Kirby Chambliss is a five-time winner of the US National Aerobatic Championship and a former Men’s Freestyle World Champion. He’s also fast, world-class fast, in fact he is one of only two American pilots ever to win the Red Bull Air Race World Championship. Kirby and his Red Bull Edge 540 must sustain a radical span of 18 Gs, so he follows a rigorous exercise regimen of skydiving and motocross to stay in shape. And with a runway at his Arizona home, he can train on his doorstep