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The Unified Launch Vehicle (ULV) is a development project by the Indian Space Research Organisation (ISRO) whose core objective is to design a modular architecture that could eventually replace the PSLV, GSLV Mk I/II and LVM3 with a single family of launchers.[1] The design may include a heavy-lift variant dubbed HLV.

Design

As of May 2013, based on ISRO data, the design comprised a common core and upper stage, with four different booster sizes.[9] All four versions of the boosters are solid motors, with at least three versions reusing current motors from the PSLV, GSLV Mk I/II and LVM3.[2] The core, known as the SC160 (Semi-Cryogenic stage with 160 tonnes of propellant, in the ISRO nomenclature), would have 160,000 kg (350,000 lb) of Kerosene / LOX propellant and be powered by a single SCE-200 rocket engine. The upper stage, known as the C30 (Cryogenic stage with 30 tonnes of propellant) would have 30,000 kg (66,000 lb) of LH2 / LOX propellant and be powered by a single CE-20 engine.[1][10]

The four booster options are:

  • 6 × S-13, slightly larger than the S-12 on PSLV, to burn longer;
  • 2 × S-60, which appears to be a new solid motor development;
  • 2 × S-139, which is the first stage of PSLV and GSLV Mk I/II;
  • 2 × S-200, like on the LVM3.

A potential heavy-lift variant (HLV) of the unified launcher capable of placing up to 9 ton class of spacecrafts into Geosynchronous Transfer Orbit would include:[1][10]

  • A larger dual S-250 solid strap-on boosters as compared to the S-200 boosters used in LVM3;
  • A semi-cryogenic core stage similar to LVM3 with SCE-200 engine;
  • A semi cryogenic third stage with a new CE-50 engine;
  • A new fourth stage with cryogenic C10 engine.[11]

Comparable rockets

See also

References

  1. ^ a b c d Brügge, Norbert. "ULV (LMV3-SC)". B14643.de. Retrieved 2015-08-14. 
  2. ^ a b c d e f "ISRO Unified Launch Vehicle (ULV)". NASAspaceflight. 2013-05-03. Retrieved 2015-08-14. 
  3. ^ a b c d e Brügge, Norbert. "Propulsion ULV". B14643.de. Retrieved 2015-08-14. 
  4. ^ "PSLV". ISRO. Retrieved 2015-08-14. 
  5. ^ a b c d e PSLV-C28 DMC3 Mission Brochure (PDF). ISRO. Retrieved 2015-08-14. 
  6. ^ a b c d GSLV-D5 GSAT-14 Mission Brochure (PDF). ISRO. Retrieved 2015-08-14. 
  7. ^ "GSLV". ISRO. Retrieved 2015-08-14. 
  8. ^ a b c d e f g "LVM3". ISRO. Retrieved 2015-08-14. 
  9. ^ "ISRO Unified Launch Vehicle Update". Antariksh Space. 2013-05-03. Retrieved 2016-05-25. 
  10. ^ a b Brügge, Norbert. "LVM3, ULV & HLV". B14643.de. Retrieved 2015-08-14. 
  11. ^ ""Indigenous Development of Materials for Space Programme" By Dr A. S. Kiran Kumar Presentation Slides. Indian Institute Of Science iisc.ernet.in Date: 21 August 2015." 

External links