CALT / CASC

CZ -2E CZ -2E CZ -2F/SZ CZ -2F/TG

Overall
Vehicle

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