Keeping up with the competition means constantly improving, striving for a continuous process of innovation and control, and all the while setting the performance bar higher and higher. For American racing, this means increasing performance on the one hand, and complying with the rules of the North American Solar Challenge (NASC) on the other.

The 6 m2 large solar generator is removed, disassembled, and the individual cells inspected and sorted according to their power. A repositioning of the cells ensures that their power is adjusted to the irradiation conditions of American sunlight. At the same time, the all-weather capability of SolarWorld No.1 must be assured; i.e. the leads to each cell must be sealed and all electronics must be protected from any water that might seep in. Attaching a windshield wiper must also be considered.

The lithium ion rechargeable batteries receive a new management system and will from now on be actively cooled. In order to comply with the American safety requirements, the roll-over bar must be strengthened and the mechanism for driver entry optimized so that the driver can exit the vehicle is less than 10 seconds. A yellow signal lamp on the roof will improve safety in moving traffic.

Finally, even the sound of SolarWorldNo.1 will be improved: the regulations require a louder horn. Thus, the Racer will also be quite audible at greater distances.

Length	5 m
Width	1,80 m
Weight	200 kg
Solar cells	6 m²
Maximum speed	~ 120 km/h
Average speed over a distance of 3.000 kilometers	~ 85 km/h

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