Encyclopedia Astronautica
Titan Transtage

N2O4/Aerozine-50 propellant rocket stage. Loaded/empty mass 12,247/1,950 kg. Thrust 71.17 kN. Vacuum specific impulse 311 seconds.

Cost $ : 14.500 million. No Engines: 2.

AKA: Transtage.
Status: Out of production.
Gross mass: 12,247 kg (27,000 lb).
Unfuelled mass: 1,950 kg (4,290 lb).
Height: 4.57 m (14.99 ft).
Diameter: 3.05 m (10.00 ft).
Span: 3.05 m (10.00 ft).
Thrust: 71.17 kN (15,999 lbf).
Specific impulse: 311 s.
Burn time: 440 s.
Number: 130 .

More... - Chronology...

Associated Countries
Associated Engines
  • AJ10-138 Aerojet N2O4/Aerozine-50 rocket engine. 35.6 kN. Out of production. Originally developed for Vanguard and Able. Two used, thrust uprated from 3540 kgf to 3628 kgf, with higher specific impulse, in Transtage. Isp=311s. Flown 1964-1980. More...

Associated Launch Vehicles
  • Titan 3A American orbital launch vehicle. Titan with Transtage third stage. Core for Titan 3C. More...
  • Titan 3C American orbital launch vehicle. Titan 3A with five segment solid motors. Man-rated design originally developed for Dynasoar spaceplane. More...
  • Titan 23C American orbital launch vehicle. Post-MOL standardisation of Titan 3C, with man-rated systems removed, upgraded first stage engines, digital avionics, blowdown solid rocket motor thrust vector control in place of pressure-regulated system, simplified Transtage attitude control system. 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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