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27/11/22 07:09 AM IST

ISRO conducts 200th consecutive successful launch of RH200 sounding rocket

In News 
  • RH200, the versatile sounding rocket of ISRO, has registered its 200th consecutive successful launch from the shores of Thumba, Thiruvananthapuram.
About RH 200
  • RH200, which is capable of climbing to a height of 70 km, is a two-stage multipurpose sounding rocket capable of carrying scientific payloads into space.
  • The 200 in the name denotes the diameter of the rocket in millimetre.
  • This 3.5-meter tall rocket belongs to the Rohini rocket family. It is used by ISRO for atmospheric studies.
  • The first and second stages of this rocket are powered by solid motors.
  • This rocket is currently playing a major role in providing a flexible platform for experiments and testing of new technologies.
  • Initially, it used polyvinyl chloride (PVC)-based propellant. The first RH200 to use the new propellant based on hydroxyl-terminated Polybutadiene (HTPB) was launched successfully from the Thumba Equatorial Rocket Launching Station (TERLS) in 2020.
Sounding Rockets 
  • The first sounding rocket to be launched in India was American Nike-Apache.
  • This historic launch happened on November 21, 1963. Following this, two-stage rockets imported from Russia (M-100) and France (Centaure) were launched.
  • Rohini RH-75 – the first indigenously developed sounding rocket – was launched by ISRO in 1967.
  • Since then, these rockets have been launched from both the TERLS and the Satish Dhawan Space Centre, Sriharikota. In 1975, all of ISRO’s sounding rocket activities came under the purview of the Rohini Sounding Rocket (RSR) Programme.
  • Currently, the RH-200, RH-300-Mk-II and RH-560-Mk-III are operational.  They can carry payloads ranging from 8 to 100 kg and an apogee range of 80 to 475 km.
Source- The Tribune 

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