|Height.||34 m (112 ft).|
|Diameter.||3.02 m (9.9 ft).|
|Weight.||280 metric tons (280 long tons; 310 short tons).|
|Warhead.||An unclassed nuke.|
|Warhead yield.||1x3Mt or 1x 2.9mt.|
|Accuracy (CEP).||Around 5 km (3.1 mi).|
|Speed.||N/A, but probably typical of it's class and era.|
|Steering.||12x vernier thrusters arranged around the booster clusters and the core engines.|
|Guidance system.||Inertial guidance with radio control of vernier thrusters for launch.|
|Range.||8,800 km (5,500 mi).|
|First made.||Made for the military on 9th, February, 1959. First civil use was on 27 April 1958.|
|Engines.||1st stage: 4x jettisonable four-chamber RD-107 booster engines each with 2x vernier rocket engines plus 1x four-chamber RD-108 core engine with 4x vernier rocket engines. 2nd stage: 1x four-chamber RD-108 core engine with 4x vernier rocket engines. RD-107 4x 907.4 kN (203,992 lbf) RD-108 1x 907.4 kN (203,992 lbf) Vernier 12x 38.259 kN (8,601 lbf).|
|Sources.||https://en.wikipedia.org/wiki/R-7_Semyorka and http://videos.howstuffworks.com/discovery/31429-weapons-that-changed-the-world-r-7-missile-video.htm.|
The widely used nickname for the R-7 launcher, "semyorka", means "the 7" in the Russian language.
In modified form, it launched Sputnik 1, the first artificial satellite, into orbit, and became the basis for the R7 family.
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