| Indian Space Research Organisation | GSLV Mk.1 | GSLV Mk.1+ | GSLV Mk.1+ (F06) | GSLV Mk.2 | ||||||
|
Overall |
Operational | from | 08.05.2003 | 20.09.2004 | 25.12.2010 | 15.04.2010 | ||||
| to | 02.09.2007 | 05.05.2017 | ||||||||
| Orbital flights | 1 | 3 | 1 | 5 | ||||||
| Payload weight | t | GTO | 1.82 | GTO | 1.95 | GTO | 2.31 | GTO | 2.25 | |
| Gross liftoff weight | t | 400.40 | 415.00 | 418.00 | 415.00 | |||||
| Gross propellant weight | t | 346.11 | 360.91 | 363.50 | 361.22 | |||||
| Total length | m | 49.13 | 49.13 | 51.32 | 49.13 | |||||
| Max. diameter (span) | m | 7.50 | 7.50 | 7.50 | 7.50 | |||||
| Total liftoff thrust (s.l.) | kN | |||||||||
| Total impulse (vac) | MN*s | 964.5 | 1,019.8 | 1,031.3 | 1,020.4 | |||||
|
Fairing |
Total length | m | 7.80 | 7.80 | 8.66 | 7.80 | ||||
| Diameter | m | 3.40 | 3.40 | 4.00 | 3.40 | |||||
| Total weight | t | 1.25 | 1.25 | 1.39 | 1.25 | |||||
| Stage 3 | Name | GS-3 (C-12.5) | GS-3 (C-12.5) | GS-3 (C-15) | GS-3 (C-12.5) | |||||
| Length | m | 8.72 (8.47) | 8.72 (8.47) | 10.30 (10.05) | 8.72 (8.47) | |||||
| Diameter | m | 2.80 | 2.80 | 2.80 | 2.80 | |||||
| Liftoff weight | t | 15.20 | 15.18 | 17.87 | 15.32 | |||||
| Propellant weight | t | 12.64 | 12.64 | 15.23 | 12.83 | |||||
| Engines | KVD-1 | KVD-1 | KVD-1 | CUS | ||||||
| Propellant | LH2/LOX | LH2/LOX | LH2/LOX | LH2/LOX | ||||||
| Total thrust (vac) | kN | 73.55 | 73.55 | 73.55 | 73.55 | |||||
| Specific impulse (vac) | N*s/kg | 4427 | 4452 | 4452 | 4433 | |||||
| Burn time | s | 760 | 765 | 925 | 775 | |||||
| Total impulse (vac) | MN*s | 56.0 | 56.3 | 67.8 | 56.9 | |||||
| Stage 2 |
Name |
GS-2 (L-37.5) | GS-2 (L-39.5) | GS-2 (L-39.5) | GS-2 (L-39.5) | |||||
| Length | m | 11.36 (11.57) | 11.36 (11.57) | 11.36 (11.57) | 11.36 (11.57) | |||||
| Diameter | m | 2.80 | 2.80 | 2.80 | 2.80 | |||||
| Liftoff weight | t | 42.30 | 44.30 | 44.30 | 44.35 | |||||
| Propellant weight | t | 37.47 | 39.47 | 39.47 | 39.47 | |||||
| Engines |
VIKAS-2 |
VIKAS-2B |
VIKAS-2B |
VIKAS-2B |
||||||
| Propellant |
UDMH/N2O4 |
UH25/N2O4 |
UH25/N2O4 |
UH25/N2O4 |
||||||
| Total thrust (vac) | kN | 725.0 | 804.5 | 804.5 | 804.5 | |||||
| Specific impulse (vac) | N*s/kg | 2903 | 2962 | 2962 | 2962 | |||||
| Burn time | s | 150 | 145.3 | 145.3 | 145.3 | |||||
| Total impulse (vac) | MN*s | 108.8 | 116.9 | 116.9 | 116.9 | |||||
|
Stage 1 |
Name | GS-1 (S-138) | GS-1 (S-138) | GS-1 (S-138) | GS-1 (S-138) | |||||
| Length (+adapter) | m | 21.25 (20.13) | 21.25 (20.13) | 21.25 (20.13) | 21.25 (20.18) | |||||
| Diameter | m | 2.80 | 2.80 | 2.80 | 2.80 | |||||
| Liftoff weight | t | 161.1 | 161.1 | 161.1 | 160.87 | |||||
| Propellant weight | t | 138.2 | 138.2 | 138.2 | 138.23 | |||||
| Engines | ||||||||||
| Propellant | solid HTPB | solid HTPB | solid HTPB | solid HTPB | ||||||
| Total thrust (s.l.) | kN | 4,270 (max) | 4,270 (max) | 4,270 (max) | 4,270 (max) | |||||
| Specific impulse (s.l.) | N*s/kg | 2324 | 2324 | 2324 | 2324 | |||||
| Burn time | s | 107 | 107 | 107 | 107 | |||||
| Total impulse (vac) | MN*s | 364.6 | 364.6 | 364.6 | 364.6 | |||||
|
Booster |
Name | 4 GS-0 (L-40) | 4 GS-0 (L-42.5) | 4 GS-0 (L-42.5) | 4 GS-0 (L-42.5) | |||||
| Length | m | 19.74 | 19.74 | 19.74 | 19.74 | |||||
| Diameter | m | 2.10 | 2.10 | 2.10 | 2.10 | |||||
| Liftoff weight | t | 178.30 | 191.08 | 191.08 | 190.93 | |||||
| Propellant weight | t | 157.88 | 170.68 | 170.68 | 170.69 | |||||
| Engines |
VIKAS-1 |
VIKAS-1B |
VIKAS-1B |
VIKAS-1B |
||||||
| Propellant |
UDMH/N2O4 |
UH25/N2O4 |
UH25/N2O4 |
UH25/N2O4 |
||||||
| Total thrust (s.l.) | kN | 2,402.0 | 2,710.8 | 2,710.8 | 2,710.8 | |||||
| Specific impulse (s.l.) | N*s/kg | 2432 | 2501 | 2501 | 2501 | |||||
| Burn time | s | 160 | 157.5 | 157.5 | 157.5 | |||||
| Total impulse (vac) | MN*s | 435.1 | 482.0 | 482.0 | 482.0 | |||||