Titan IV - General Characteristics

General Characteristics

• Primary Function: Space booster
• Builder: Lockheed-Martin Astronautics
• Power Plant:
  • Stage 0 consisted of two solid-rocket motors.
  • Stage 1 used an LR87 liquid-propellant rocket engine.
  • Stage 2 used the LR91 liquid-propellant engine.
  • Optional upper stages included the Centaur and Inertial Upper Stage.
• Guidance System: A ring laser gyro guidance system manufactured by Honeywell.
• Thrust:
  • Stage 0: Solid rocket motors provide 1.7 million pounds force (7.56 MN) per motor at liftoff.
  • Stage 1: LR87 provides an average of 548,000 pounds force (2.44 MN)
  • Stage 2: LR91 provides an average of 105,000 pounds force (467 kN).
  • Optional Centaur upper stage provides 33,100 pounds force (147 kN) and the Inertial Upper Stage provides up to 41,500 pounds force (185 kN).
• Length: Up to 204 feet (62.17 m)
• Lift Capability:
  • Can carry up to 47,800 pounds (21,680 kg) into a low-earth orbit
  • up to 12,700 pounds (5,760 kg) into a geosynchronous orbit when launched from Cape Canaveral AFS, Fla.;
  • and up to 38,800 pounds (17,600 kg) into a low-earth polar orbit when launched from Vandenberg AFB.
  • into geosynchronous orbit:
    • with Centaur upper stage 12,700 pounds (5,760 kg)
    • with Inertial Upper Stage 5,250 pounds (2,380 kg)
• Payload fairing:
  • Manufacturer: McDonnell Douglas Space Systems Co
  • Diameter: 16.7 ft
  • Length: 56, 66, 76, or 86 ft
  • Mass: 11,000, 12,000, 13,000, or 14,000 lb
  • Design: 3 sections, isogrid structure, Aluminum
• Maximum Takeoff Weight: Approximately 2.2 million pounds (1,000,000 kg)
• Cost: Approximately $250–350 million, depending on launch configuration.
• Date deployed: June 1989
• Launch sites: Cape Canaveral AFS, Fla., and Vandenberg AFB, Calif.