THE PILOT ATTEMPTED A TAKEOFF AND NOTED AT LIFTOFF THAT THE AIRPLANE WAS YAWING TO THE LEFT AND HIS ATTEMPTS TO USE RIGHT RUDDER IMPUTS WERE INEFFECTIVE. HE LET THE AIRPLANE DRIFT 400 FEET TO THE LEFT OF THE RUNWAY WITH THE GEAR STILL DOWN AND THEN REDUCED POWER AND CRASHED. NO FAILURES OR MIS-RIGGING OF THE FLIGHT CONTROLS WERE FOUND.