Encyclopedia Astronautica
Titan 3B-1


N2O4/Aerozine-50 propellant rocket stage. Loaded/empty mass 139,935/7,000 kg. Thrust 2,413.19 kN. Vacuum specific impulse 302 seconds.

Cost $ : 12.470 million. No Engines: 2.

Status: Study 1965.
Gross mass: 139,935 kg (308,503 lb).
Unfuelled mass: 7,000 kg (15,400 lb).
Height: 23.99 m (78.70 ft).
Diameter: 3.05 m (10.00 ft).
Span: 3.05 m (10.00 ft).
Thrust: 2,413.19 kN (542,507 lbf).
Specific impulse: 302 s.
Specific impulse sea level: 250 s.
Burn time: 161 s.
Number: 51 .

More... - Chronology...


Associated Countries
Associated Engines
  • LR87-11 Aerojet N2O4/Aerozine-50 rocket engine. 1218.8 kN. Out of production. Isp=302s. Powered Titan 3 and 4 first stages. Replaced the -9 model, first flown 1968. First flight 1964. More...

Associated Launch Vehicles
  • Titan 3BAS2 American orbital launch vehicle. Configuration of Titan 3B proposed by Martin in mid-1960's. Titan 3B for deep space missions with Centaur upper stage, Algol strapons for liftoff thrust augmentation. Never flown. More...
  • Titan 3M American orbital launch vehicle. Man-rated launch vehicle designed for MOL and other missions of the 1970's. Malfunction Detection System initiated abort procedures during launch. Also suited for launch of 'bulbous and lifting body payloads'. 7 segment UA1207 motors developed but not used until Titan 4 in 1990's. Cancelled with MOL program in 1969. More...
  • Titan 3B American orbital launch vehicle. Titan core with Agena upper stage. Found to be more cost effective and higher performance than using Transtage. More...
  • Titan 33B American orbital launch vehicle. Basic Titan 3A core, except guidance provided by the Agena upper stage. The Agena and its payload were completely enclosed in a new 3.05 m diameter shroud. 'Ascent Agena' seperated after orbital insertion and did not remain attached to the payload. More...
  • Commercial Titan 3 American orbital launch vehicle. Commercial version of Titan 34D military booster. It differed in having a lengthened second stage and a 4 m diameter payload shroud to handle shuttle-class or Ariane-type dual payloads. More...

Associated Propellants
  • N2O4/Aerozine-50 Nitrogen tetroxide became the storable liquid propellant of choice from the late 1950's. Aerozine was a 50-50 mixture of hydrazine and UDMH developed for use in the Titan 2 missile. Copied in one Russian missile but otherwise straight UDMH used more commonly. Higher boiling point than UDMH. More...

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