Russian VTOVL orbital launch vehicle. Fully reusable vertical takeoff / vertical landing single stage to orbit. Concept abandoned in favor of Orel V6 by 1998 due to engine reliability concerns. Tripropellant LOx/Kerosene (RG-1)/LH2 version.
Status: Study 1997. Payload: 10,000 kg (22,000 lb). Gross mass: 1,058,000 kg (2,332,000 lb). Height: 39.90 m (130.90 ft). Diameter: 15.10 m (49.50 ft). Apogee: 200 km (120 mi).
LEO Payload: 10,000 kg (22,000 lb) to a 200 km orbit at 51.00 degrees.