Nitric acid/Kerosene propellant rocket stage. Loaded mass 5,000 kg. Thrust 93.00 kN.
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Gross mass: 5,000 kg (11,000 lb).
Height: 10.00 m (32.00 ft).
Diameter: 0.88 m (2.88 ft).
Thrust: 93.00 kN (20,907 lbf).
Number: 11 .
S2.253 Isayev Nitric acid/Kerosene rocket engine. 93.3 kN. R-11 (Scud B) 8A61. Thrust 8300 kgf at sea level. Fuel Kerosene T-1, chemical ignition by TG-02. Isp=251s. First flight 1953. More...
Associated Launch Vehicles
Hwasong 6 North Korean mobile liquid propellant single stage tactical ballistic missile. Derived from Russian R-17, often referred to as 'Scud-C'. The Hwasong had a 500 km range, achieved by halving the payload. More...
Hwasong 7 North Korean mobile liquid propellant single stage tactical ballistic missile. Derived from Russian R-17, often referred to as 'Scud-D'. The Hwasong had a 700 km range with a 500 kg payload and went into service in 1994. More...
Associated Manufacturers and Agencies
Nitric acid/Kerosene Drawing on the German World War II Wasserfall rocket, nitric acid (HNO3) became the early storable oxidiser of choice for missiles and upper stages of the 1950's. To overcome various problems with its use, it was necessary to combine the nitric acid with N2O4 and passivation compounds. These formulae were considered extremely secret at the time. By the late 1950's it was apparent that N2O4 by itself was a better oxidiser. Therefore nitric acid was almost entirely replaced by pure N2O4 in storable liquid fuel rocket engines developed after 1960. Rocket propellant RP-1, or its foreign equivalents, is a straight-run kerosene fraction, which is subjected to further treatment, i.e., acid washing, sulphur dioxide extraction. Thus, unsaturated substances which polymerise in storage are removed, as are sulphur-containing hydrocarbons. More...
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