i. The wheels of an airplane are toed-out if lines drawn through the center of two wheels, perpendicular to the axles, cross behind the wheels. As the airplane moves forward, toe-out causes the wheels to move farther apart. The reverse of
toe-in. See
toe-in (i).
ii. Aircraft engines are toed-out when their axes in a horizontal plane are inclined to meet the aircraft centerline to the rear of the nose, such as in engines whose axes are perpendicular to the tapered leading edge. See
toe-in (ii).