Martin Marietta  Aerospace Corp. / USAF

 Titan 3BS mod (34B) Titan 3C Titan 3C+ Titan 3D Titan 3E

Overall
Vehicle

 Operational from 10.03.1975 18.06.1965 06.11.1970 15.06.1971 12.02.1974

 

 to 12.02.1987 08.04.1970 06.03.1982 17.11.1982 05.09.1977
Orbital flights   11 14 22 22 7
Payload weight t GTO ? GTO 3.00 GTO 3.00 LEO 12.30 IP 2.60
Gross liftoff weight t          
Gross propellant weight t 168.57 543.49 543.94 533.69 548.42
Total length m 45.25 40.96 42.48 42.83 48.78
Max. diameter (span) m          
Total liftoff thrust (s.l.) kN 2,001.7 12,228.5 12,588.5 12,588.5 12,588.5
Total impulse (vac) MN*s 505.2 1,469.5 1,470.8 1,439.2 1,501.9

Fairing

 Total length m 15.24 7.62/9.14 7.62/9.14 13.97 16.76
Diameter m 3.05 3.05 3.05 3.05 4.27
Total weight t 1.5 0.75/0.91 0.75/0.91 2.0 2.8
Stage 4

Name

           Star 37E
  Length m         1.73
Diameter m 4.27 (0.93)
Liftoff weight t 1.123
Propellant weight t 1.039
Engines   TE-M-364-4
Propellant   solid HTPB
Total thrust (vac) kN 66.72
Specific impulse (vac) N*s/kg 2802
Burn time s 43.6
Total impulse (vac) MN*s 2.91
Stage 3

Name

   Ascent Agena Transtage Transtage   Centaur-1T
  Length m 6.40 (6.48) 4.48 4.48   9.14
Diameter m 3.05 (1.52) 3.05 3.05 4.27 (3.05)
Liftoff weight t 7.80 12.43 12.43 16.26
Propellant weight t 6.11 10.35 10.35 13.79
Engines (Chambers)   Bell 8247 AJ-10-138 (2) AJ-10-138 (2) RL-10A-3-3 (2)
Propellant   UDMH/IRFNA Aerozine50/N2O4 Aerozine50/N2O4 LH2/LOX
Total thrust (vac) kN 71.7 71.7 71.7 133.4
Specific impulse (vac) N*s/kg 2873 3050 3050 4336
Burn time s 245 440 440 448
Total impulse (vac) MN*s 17.6 31.6 31.6 59.8
Stage 2

Name

            
  Length m 6.59 6.59 6.59 6.59 9.21
Diameter m 3.05 3.05 3.05 3.05 3.05
Liftoff weight t 33.16 33.16 33.16 33.16 33.60
Propellant weight t 30.48 30.48 30.48 30.48 30.48
Engines   LR-91-AJ-11 LR-91-AJ-9 LR-91-AJ-11 LR-91-AJ-11 LR-91-AJ-11
Propellant   Aerozine50/N2O4 Aerozine50/N2O4 Aerozine50/N2O4 Aerozine50/N2O4 Aerozine50/N2O4
Total thrust (vac) kN 460.4 453.7 460.4 460.4 460.4
Specific impulse (vac) N*s/kg 3094 3094 3094 3094 3094
Burn time s 205 208 205 205 205
Total impulse (vac) MN*s 94.3 94.3 94.3 94.3 94.3

Stage 1

 Name            
  Length +interstage m 23.42 21.39 21.39 21.39 21.39
Diameter m 3.05 3.05 3.05 3.05 3.05
Liftoff weight t 139.68 124.68 125.13 125.13 125.13
Propellant weight t 131.98 117.76 118.21 118.21 118.21
Engines  2 LR-87-AJ-11 LR-87-AJ-9 LR-87-AJ-11 LR-87-AJ-11 LR-87-AJ-11
Propellant   Aerozine50/N2O4 Aerozine50/N2O4 Aerozine50/N2O4 Aerozine50/N2O4 Aerozine50/N2O4
Total thrust (s.l.) kN 2,001.7 1,941.7 2,001.7 2,001.7 2,001.7
Specific impulse (s.l.) N*s/kg 2472 2473 2472 2472 2472
Burn time s 163 150 146 146 146
Total impulse (vac) MN*s 393.3 351.0 352.3 352.3 352.3

Booster

 Name     2 SRM 2 SRM 2 SRM 2 SRM
  Length m   25.82 25.82 25.82 25.82
Diameter m 3.11 3.11 3.11 3.11
Liftoff weight t 461.70 461.70 461.70 461.70
Propellant weight t 384.90 384.90 384.90 384.90
Engines   UA-1205 UA-1205 UA-1205 UA-1205
Propellant   solid HTPB solid HTPB solid HTPB solid HTPB
Total thrust (s.l.) kN 10,586.8 (max) 10,586.8 (max) 10,586.8 (max) 10,586.8 (max)
Specific impulse (s.l.) N*s/kg 2334 2334 2334 2334
Burn time s 110.8 110.8 110.8 110.8
Total impulse (vac) MN*s 992.6 992.6 992.6 992.6