![Razz :P](./images/smilies/icon_razz.gif)
http://www.kreiselelectric.com/en/proje ... c-g-class/
"Efficient" EVs use about 0.25 kWh (kilo watt hour, or 1,000 watts for an hour) per mile. I'd guess that the EV G takes about 0.5kWh or so; but unlike gas engines the use rate won't go up appreciatively at slow speeds and probably not much higher for off road, either. A big 2.5 x 5 foot solar panel is now about 300 watts; with full sun, you might get 1/4 to 1/2 mile additional range for each HOUR it is directly pointed into the sun. 90 miles away from civilization will require 180 - 360 hours of full sun from one panel! If you assume about 6 hours of "full" sun a day, plan on taking a month or two to get home with one panel. This is the reason why no EV manufacturer is touting solar panels for increased range - it is not hardly a drop in the bucket.How big do the solar panels have to be and how long do I need to set them up for to get out?