The Lippisch Li P.01-115 was another design under the Li P.01 series, all designed by Alexander Lippisch and his team while at Messerschmitt A.G. Dated July 2, 1941, the Li P.01-115 had a similar plan form to the others in the P.01 series (which were similar to the Me 163 rocket fighter). The fuselage held the armament, fuel and powerplants. This was one of the first designs to feature a dual powered fighter. A small BMW P-3304/109-002 turbojet, was located in the upper rear fuselage and was fed by an air intake on top of the fuselage. In addition, an undetermined Walter rocket engine was mounted beneath the turbojet and provided takeoff and perhaps emergency power. The wings were swept back at 27 degrees, and only a single vertical tail and rudder was to be fitted. In this tailless configuration, the pilot sat in a cockpit in the front of the plane and landing was accomplished on a retractable skid. Two forward-firing fixed MG 151 15mm cannon located in the forward lower fuselage comprised the armament.
          As with other designs in the Lippisch P.01 series, this design went no further than the drawing board stage. All work was later devoted to the Me 163 and later variant rocket fighters.