Most drone engineers pick a lane. You build for speed, or you build for range. Luke and Mike Bell, the father-and-son team from South Africa already famous for pushing electric quadcopters to velocities that seemed positively absurd, appear to be building for both.

Most drone engineers pick a lane. You build for speed, or you build for range. Luke and Mike Bell, the father-and-son team from South Africa already famous for pushing electric quadcopters to velocities that seemed positively absurd, appear to be building for both.