|
CALT / CASC |
CZ -2 | CZ -2C |
CZ -2C+ |
CZ -2CS | CZ-2CS-4 | |||||||
|
Overall |
Operational | from | 26.11.1975 | 09.09.1982 | 09.09.1987 | 18.04.2004 | 29.08.2004 | |||||
|
|
to | 26.01.1978 | 05.08.1987 | 08.10.1993 | 18.11.2004 | 08.08.2023 | ||||||
| Orbital flights | 3 | 6 | 5 | 2 | 41 (+5) | |||||||
| Payload weight | t | LEO | 1.80 | LEO | 1.80 | LEO | 2.10 | SSO | 0.90 | SSO | 0.90 | |
| Gross liftoff weight | t | 185.30 | 191.10 | 191.35 | 212.50 | 212.50 | ||||||
| Gross propellant weight | t | 173.45 | 176.94 | 176.96 | 197.98 | 197.98 | ||||||
| Total length | m | 35.93 | 33.15 | 34.65 | 38.83 | 38.83 | ||||||
| Max. diameter (span) | m | 3.35 | 3.35 | 3.35 | 3.35 | 3.35 | ||||||
| Total liftoff thrust (s.l.) | kN | 2,785 | 2,804 | 2,962 | 2,993 | 2,993 | ||||||
| Total impulse (vac) | MN*s | 477.0 | 489.9 | 492.8 | 556.6 | 556.6 | ||||||
|
Fairing |
Total length | m | 4.34 | 4.34 | 5.84 | 8.37 | 8.37 | |||||
| Diameter | m | 3.35 (2.20) | 3.35 (2.20) | 3.35 (2.20) | 3.35 | 3.35 | ||||||
| Total weight | t | 0.40 | 0.40 | 0.45 | 0. 80 | 0. 80 | ||||||
| Stage 3 |
Name |
(YZ-1S or YZ-1) | ||||||||||
|
|
Length | m | ||||||||||
| Diameter | m | |||||||||||
| Liftoff weight | t | |||||||||||
| Propellant weight | t | |||||||||||
| Engines | ||||||||||||
| Propellant | ||||||||||||
| Total thrust (vac) | kN | |||||||||||
|
Specific impulse (vac) |
N*s/kg | |||||||||||
| Burn time | s | |||||||||||
| Total impulse (vac) | MN*s | |||||||||||
| Stage 2 |
Name |
L-36 | L-36 | L-36 | L-54 | L-54 | ||||||
|
|
Length (+adapter) | m | 8.29 | 8.29 | 8.29 | 9.94 | 9.94 | |||||
| Diameter | m | 3.35 | 3.35 | 3.35 | 3.35 | 3.35 | ||||||
| Liftoff weight | t | 36.40 | 36.90 | 37.00 | 57.50 | 57.50 | ||||||
| Propellant weight | t | 34.45 | 34.94 | 35.06 | 54.68 | 54.68 | ||||||
| Engines | YF-24 | YF-24A | YF-24B | YF-24E (l.n.) | YF-24E (l.n.) | |||||||
| Propellant | UDMH/N2O4 | UDMH/N2O4 | UDMH/N2O4 | UDMH/N2O4 | UDMH/N2O4 | |||||||
| Total thrust (vac) | kN | 686.5 (+44.1) | 719.8 (+44.1) | 742.4 (+46.1) | 784.5 (+47.2) | 784.5 (+47.2) | ||||||
|
Specific impulse (vac) |
N*s/kg | 2814 | 2834 | 2922 | 2971 | 2971 | ||||||
| Burn time | s | 132 (140) | 129.1 (134) | 129.2 (134) | 177 (490) | 177 (490) | ||||||
| Total impulse (vac) | MN*s | 96.8 | 98.8 | 102.1 | 162.0 | 162.0 | ||||||
|
Stage 1 |
Name | L-145 | L-145 | L-145 | L-145 | L-145 | ||||||
|
|
Length (+adapter) | m | 20.52 | 20.52 | 20.52 | 20.52 | 20.52 | |||||
| Diameter | m | 3.35 | 3.35 | 3.35 | 3.35 | 3.35 | ||||||
| Liftoff weight | t | 148.7 | 152.0 | 151.8 | 153.3 | 153.3 | ||||||
| Propellant weight | t | 139.0 | 142.0 | 141.9 | 143.3 | 143.3 | ||||||
| Engines | YF-21 (4) | YF-21A (4) | YF-21B (4) | YF-21C (4) | YF-21C (4) | |||||||
| Propellant | UDMH/N2O4 | UDMH/N2O4 | UDMH/N2O4 | UDMH/N2O4 | UDMH/N2O4 | |||||||
| Total thrust (s.l.) | kN | 2,784.6 | 2,804.0 | 2,961.6 | 2,992.8 | 2,992.8 | ||||||
| Specific impulse (s.l.) | N*s/kg | 2539 | 2557 | 2557 | 2557 | 2557 | ||||||
| Burn time | s | 126.7 | 129.5 | 122.5 | 122.4 | 122.4 | ||||||
| Total impulse (vac) | MN*s | 380.2 | 391.1 | 390.7 | 394.6 | 394.6 | ||||||