The sport pilot reported that during takeoff with a quartering tailwind of 10 knots, gusting up to 20 knots, as soon as the wheels left the pavement, the tail was pushed to the left. He straightened the tail and maintained wings level; however, the airplane was drifting to the left. The pilot reported that due to the tailwind and high altitude, he was getting very little lift. The airplane subsequently contacted sandy terrain on the left side of the runway.
The airplane sustained substantial damage to the right wing and fuselage.
The pilot reported that there were no mechanical failures or malfunctions with the airplane that would have precluded normal operation.