Rohini RH-200 Rocket
The Indian Space Research Organization (ISRO) is planning the 200th consecutive successful launch of the Rohini RH-200 sounding rocket.
About Rohini RH-200 Rocket
The RH-200 is a two-stage rocket capable of climbing to an altitude of 70 km.
The first and second stages of the RH-200 are driven by solid motors.
The '200' in the name refers to the diameter of the rocket in mm.
Other Rohini variants - RH-300 Mk-II and RH-560 Mk-III.
Over the years, the RH-200 rocket used a polyvinyl chloride (PVC) based propellant.
The first RH-200 to use a new propellant based on hydroxyl-terminated polybutadiene (HTPB) was successfully flown from TERLS in September 2020.
Since the inception of the RH200 rocket, both solid stages are processed using polyvinyl chloride (PVC) based propellants.
About Sounding Rocket
These are one- or two-stage solid propellant rockets used for exploration of the upper atmospheric regions and for space research.
Rockets are used to launch instruments 48 to 145 km above the Earth's surface.
The first sounding rocket to be launched from Thumba was the American Nike-Apache, which was launched on November 21, 1963.
The ISRO launched its own version, Rohini RH-75 in 1967.
ISRO has so far launched more than 1,600 RH-200 rockets.
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