ISRO

Jul 01, 2013

PSLV-C22/IRNSS-1A

Polar Satellite Launch Vehicle, in its twenty fourth flight (PSLV-C22), launches India’s first dedicated navigational satellite IRNSS-1A. The launch took place from the First Launch Pad (FLP) of Satish Dhawan Space Centre, (SDSC) SHAR, Sriharikota. PSLV-C22 used ‘XL’ version of PSLV; this is the forth time ‘XL’ configuration is flown, earlier three being PSLV-C11/ Chandrayaan-1, PSLV-C17/ GSAT-12 and PSLV-C 19/ RISAT-1 missions.

PSLV- C22 Stages at a Glance
  STAGE-1 STAGE-2 STAGE-3 STAGE-4
Nomenclature Core PS1 +
6 strap-on motors
PS2 PS3 PS4
Propellant Solid
(HTPB Based)
Liquid
(UH25 + N2O4)
Solid
(HTPB Based)
Liquid
(MMH + MON-3)
Mass (Tonne) 138.0 (Core),
6X12(Strap-on)
41.7 7.6 2.5
Max Thrust (kN) 4819 (Core),
6X716(Strap-on)
804 240 7.3 X 2
Burn Time (sec) 101.5 (Core),
49.5(Strap-on)
149 112.1 513
Stage Dia (m) 2.8 (Core),
1(Strap-on)
2.8 2.0 2.8
Stage Length  (m) 20 (Core),
14.7(Strap-on)
12.5 3.6 2.6