Russian manufacturer of rocket engines. Polyarniy Design Bureau, Russia.
AKA: A I Polyarniy; NII-1; Keldysh Research Center.
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D-2 Polyarniy Lox/Kerosene rocket engine. 1373 kN. 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. Isp=288s. More...
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