Interview with Dr. Paul MacCready

Interview with Dr. Paul MacCready Lifelong modeler and aeronautical engineer challenges Americans to “do more with much less” By Gordon Schimmel As seen in the July 2003 issue of Model Aviation. ENTER A large room, and an overwhelming presence along a wall is Pathfinder—one of the largest remote-controlled airplanes ever flown, once to an altitude of 86,000 feet. A sample rib hanging above a doorway and the transparent wing covering attest to its model-airplane heritage. As impressive as Pathfinder is, I learn that Helios, a still larger version with a 247…