CALT / CASC |
CZ -2CS/SD | CZ -2CS-4/SMA | CZ -2D | CZ-2D-4 (1) | CZ -2D-4 (2) | |||||||
Overall |
Operational | from | 01.09.1997 | 06.09.2008 | 09.08.1992 | 03.11.2003 | 05.07.2005 | |||||
to | 11.06.1999 | 09.07.2018 | 20.10.1996 | 05.04.2016 | 15.10.2023 | |||||||
Orbital flights | 7 | 3 | 3 (FSW) | 4 (FSW) | 74 +1 | |||||||
Payload weight | t | Iridium | 1.46 | SSO | 2.10 | LEO | 3.00 | LEO | 3.50 | SSO | 1.15 | |
Gross liftoff weight | t | 212.10 | 213.85 | 228.30 | 228.70 | 226.60 | ||||||
Gross propellant weight | t | 197.41 | 198.12 | 210.47 | 210.39 | 210.36 | ||||||
Total length | m | 38.83 | 38.83 | 39.29 | 39.29 | 40.77 | ||||||
Max. diameter (span) | m | 3.35 | 3.35 | 3.35/ 6.15 | 3.35/ 6.15 | 6.15 | ||||||
Total liftoff thrust (s.l.) | kN | 2,962 | 2,962 | 2,962 | 2,962 | 2,962 | ||||||
Total impulse (vac) | MN*s | 550.3 | 557.0 | 585.3 | 587.0 | 587.0 | ||||||
Fairing |
Total length | m | 8.37 | 8.37 | 5.84/6.34 | 5.84/6.34 | 7.82 | |||||
Diameter | m | 3.35 | 3.35 | 3.35 (2.20) | 3.35 (2.20) | 3.35 | ||||||
Total weight | t | 0.80 | 0.80 | 0.50 | 0.50 | 0.75 | ||||||
Stage 3 |
Name | Smart Dispenser | SM | (YZ-1S) | ||||||||
|
Length | m | 0.85 | 0.85 | ||||||||
Diameter | m | 2.70 (0.54) | 2.70 (0.54) | |||||||||
Liftoff weight | t | 0.146 | 0.146 | |||||||||
Propellant weight | t | 0.138 | 0.138 | |||||||||
Engines (Chambers) | SpaB-54 (=FG-47) | SpaB-54 (=FG-47) | ||||||||||
Propellant | HTPB | HTPB | ||||||||||
Total thrust (vac) | kN | 10.8 | 10.8 | |||||||||
Specific impulse (vac) | N*s/kg | 2824 | 2824 | |||||||||
Burn time | s | 36 | 36 | |||||||||
Total impulse (vac) | MN*s | 0.39 | 0.39 | |||||||||
Stage 2 |
Name |
L-54 | L-54 | L-36 | L-36 | L-36 | ||||||
|
Length (+adapter) | m | 9.94 | 9.94 | 8.29 | 8.29 | 8.29 | |||||
Diameter | m | 3.35 | 3.35 | 3.35 | 3.35 | 3.35 | ||||||
Liftoff weight | t | 56.60 | 57.50 | 37.60 | 37.50 | 37.50 | ||||||
Propellant weight | t | 54.17 | 54.68 | 35.57 | 35.49 | 35.49 | ||||||
Engines | YF-24B | YF-24D (l.n.) | YF-24B | YF-24D (l.n.) | YF-24D (l.n.) | |||||||
Propellant | UDMH/N2O4 | UDMH/N2O4 | UDMH/N2O4 | UDMH/N2O4 | UDMH/N2O4 | |||||||
Total thrust (vac) | kN | 742.4 (+46.1) | 784.5 (+46.1) | 742.4 (+46.1) | 784.5 (+46.1) | 784.5 (+46.1) | ||||||
Specific impulse (vac) | N*s/kg | 2922 | 2922 | 2922 | 2922 | 2922 | ||||||
Burning time | s | 179.8 (489) | 177 (490) | 131 (137) | 126 (137) | 126 (137) | ||||||
Total impulse (vac) | MN*s | 156.0 | 162.0 | 103.6 | 105.3 | 105.3 | ||||||
Stage 1 |
Name | L-145 | L-145 | L-176 | L-176 | L-176 | ||||||
Length (+adapter) | m | 20.52 | 20.52 | 24.66 | 24.66 | 24.66 | ||||||
Diameter | m | 3.35 | 3.35 | 3.35 | 3.35 | 3.35 | ||||||
Liftoff weight | t | 153.1 | 153.3 | 187.2 | 187.2 | 187.2 | ||||||
Propellant weight | t | 143.1 | 143.3 | 174.9 | 174.9 | 174.9 | ||||||
Engines | YF-21B (4) | YF-21C (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 | 2,961.6 | 2,961.6 | 2,961.6 | 2,961.6 | 2,961.6 | ||||||
Specific impulse (s.l.) | N*s/kg | 2557 | 2557 | 2557 | 2557 | 2557 | ||||||
Burn time | s | 123.5 | 123.7 | 151 | 151 | 151 | ||||||
Total impulse (vac) | MN*s | 393.9 | 394.6 | 481.7 | 481.7 | 481.7 |