The airplane was substantially damaged at about 2100 Eastern time after it experienced a loss of engine power during the initial climb after takeoff from Hummel Field, Saluda, Va. The Private pilot and a passenger were not injured. Visual conditions prevailed. The pilot reported that the airplane was about 100 feet above the runway when it lost engine power. The pilot attempted to maneuver the airplane to the field; however, it struck a fence and a tractor.