The D17 featured a lengthened fuselage that improved the aircraft's handling characteristics by increasing control leverage and the ailerons were relocated to the upper wings, eliminating interference with the flaps.
The D17 featured a lengthened fuselage. This lengthened fuselage improved the aircraft's handling characteristics by increasing control leverage. The ailerons were relocated to the upper wings. The ailerons were eliminating interference with the flaps.