Engine Model: Burlak Stage 2. Application: Burlak stage 2. Propellants: N2O4/UDMH. Thrust(vac): 98.000 kN (22,031 lbf). Isp: 330 sec. Isp (sea level): 230 sec. Burn time: 275 sec. Chambers: 1. Country: Russia. Status: Development ended 1992. Masses, thrust, specific impulse estimated based on total vehicle mass of 28.5 tonnes and first stage burn time of 140 seconds. Air launched from Tu-160 at 13,500 m, Mach 1.7 release conditions.
Burlak Stage 2 used on Rocket Stages