S139 Booster
Manufacturer | Satish Dhawan Space Centre |
---|---|
Country of origin | India |
Used on | GSLV and PSLV |
General characteristics | |
Diameter | 2.8m |
Propellant mass | 138 tonnes |
Launch history | |
Status | Active |
First flight | Sep 20, 1993 |
Last flight | Jul 30, 2023 |
The S139 (S for Solid, 139 for weight of 139 tonnes) is a Solid Rocket Booster manufactured by the Indian Space Research Organisation at the Satish Dhawan Space Centre in the SPROB facility.[1] The rocket motor was first developed for use in the Polar Satellite Launch Vehicle. Later it was utilised in the GSLV MKII. It uses hydroxyl-terminated polybutadiene (HTPB) as a propellant. It has a maximum thrust of 4800 kN.
Associated rockets
[edit]The S139 Booster has been used in 2 major ISRO rockets.
It is used in the PSLV as its core stage since 1993.[2]
It is also used as a core stage in Geosynchronous Satellite Launch Vehicle MKII rocket.[3]
It is also the part of a variant of the Unified Launch Vehicle which is under development.[4]
Gallery
[edit]- The Core stage of the PSLV is the S139 Booster
References
[edit]- ^ "ISRO to increase production of solid booster engines to make more powerful rockets". Tech2. 2018-11-29. Retrieved 2021-08-09.
- ^ "PSLV - ISRO". www.isro.gov.in. Archived from the original on 2019-03-23. Retrieved 2021-08-11.
- ^ "GSLV - ISRO". www.isro.gov.in. Archived from the original on 2019-06-21. Retrieved 2021-08-11.
- ^ "ISRO Unified Launch Vehicle (ULV)". forum.nasaspaceflight.com. Retrieved 2021-08-11.