CALT / CASC |
CZ -2E | CZ -2E | CZ -2F/SZ | CZ -2F/TG | ||||||
Overall |
Operational | from | 16.07.1990 | 28.11.1995 | 19.11.1999 | 29.09.2011 | ||||
to | 28.12.1995 | 30.05.2023 | 15.09.2016 | |||||||
Orbital flights | 1 | 2 | 16 | 2 | ||||||
Payload weight | t | LEO | ~5.00 | GTO | 3.50 | Shenzhou | 8.15 | Tian Gong | 8.60 | |
Gross liftoff weight | t | 452.30 | 473.90 | 498.45 | 495.90 | |||||
Gross propellant weight | t | 414.80 | 435.95 | 450.50 | 450.50 | |||||
Total length | m | 49.73 | 49.73 | 58.34 | ~52.03 | |||||
Max. diameter (span) | m | ? | ? | 8.45 | 8.45 | |||||
Total liftoff thrust (s.l.) | kN | 5,923 | 5,923 | 5,993 | 5,993 | |||||
Total impulse (vac) | MN*s | 1,159.3 | 1,217.9 | 1,258.7 | 1,258.7 | |||||
Fairing |
Total length (+adapter, LES) | m | 10.50/12.00 | 10.50/12.00 | 19.11 | ~12.78 | ||||
Diameter | m | 4.20 | 4.20 | 3.60 | 3.80 | |||||
Total weight | t | 1.80/2.00 | 1.80/2.00 | ~6.00 (+LES) | ~3.00 | |||||
Stage 3 |
Name |
EPKM | ||||||||
|
Length | m | 3.10 (2.79) | |||||||
Diameter | m | 1.70 | ||||||||
Liftoff weight | t | 6.001 | ||||||||
Propellant weight | t | 5.444 | ||||||||
Engines | SpaB-170 (=FG-46) | |||||||||
Propellant | solid HTPB | |||||||||
Total thrust (vac) | kN | 179.2 | ||||||||
Specific impulse (vac) | N*s/kg | 2864 | ||||||||
Burn time | s | 87 | ||||||||
Total impulse (vac) | MN*s | 15.6 | ||||||||
Stage 2 |
Name |
L-86 | L-86 | L-86 | L-86 | |||||
|
Length (+adapter) | m | 14.47 | 14.47 | 14.47 | 14.47 | ||||
Diameter | m | 3.35 | 3.35 | 3.35 | 3.35 | |||||
Liftoff weight | t | 89.70 | 89.70 | 90.70 | 90.70 | |||||
Propellant weight | t | 85.00 | 85.00 | 85.92 | 85.92 | |||||
Engines | YF-24D (l.n.) | YF-24D (l.n.) | YF-24E (l.n.) | YF-24E (l.n.) | ||||||
Propellant | UDMH/N2O4 | UDMH/N2O4 | UDMH/N2O4 | UDMH/N2O4 | ||||||
Total thrust (vac) | kN | 784.5 (+46.1) | 784.5 (+46.1) | 784.5 (+47.2) | 784.5 (+47.2) | |||||
Specific impulse (vac) | N*s/kg | 2971 | 2971 | 2971 | 2971 | |||||
Burn time | s | 296 (410) | 296 (410) | 300 (415) | 300 (415) | |||||
Total impulse (vac) | MN*s | 251.1 | 251.1 | 254.9 | 254.9 | |||||
Stage 1 |
Name | L-186 | L-186 | L-186 | L-186 | |||||
|
Length (without adapter) | m | 24.76 | 24.76 | 24.76 | 24.76 | ||||
Diameter | m | 3.35 | 3.35 | 3.35 | 3.35 | |||||
Liftoff weight | t | 197.0 | 197.0 | 199.3 | 199.3 | |||||
Propellant weight | t | 184.1 | 184.1 | 186.3 | 186.3 | |||||
Engines | YF-21B (4) | YF-21B (4) | YF-21C (4) | YF-21C (4) | ||||||
Propellant | UDMH/N2O4 | UDMH/N2O4 | UDMH/N2O4 | UDMH/N2O4 | ||||||
Total thrust (s.l.) | kN | 2,961.6 | 2,961.6 | 2,992.8 | 2,992.8 | |||||
Specific impulse (s.l.) | N*s/kg | 2557 | 2557 | 2557 | 2557 | |||||
Burn time | s | 158.9 | 158.9 | 159.1 | 159.1 | |||||
Total impulse (vac) | MN*s | 506.9 | 506.9 | 512.9 | 512.9 | |||||
Booster |
Name | 4 LRB (L-40) | 4 LRB (L-40) | 4 LRB+ (L-45) | 4 LRB+ (L-45) | |||||
|
Length | m | 15.33 | 15.33 | 16.09 | 16.09 | ||||
Diameter | m | 2.25 | 2.25 | 2.25 | 2.25 | |||||
Liftoff weight | t | 158.8 | 175.9 | 194.3 | 194.3 | |||||
Propellant weight | t | 145.7 | 161.4 | 178.3 | 178.3 | |||||
Engines | YF-20B | YF-20B | YF-20C | YF-20C | ||||||
Propellant | UDMH/N2O4 | UDMH/N2O4 | UDMH/N2O4 | UDMH/N2O4 | ||||||
Total thrust (s.l.) | kN | 2,961.6 | 2,961.6 | 2,992.8 | 2,993.8 | |||||
Specific impulse (s.l.) | N*s/kg | 2557 | 2557 | 2557 | 2557 | |||||
Burn time | s | 125.8 | 139.3 | 152.3 | 152.3 | |||||
Total impulse (vac) | MN*s | 401.3 | 444.3 | 490.9 | 490.9 |