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They hopefully will release some real world power consumption numbers. They seem to be capable of ~30Wh/mile, but now speed is specified, so it is probably fairly slow, like about 30MPH. Like all solar cars, they dance on the edge of consumption vs charging capacity. A little better aero could drop the consumption, and a few 100W more of charging capacity, and it would be fine.
The race rules seem to be all the charging has to come from the panels on the car. But if the battery pack was larger capacity and it had a plugin charger, then it might have enough reserve to push up a steeper grade and/or drive in lower light conditions, to make it far more practical?
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