On January 26, 1995, at 1816 Pacific standard time, a Piper PA-24, N9201P, sustained substantial damage during a forced landing after a loss of power immediately after take off at Salem, Oregon. The flight instructor and his student were uninjured. No flight plan was filed for the flight, which had a destination of Cresswell, Oregon. There was no fire, and the ELT did not activate. Both the flight instructor and student stated that after run-up, the fuel selector was changed from one main fuel tank to the other. After takeoff, at about 150 feet, the aircraft experienced a sudden loss of power. The aircraft was landed straight ahead on remaining runway, with the landing gear retracted, causing substantial belly damage. Both the flight instructor and student stated that when the fuel selector position was changed, it had not completely engaged the detent.