Sputnik (rocket)

Depiction of the rocket

The Sputnik rocket ( Russian Спутник ) was the world's first launcher . It was developed in the Soviet Union under the direction of Sergei Pawlowitsch Koroljow as a modification of the R-7 ICBM . With the version 8K71PS, Sputnik 1 , the first artificial satellite , was launched on October 4, 1957 . In addition, Sputnik 2 was launched on November 3, 1957 with an 8K71PS rocket. The next satellite, Sputnik 3 , was launched with the modified version Sputnik 8A91.

Technical specifications

version	8K71PS	8A91
Takeoff mass	267 t	269.3 t
Height (maximum)	30 m	31.1 m
Diameter (maximum)	2.99 m
Span (maximum)	9.76 m
Payload ( LEO 200–2000 km)	500 kg	1.327 t
First flight	4th October 1957	April 27, 1958
0 level (booster)
Engine	4 × RD-107-8D74PS	4 × RD-107-8D76
length	19 m
diameter	2.7 m
Dimensions	43 t / 3.4 t (empty)
Thrust (max)	4 x 3.89 MN
Burn time	120 s	130 s
fuel	LOX / kerosene
1st stage
Engine	RD-108-8D75PS	RD-108-8D77
length	28 m
diameter	3 m	2.99 m
Dimensions	94 t / 7.4 t (empty)	95 t / 7.1 t (empty)
Thrust (max.)	970 kN	804 kN
Burn time	310 s	360s
fuel	LOX / kerosene

Individual evidence

1. ↑ Bernd Leitenberger: The Semjorka carrier rocket. January 19, 2013, accessed October 12, 2014 . 
2. ^ Richard Kruse: Soviet and Russian Rockets. In: Historic Spacecraft. Retrieved December 10, 2014 . 
3. ^ Anatoly Zak: R-7 family. May 29, 2013, accessed December 10, 2014 . 
4. ↑ Sputnik 8K71PS in the Encyclopedia Astronautica , accessed on December 10, 2014 (English).
5. ↑ Sputnik (rocket) in the Encyclopedia Astronautica, accessed on December 10, 2014 (English).