Feasibility of raising up an object with cord and satellite

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In summary, the conversation is about the concept of a space elevator and a variation of it that involves using a strong cord and a satellite in geosynchronous orbit to levitate objects off the ground. The possibility of this variation and potential technical challenges are discussed, as well as the similarities to the traditional space elevator concept.
  • #1
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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  • #2
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?
 
  • #3
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.
 

1. Can an object be raised up with just a cord and satellite?

Yes, it is possible to raise an object up with just a cord and satellite. The satellite will provide the necessary force to lift the object, while the cord will act as a support to keep it in place.

2. How much weight can be lifted with this method?

The weight that can be lifted with this method depends on the strength and capabilities of the satellite and cord. It is possible to lift objects of varying weights, but it may require a larger or more powerful satellite and cord.

3. Is this method cost-effective?

This method can be cost-effective depending on the specific circumstances. It may be more cost-effective in certain situations compared to other methods such as using a crane or helicopter. However, the cost will also depend on the availability and cost of the satellite and cord.

4. Are there any potential risks or limitations to using this method?

There are potential risks and limitations to using this method. The satellite and cord must be strong enough to lift the object without breaking. There may also be safety concerns if the object is being lifted over a populated area. Additionally, this method may not be feasible in certain weather conditions or locations with limited satellite coverage.

5. Are there any real-life examples of this method being used?

Yes, there have been examples of this method being used in real-life situations. For example, in space missions, astronauts have used cords and satellites to lift and maneuver objects in outer space. Additionally, in some remote or difficult-to-reach locations, this method may be used to transport supplies or equipment without the use of traditional transportation methods.

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