| Indian Space Research Organisation |
GSLV Mk.2+ (1a) (F08) |
GSLV Mk.2+ (1b) (F11) |
GSLV Mk.2+ (1b) (F10 + 12) |
GSLV Mk.2+ (2) |
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|
Overall |
Operational | from | 29.03.2018 | 19.12.2018 | 12.08.2021 | 2023 ? | ||||
| to | 29.05.2023 | |||||||||
| Orbital flights | 1 | 1 | 2 | 0 | ||||||
| Payload weight | t | GTO | 2.32 | GTO | 2.57 | GTO | 2.55 | GTO | 2.65 | |
| Gross liftoff weight | t | 415.05 | 420.55 | 420.00 | 420.70 | |||||
| Gross propellant weight | t | 361.24 | 366.12 | 366.12 | 366.12 | |||||
| Total length | m | 49.13 | 50.93 | 51.79 | 51.79 | |||||
| Max. diameter (span) | m | 7.50 | 7.50 | 7.50 | 7.50 | |||||
| Total liftoff thrust (s.l.) | kN | |||||||||
| Total impulse (vac) | MN*s | 1,020.4 | 1,030.0 | 1,027.3 | ||||||
|
Fairing |
Total length | m | 7.80 | 7.80 | 8.66 | 8.66 | ||||
| Diameter | m | 3.40 | 3.40 | 4.00 | 4.00 | |||||
| Total weight | t | 1.25 | 1.25 | 1.39 | 1.39 | |||||
| Stage 3 | Name | GS-3 (C-12.5) | GS-3 (C-15) | GS-3 (C-15) | GS-3 (C-15) | |||||
| Length | m | 8.72 (8.47) | 10.14 (9.89) | 10.14 (9.89) | 10.14 (9.89) | |||||
| Diameter | m | 2.80 | 2.80 | 2.80 | 2.80 | |||||
| Liftoff weight | t | 15.32 | 17.58 | 17.00 | 17.58 | |||||
| Propellant weight | t | 12.84 | 15.00 | 14.40 | 15.00 | |||||
| Engines | CUS | CUS+ | CUS+ | CUS+ | ||||||
| Propellant | LH2/LOX | LH2/LOX | LH2/LOX | LH2/LOX | ||||||
| Total thrust (vac) | kN | 73.55 | 79.16 | 79.16 | 79.16 | |||||
| Specific impulse (vac) | N*s/kg | 4433 | 4433 | 4433 | 4433 | |||||
| Burn time | s | 775 | 840 | 810 | 840 | |||||
| Total impulse (vac) | MN*s | 56.9 | 66.5 | 63.8 | 66.5 | |||||
| Stage 2 |
Name |
GS-2 (L-39.5) | GS-2 (L-42) | GS-2 (L-42) | GS-2 (L-42) | |||||
| Length | m | 11.36 (11.57) | 11.73 (11.94) | 11.73 (11.94) | 11.73 (11.94) | |||||
| Diameter | m | 2.80 | 2.80 | 2.80 | 2.80 | |||||
| Liftoff weight | t | 44.35 | 47.34 | 47.34 | 47.34 | |||||
| Propellant weight | t | 39.48 | 42.20 | 42.20 | 42.20 | |||||
| Engines |
HTVE |
HTVE |
HTVE |
HTVE |
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| Propellant |
UH25/N2O4 |
UH25/N2O4 |
UH25/N2O4 |
UH25/N2O4 |
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| Total thrust (vac) | kN | 846.8 | 846.8 | 846.8 | 846.8 | |||||
| Specific impulse (vac) | N*s/kg | 2962 | 2962 | 2962 | 2962 | |||||
| Burn time | s | 138.1 | 138.1 | 138.1 | 138.1 | |||||
| Total impulse (vac) | MN*s | 116.9 | 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 (20.18) | 21.26 (20.18) | 21.26 (20.18) | 21.26 (20.18) | |||||
| Diameter | m | 2.80 | 2.80 | 2.80 | 2.80 | |||||
| Liftoff weight | t | 160.87 | 160.87 | 160.87 | 160.87 | |||||
| Propellant weight | t | 138.23 | 138.23 | 138.23 | 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-42.5) | 4 GS-0 (L-42.5) | 4 GS-0 (L-42.5) | 4 GS-0 (L-42.5) | |||||
| Length | m | 19.74 | 19.68 | 19.68 | 19.68 | |||||
| Diameter | m | 2.10 | 2.10 | 2.10 | 2.10 | |||||
| Liftoff weight | t | 190.93 | 190.93 | 190.93 | 190.93 | |||||
| Propellant weight | t | 170.69 | 170.69 | 170.69 | 170.69 | |||||
| Engines |
VIKAS-1B |
VIKAS-1B |
VIKAS-1B |
HPVE-2 (HsVE) |
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| Propellant |
UH25/N2O4 |
UH25/N2O4 |
UH25/N2O4 |
UH25/N2O4 |
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| Total thrust (s.l.) | kN | 2,710.8 | 2,710.8 | 2,710.8 | ~2,800 | |||||
| Specific impulse (s.l.) | N*s/kg | 2501 | 2501 | 2501 | ? | |||||
| Burn time | s | 157.5 | 157.5 | 157.5 | ? | |||||
| Total impulse (vac) | MN*s | 482.0 | 482.0 | 482.0 | ? | |||||