Martin Marietta Aerospace Corp. / USAF

Titan 3A Titan 3B Titan 3B+ (23B) Titan 3B mod (33B) Titan 3BS (24B)

Overall
Vehicle

Operational from 01.09.1964 29.07.1966 21.01.1971 21.03.1971 12.08.1971

 

to 06.05.1965 23.10.1970 22.04.1971 21.08.1973 17.04.1984
Orbital flights   4 29 2 3 22
Payload weight t LEO 3.50 LEO 3.30 LEO 3.35 GTO ? LEO 4.50
Gross liftoff weight t          
Gross propellant weight t 158.59 154.34 154.80 154.80 168.57
Total length m 38.47 42.00 42.00 41.95 44.03
Max. diameter (span) m          
Total liftoff thrust (s.l.) kN 1,941.7 1,941.7 2,001.7 2,001.7 2,001.7
Total impulse (vac) MN*s 476.9 462.7 464.0 464.2 505.0

Fairing

Total length m 6.01 7.62 7.62 13.97 7.62
Diameter m 3.05 1.52 1.52 3.05 1.52
Total weight t 0.2 0.5 0.5 1.5 0.5
Stage 3

Name

  Transtage Agena D Agena D Ascent Agena Agena D
  Length m 4.48 6.40 (6.48) 6.40 (6.48) (6.48) 6.40 (6.48)
Diameter m 3.05 1.52 1.52 3.05 (1.52) 1.52
Liftoff weight t 12.43 7.80 7.80 8..30 7.80
Propellant weight t 10.35 6.11 6.11 6.11 6.11
Engines (Chambers)   AJ-10-138 (2) Bell 8096 Bell 8096 Bell 8347 Bell 8096*
Propellant   Aerozine50/N2O4 UDMH/IRFNA UDMH/IRFNA UDMH/IRFNA UDMH/IRFNA
Total thrust (vac) kN 71.7 71.2 71.2 71.7 71.2
Specific impulse (vac) N*s/kg 3050 2854 2854 2873 2854
Burn time s 440 245 245 245 245
Total impulse (vac) MN*s 31.6 17.4 17.4 17.6 17.4
Stage 2

Name

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

Stage 1

Name            

 

Length +interstage

m

21.39

21.39

21.39

21.39

23.42

Diameter

m

3.05

3.05

3.05

3.05

3.05

Liftoff weight

t

124.68

124.68

125.13

125.13

139.68

Propellant weight

t

117.76

117.76

118.21

118.21

131.98

Engines

 2

LR-87-AJ-9

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

1,941.7

1,941.7

2,001.7

2,001.7

2,001.7

Specific impulse (s.l.)

N*s/kg

2473

2473

2472

2472

2472

Burn time

s

150

150

146

146

163

Total impulse (vac)

MN*s

351.0

351.0

352.3

352.3

393.3

* 19 vehicles with engine 8096-39 (UDMH/HDA)