maximize the performance of a solar car. This paper will introduce the aerodynamic approach of the 96 Honda solar car which participated in the World Solar Challenge the world s top solar car race. 1998 Society of Automotive Engineers of Japan Inc. and Elsevier Science B.V. All rights reserved. 1. Introduction To alleviate environmental problems research and development is conducted throughout the world on automobiles that run on new energies. Promising new technologies for the future are automobiles like the solar cars that effectively utilize solar energy with solar cells. This paper reports on the aerodynamic development of the Honda 96 Dream that participated in the World Solar Challenge the largest solar car race in the world. This race well-known for its 3000 km long distance course is held every three years in Australia. 2. Contribution of aerodynamic properties of solar cars to overall performance Solar cars have a smaller amount of energy available compared to conventional internal combustion engine passenger vehicles and therefore solar car aerodynamic drag must be reduced to a very low level in order to have the same performance as conventional vehicles. As a result of aerodynamic development the Honda 96 Dream solar car requires only 1.62 kW 2.2 PS to cruise at 100 km h while a conventional vehicle with a CD drag coefficient value of 0.32 requires as much as 13.52 kW 18.4 PS as shown in Fig. 1. In other words only 12 of the driving .
