Polyarniy LOx/Kerosene rocket engine. R-3. Out of Production. Competing engine for 3000 km range IRBM design to study problems of long-range rockets. Developed from April 1947 until cancellation.
AKA: D-2;R-3. Status: Out of Production. Date: 1947-51. Thrust: 1,373.00 kN (308,662 lbf). Specific impulse: 288 s. Specific impulse sea level: 240 s. Burn time: 124 s.