Description
The R-7 was 34 m long, 3.02 m in diameter and weighed 280 metric tons; it was two-stage, powered by rocket engines using liquid oxygen (LOX) and kerosene and capable of delivering its payload at around 8,800 km, with an accuracy (CEP) of around 5 km. A single thermonuclear warhead was carried with a nominal yield of 3 megatons of TNT. The initial launch was boosted by four strap-on liquid rocket boosters making up the first stage, with a central 'sustainer' motor powering through both the first and the second stage. Each strap-on booster included two vernier thrusters and the core stage included four. The guidance system was inertial with radio control of the vernier thrusters.
Read more about this topic: R-7 Semyorka
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