Tiny Motor Helps Fliers -- Jean Jettie, an airline hostess, compares a compact with a tiny hydraulic motor weighing less than a pound and developing 2? horsepower during a demonstration here of robot gadgets designed to help pilots fly supersonic aircraft. The motor helps operate ailerons, rudders or elevators which otherwise could not be moved because of terrific wind pressures. It was perfected by the Minneapolis-Honeywell Regulator Co., and shown to the Airport Operators' Council convention h