CALT / CASC |
CZ -3 |
CZ -3+ | CZ -3A | CZ -3A+ | ||||||
Overall Vehicle |
Operational | from | 29.01.1984 | 07.03.1988 | 08.02.1994 | 24.05.2003 | ||||
to | 01.02.1986 | 25.06.2000 | 20.12.2000 | 09.07.2018 | ||||||
Orbital flights | 3 | 10 | 6 | 21 | ||||||
Payload weight | t | GTO | 1.20 | GTO | 1.50 | GTO | 2.60 | GTO | 3.00 | |
Gross liftoff weight | t | 197.85 | 200.25 | 234.40 | 242.25 | |||||
Gross propellant weight | t | 177.65 | 185.50 | 216.25 | 223.24 | |||||
Total length | m | 44.17 | 46.60 | 52.52 | 52.52 | |||||
Max. diameter (span) | m | 6.15 | 6.15 | 6.15 | 6.15 | |||||
Total liftoff thrust (s.l.) | kN | 2,804 | 2,962 | 2,962 | 2,993 | |||||
Total impulse (vac) | MN*s | 520.0 | 528.1 | 627.2 | 648.4 | |||||
Fairing |
Total length | m | 5.84 | 7.27 | 8.89 | 8.89 | ||||
Diameter | m | 2.60 | 3.00 | 3.35 | 3.35 | |||||
Total weight | t | 0.60 | 0.80 | 0.80 | 0.80 | |||||
Stage 3 |
Name | H-8.5 | H-8.5 | H-18 | H-18 | |||||
Length (+adapter) | m | 10.28 | 11.28 | 11.44 | 11.44 | |||||
Diameter | m | 2.25 - 3.35 | 2.25 - 3.35 | 3.00 - 3.35 | 3.00 - 3.35 | |||||
Liftoff weight | t | 9.26 | 9.10 | 18.76 | 18.76 | |||||
Propellant weight | t | 8.65 | 8.50 | 17.54 | 17.54 | |||||
Engines | YF-73 (4) | YF-73+ (4) | YF-75 (2) | YF-75 (2) | ||||||
Propellant | LH2/LOX | LH2/LOX | LH2/LOX | LH2/LOX | ||||||
Total thrust (vac) | kN | 44.2 | 44.4 | 156.9 | 156.9 | |||||
Specific impulse (vac) | N*s/kg | 4119 | 4168 | 4295 | 4295 | |||||
Burn time | s | 810 | 795 | 480 | 480 | |||||
Total impulse (vac) | MN*s | 35.6 | 35.4 | 75.3 | 75.3 | |||||
Stage 2 |
Name |
L-36 |
L-36 |
L-36 | L-36 | |||||
Length (+adapter) | m | 7.53 | 7.53 | 7.53 | 7.53 | |||||
Diameter | m | 3.35 | 3.35 | 3.35 | 3.35 | |||||
Liftoff weight | t | 37.00 | 36.85 | 31.40 | 32.65 | |||||
Propellant weight | t | 34.99 | 34.88 | 29.71 | 30.90 | |||||
Engines | YF-24A | YF-24B | YF-24B | YF-24E (l.n.) | ||||||
Propellant | UDMH/N2O4 |
UDMH/N2O4 |
UDMH/N2O4 | UDMH/N2O4 | ||||||
Total thrust (vac) | kN | 719.8 (+44.1) | 742.4 (+46.1) | 742.4 (+46.1) | 784.5 (+47.2) | |||||
Specific impulse (vac) | N*s/kg | 2834 | 2922 | 2922 | 2971 | |||||
Burn time | s | 129.3 (134) | 128.5 (134) | 109.5 (114) | 110 (115) | |||||
Total impulse (vac) | MN*s | 99.0 |
101.6 |
86.5 | 91.7 | |||||
Stage 1 |
Name | L-140 |
L-140 |
L-176 | L-176 | |||||
Length (+adapter) | m | 20.52 | 20.52 | 24.66 | 24.66 | |||||
Diameter | m | 3.35 | 3.35 | 3.35 | 3.35 | |||||
Liftoff weight | t | 149.8 | 152.0 | 180.8 | 187.0 | |||||
Propellant weight | t | 134.0 | 142.0 | 169.0 | 174.80 | |||||
Engines | YF-21A (4) | YF-21B (4) | YF-21B (4) | YF-21C (4) | ||||||
Propellant | UDMH/N2O4 | UDMH/N2O4 | UDMH/N2O4 | UDMH/N2O4 | ||||||
Total thrust (s.l.) | kN | 2,804.0 | 2,961.6 | 2,961.6 | 2,992.8 | |||||
Specific impulse (s.l.) | N*s/kg | 2557 | 2557 | 2557 | 2557 | |||||
Burn time | s | 127.6 | 122.6 | 145.9 | 149.3 | |||||
Total impulse (vac) | MN*s | 385.4 | 391.1 | 465.4 | 481.3 |