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Scud is a series of tactical ballistic missiles developed by the Soviet Union during the Cold War. It was exported widely to other countries, in particular third world countries. The term comes from the NATO reporting nameScud which was attached to the missile by Western intelligence agencies. The Russian names for the missile are the R-11 (the first version), R-17 and R-300 Elbrus (later developments). The name Scud has been widely used to refer to these missiles and the wide variety of derivative variants developed in other countries based on the Soviet design.
The first use of the term Scud was in the NATO name SS-1b Scud-A, applied to the R-11 ballistic missile. The earlier R-1 missile had carried the NATO name SS-1 Scunner, but was of a very different design, almost directly a copy of the German V-2 rocket. The R-11 used technology gained from the V-2 as well, but was a new design, smaller and differently shaped than the V-2 and R-1 weapons. The R-11 was developed by the Korolyev OKB[1]and entered service in 1957. The most revolutionary innovation in the R-11 was the engine, designed by A.M. Isaev. Far simpler than the V-2's multi-chamber design, and employing an anti-oscillation baffle to preventchugging, it was a forerunner to the larger engines used in Soviet launch vehicles.
Further developed variants were the R-300 Elbrus / SS-1c Scud-B in 1961 and the SS-1d Scud-C in 1965, both of which could carry either a conventional high-explosive, a 5- to 80-kiloton thermonuclear, or a chemical(thickened VX) warhead. The SS-1e Scud-D variant developed in the 1980s can deliver a terminally guided warhead capable of greater precision.
All models are 11.35 m (37.2 ft) long (except Scud-A, which is 1 m (3 ft 3 in) shorter) and 0.88 m (2 ft 11 in) in diameter. They are propelled by a single liquid-fuel rocket engine burning kerosene and corrosion inhibited red fuming nitric acid (IRFNA) with UDMH, unsymmetrical dimethylhydrazine (Russian TG-02 like German Tonka 250) as liquid igniter (self ignition with IRFNA) in all models.
The missile reaches a maximum speed of mach 5.
The first use of the term Scud was in the NATO name SS-1b Scud-A, applied to the R-11 ballistic missile. The earlier R-1 missile had carried the NATO name SS-1 Scunner, but was of a very different design, almost directly a copy of the German V-2 rocket. The R-11 used technology gained from the V-2 as well, but was a new design, smaller and differently shaped than the V-2 and R-1 weapons. The R-11 was developed by the Korolyev OKB[1]and entered service in 1957. The most revolutionary innovation in the R-11 was the engine, designed by A.M. Isaev. Far simpler than the V-2's multi-chamber design, and employing an anti-oscillation baffle to preventchugging, it was a forerunner to the larger engines used in Soviet launch vehicles.
Further developed variants were the R-300 Elbrus / SS-1c Scud-B in 1961 and the SS-1d Scud-C in 1965, both of which could carry either a conventional high-explosive, a 5- to 80-kiloton thermonuclear, or a chemical(thickened VX) warhead. The SS-1e Scud-D variant developed in the 1980s can deliver a terminally guided warhead capable of greater precision.
All models are 11.35 m (37.2 ft) long (except Scud-A, which is 1 m (3 ft 3 in) shorter) and 0.88 m (2 ft 11 in) in diameter. They are propelled by a single liquid-fuel rocket engine burning kerosene and corrosion inhibited red fuming nitric acid (IRFNA) with UDMH, unsymmetrical dimethylhydrazine (Russian TG-02 like German Tonka 250) as liquid igniter (self ignition with IRFNA) in all models.
The missile reaches a maximum speed of mach 5.
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