THE PILOT BEGAN A TAKEOFF ROLL ON A RUNWAY THAT HAD PACKED SNOW AND ICE WHICH WAS COVERED WITH FOUR INCHES OF SNOW. SHORTLY AFTER THE PILOT APPLIED FULL POWER THE AIRPLANE TURNED TOWARD THE LEFT SIDE OF THE RUNWAY, EVENTUALLY GOING THROUGH A SNOWBANK. THE PILOT STATED HE ATTEMPTED THE CONTROL THE AIRPLANE BUT WAS UNABLE TO DO SO ON THE 100 FOOT WIDE RUNWAY. THE PILOT STATED THERE WERE NO MECHANICAL IRREGULARITIES WITH THE AIRPLANE'S ENGINES.