The airplane lost engine power during takeoff and made a forced landing at the Tucson International Airport at 0901 Mountain time. The Private pilot sustained minor injuries; the airplane was substantially damaged. According to the pilot, the airplane was about 400 feet agl and turning the left crosswind leg when the engine lost all power. He made a forced landing between a taxiway and the perimeter fence on the airport. During the forced landing, the left main landing gear was sheared from the airplane and the left wing was folded at its center. The last maintenance performed on the airplane was an oil change. The accident flight was the first flight since the maintenance was performed. There was no obvious oil spill at the accident site.