IN HIS WRITTEN STATEMENT, THE PILOT SAID HE WAS TAKING OFF ON THE 1,800 FOOT AIRSTRIP AND COMPUTED A TAKEOFF DISTANCE OF 1,600 FEET. ON TAKEOFF ROLL, HE SAID THE AIRPLANE'S ENGINE WAS NOT DEVELOPING THE POWER IT SHOULD HAVE. HE SAID THE AIRPLANE WENT THROUGH A BARBED WIRE FENCE AND ENDING UP IMPACTING THE OPPOSITE BANK OF A CREEK. HE FURTHER STATED, HE MADE A JUDGEMENT ERROR IN NOT PICKING A GO, NO GO POINT AND THEN ABORTING THE TAKEOFF, AVOIDING THE FENCE AND CREEK. A SPECIFIC REASON WAS NOT PROVIDED TO SUBSTANTIATE THE REPORTED DEGRADATION OF ENGINE POWER.