Encyclopedia Astronautica
KSR-1


Solid propellant rocket stage. Loaded/empty mass 1,000/100 kg. Thrust 86.20 kN. Vacuum specific impulse 250 seconds. All values except thrust estimated.

Status: Retired 1998.
Gross mass: 1,000 kg (2,200 lb).
Unfuelled mass: 100 kg (220 lb).
Height: 4.70 m (15.40 ft).
Diameter: 0.42 m (1.37 ft).
Span: 0.42 m (1.37 ft).
Thrust: 86.20 kN (19,379 lbf).
Specific impulse: 250 s.
Specific impulse sea level: 220 s.
Burn time: 25 s.
Number: 6 .

More... - Chronology...


Associated Countries
  • Korea South South Korea became familiar with large-scale rocketry through maintenance and modification activities on American-supplied Honest John and Nike Hercules tactical missiles. By the 1990's Korea had developed an independent capability to manufacture solid propellant rocket motors of up to one tonne mass. In 1990 KARI was funded to build the first indigenous sounding rockets, flown as the KSR-I and KSR-II. In December 1997 KARI was allowed to proceed with development of liquid oxygen/kerosene rocket motor for an orbital launcher, but this was abandoned when the South Korean government decided it wanted to be among the top ten spacefaring nations by 2015. The existing program was too limited in growth potential to allow that. Therefore it was decided to leapfrog the technology by contracting with Russian companies. First launch of the KSLV-I launch vehicle from the new space centre took place in 2010. More...

Associated Launch Vehicles
  • KSR-I First South Korean sounding rocket, an unguided single solid propellant stage vehicle. Development began in 1990 and the rocket was flown two times in 1993. More...
  • KSR-II Two-stage South Korean sounding rocket, using two of the solid rocket motors developed for the KSR-I in tandem. Flown twice in 1997-1998. More...
  • KSLV-I 2002 South Korean orbital launch vehicle. In 2002 South Korea announced it was planning to develop a small satellite launch vehicle by 2005, based on technology flown on the KSR-III test vehicle. By 2005 this was replaced by a completely different design, based on the Russian Angara space booster. More...
  • KSLV-I In 2005 it was announced that the KSLV-I would not fly until 2007. It was now a completely different vehicle, consisting of a first stage derived from the Russian Angara launch vehicle, and a solid propellant second stage of South Korean manufacture. First launch 2009.08.25. More...
  • KSLV-III South Korean launch vehicle, to consist of a Russian Angara first stage, a South Korean liquid propellant second stage, and a South Korean solid propellant apogee kick motor. Scheduled for first flight by 2015. In August 2006 the Korean press reported that the first and second stages would both be Angara-UM modules... how this configuration would work (stacked versus parallel) was unclear. More...

Associated Propellants
  • Solid Solid propellants have the fuel and oxidiser embedded in a rubbery matrix. They were developed to a high degree of perfection in the United States in the 1950's and 1960's. In Russia, development was slower, due to a lack of technical leadership in the area and rail handling problems. Solid propellants have the fuel and oxidiser embedded in a rubbery matrix. They were developed to a high degree of perfection in the United States in the 1950's and 1960's. In Russia, development was slower, due to a lack of technical leadership in the area and rail handling problems. More...

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