SANGATTE, France — Looking like a superhero, the French inventor of an airborne hoverboard glided partway over the English Channel on his private flying machine then crashed within the sea Thursday. Unharmed and undeterred, 40-year-old Franky Zapata stated he plans to strive once more. Perhaps inside days. The inventor collided with a refueling boat just some hours into his flight, destroying his transportation, a selfmade model of the Flyboard his firm sells commercially. After being rescued from the Channel’s uneven waters, Zapata smiled and stated, “We won’t give up until we succeed.” Zapata took off to cross the Channel from the French coastal city of Sangatte. From afar, it appeared like he was skateboarding on the