Feasibility of raising up an object with cord and satellite

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SUMMARY

The discussion centers on the feasibility of using a cord with immense tensile strength to levitate an object on Earth by connecting it to a satellite in geosynchronous orbit. Participants confirm that this concept closely resembles the established idea of a space elevator, which also begins at geosynchronous orbit and requires a counterweight to maintain stability. Key challenges include addressing wind and weather conditions that could affect the system's functionality. Ultimately, the theoretical possibility of this variation aligns closely with the principles of space elevator technology.

PREREQUISITES
  • Understanding of geosynchronous orbit mechanics
  • Knowledge of tensile strength materials
  • Familiarity with space elevator engineering principles
  • Awareness of atmospheric effects on structures
NEXT STEPS
  • Research advanced materials for tensile strength, such as carbon nanotubes
  • Explore the engineering challenges of space elevators and their solutions
  • Study the dynamics of geosynchronous satellites and their orbital mechanics
  • Investigate the impact of atmospheric conditions on tethered systems
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Aerospace engineers, physicists, and anyone interested in advanced space infrastructure concepts will benefit from this discussion.

TheBigK1d
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I know of the concept of a space elevator, and that right now it's not technologically in our grasp, but I thought up a variation on the concept.

Using a cord with huge tensile strength, could an object on, or very close to, Earth be levitated off of the ground if it was connected with this cord to an satellite in geo-synchronous orbit that's speed would compensate for the weight of the hanging object.

Of course there would be huge technical problems involved with the wind and weather, but would it be theoretically possible?
 
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TheBigK1d said:
I know of the concept of a space elevator, and that right now it's not technologically in our grasp, but I thought up a variation on the concept.

Using a cord with huge tensile strength, could an object on, or very close to, Earth be levitated off of the ground if it was connected with this cord to an satellite in geo-synchronous orbit that's speed would compensate for the weight of the hanging object.

Of course there would be huge technical problems involved with the wind and weather, but would it be theoretically possible?

What is the difference between that and the Space Elevator concept? Just the orbital height of the satellite?
 
berkeman said:
What is the difference between that and the Space Elevator concept? Just the orbital height of the satellite?

There's no difference at all . When you build a space elevator, you would also start at a geosynchronous orbit, and lower a really strong cord. You'll also need to let out a counterweight at a greater radius, or just raise the satellite while you lower the cord, to make sure the whole contraption stays in a geosynchronous orbit.
 

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