Indian Space Research Organisation PSLV-3S PSLV-CA PSLV-XL

Overall
Vehicle

Operational from   23.04.2007 22.10.2008
  to   16.12.2015 12.01.2018
Orbital flights   0 11 19
Payload weight t LEO 0.60 LEO 2.10 SSO  1.75
Gross liftoff weight t 175.00 222.50 310.35
Gross propellant weight t 148.45 187.62 263.38
Total length m 33.20 44.43 44.43
Max. diameter (span) m     5.10
Total liftoff thrust (s.l.) kN 4,311 4,311 6,979
Total impulse (vac) MN*s 401.6 525.2 706.8

Fairing

Total length m  8.30 8.30 8.30
Diameter m  3.20 3.20 3.20
Total weight t  1.10 1.10 1.10

Stage 4

Name   PS-4 (L-2.6) PS-4 (L-2.6) PS-4 (L-2.6)
  Length   (3.00) (3.00) (3.00)
Diameter m 2.00 (1.34) 2.00 (1.34) 2.00 (1.34)
Liftoff weight m 3.60 3.60 3.60
Propellant weight t 2.56 2.56 2.56
Engines t LVS (2) LVS (2) LVS (2)
Propellant   MMH/MON MMH/MON MMH/MON
Total thrust (vac) kN 14.6 14.6 14.6
Specific impulse (vac) N*s/kg 3020 3020 3020
Burn time s 530 530 530
Total impulse (vac) MN*s 7.7 7.7 7.7
Stage 3 Name   PS-3 (S-7) PS-3 (S-7) PS-3 (S-7)
  Length m  4.0 4.0 (3.60) 4.0 (3.60)
Diameter m  2.80 (2.00) 2.80 (2.00) 2.80 (2.00)
Liftoff weight t  8.40 8.40 8.40
Propellant weight t  7.65 7.65 7.65
Engines        
Propellant    solid  HTPB solid  HTPB solid  HTPB
Total thrust (vac) kN  197.0 (av.) 197.0 (av.) 197.0 (av.)
Specific impulse (vac) N*s/kg  2883 2883 2883
Burn time s  112 112 112
Total impulse (vac) MN*s  21.1 21.1 21.1
Stage 2

Name

    PS-2 (L-42) PS-2 (L-42)
  Length m

 

8.0 (11.56) 8.0 (11.56)
Diameter m 2.80 2.80
Liftoff weight t 46.00 46.00
Propellant weight t 41.73 41.73
Engines   VIKAS-2B VIKAS-2B
Propellant  

UH25/N2O4

UH25/N2O4

Total thrust (vac) kN 804.5 804.5
Specific impulse (vac) N*s/kg 2962 2962
Burn time s 153.6 153.6
Total impulse (vac) MN*s 123.6 123.6

Stage 1

Name   PS-1 (S-138) PS-1 (S-138) PS-1 (S-138)
  Length (+adapter) m 24.10 24.10 24.10
Diameter m 2.80 2.80 2.80
Liftoff weight t 161.30 161.30 161.30
Propellant weight t 138.24 138.24 138.24
Engines        
Propellant   solid HTPB solid HTPB solid HTPB
Total thrust (s.l.) kN 4,310.8 (max) 4,310.8 (max) 4,310.8 (max)
Specific impulse (s.l.) N*s/kg 2412 2412 2412
Burn time s 109 109 109
Total impulse (vac) MN*s 372.8 372.8 372.8

Booster

Name       6 (4+2) PSOM-XL
  Length m     14.70
Diameter m 1.00
Liftoff weight t 88.20
Propellant weight t 73.20
Engines    
Propellant   solid HTPB
Total thrust (s.l.) kN (max) 4,002 (max)
Specific impulse (s.l.) N*s/kg 2300
Burn time s 49.5
Total impulse (vac) MN*s 181.6