Thrust structure

The thrust structure, also sometimes referred to as thrust barrel or thrust frame, is a load bearing structure inside a rocket which transfers the thrust generated by one or several rocket engines to the body of the rocket, usually formed by the fuselage.

Usually, the thrust structure is either composed of:

• A tubed-frame or light-frame structure if several engines far apart need to be connected to the body of the rocket.

• An inverted, hollow truncated cone stiffened with Stringers if one single or several nearby engines need to be connected to the body of the rocket.

Examples

Several examples of thrust structures

• The S-IVB Stage of a Saturn V rocket seen from below. The single J-2 Engine is mounted on a conical thrust structure.[3]
  The S-IVB Stage of a Saturn V rocket seen from below. The single J-2 Engine is mounted on a conical thrust structure.
• A diagram of the Space Shuttle Orbiter's main propulsion system. The truss structure on which the engines are mounted is seen in white.
  A diagram of the Space Shuttle Orbiter's main propulsion system. The truss structure on which the engines are mounted is seen in white.
• The thrust structure of the Saturn IB seen in the process of assembly at Michoud Assembly Facility
  The thrust structure of the Saturn IB seen in the process of assembly at Michoud Assembly Facility
• The thrust structure of the Space Launch System
  The thrust structure of the Space Launch System

References

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