Levitation using earth's magnetic field - electric propeller .

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Discussion Overview

The discussion revolves around the concept of levitation using Earth's magnetic field through a proposed mechanism involving an "electric propeller." Participants explore the feasibility of this idea, examining the role of electric currents and magnetic fields in achieving levitation, as well as the challenges associated with current return paths and charge conservation.

Discussion Character

  • Exploratory
  • Debate/contested
  • Technical explanation

Main Points Raised

  • One participant proposes a method of levitation using three wires with sequentially applied currents to manipulate magnetic field lines.
  • Another participant challenges the notion of counting magnetic field lines and questions the feasibility of the proposed current sequence, emphasizing the need for a current return.
  • A suggestion is made regarding a "band saw" concept for current return in a shielded area, but this is met with skepticism.
  • Participants discuss the limitations of using Earth's magnetic field for levitation, noting that it is too weak to lift objects effectively.
  • Concerns are raised about the viability of using a one-pole power source without a return path, with implications for charge conservation being highlighted.
  • Some participants express frustration with the lack of foundational understanding in the proposals, suggesting that the ideas presented are not grounded in established physics principles.

Areas of Agreement / Disagreement

There is no consensus among participants. Multiple competing views remain regarding the feasibility of the proposed levitation method, the role of current return, and the validity of the underlying concepts.

Contextual Notes

Participants note limitations related to the assumptions about magnetic field manipulation, the nature of electric currents, and the implications of charge conservation. The discussion reflects a range of technical understanding and foundational knowledge among contributors.

Who May Find This Useful

This discussion may be of interest to individuals exploring concepts in electromagnetism, propulsion mechanisms, and theoretical applications of magnetic fields in levitation.

BKSL
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Levitation using Earth's magnetic field - "electric propeller".

I have idea how to levitate using weak Earth's magnetic field.
It is something like electric propeller - magnetic field line booster.

There is 3 wires (in this case). With no current in wires all is standard, no levitation.

1.SEQ: First wire have current, 1.field line going down
2.SEQ: First a second wire have current, 1.and 2. field line going down
3.SEQ: All wire have current, all field lines going down.

Restart sequence: All wires without current.

Again 1. SEQ to "sucking" another field line from above.
2. SEQ ...
3. SEQ ...

Restart ...

Only condition is that sequences must be count quicker against magnetic field lines restoring.
Is this possible ?

Levitation using earths magnetic field - electric propeller.jpg
 
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Field lines are not countable, and they are not objects that will "push" anything. Anyway, you get a force between cables and a magnetic field, so that is not the main issue (ignore the "sequence", that is irrelevant).
A cable with current in the proper direction will see a force upwards, but where is your current return? You cannot simply create charges at one end and remove them at the other side. With a current return, you get a force downwards, and both cancel.

The vertical component of the magnetic field can be used in that way - make a horizontal ring with a strong current, and you get a force upwards everywhere. The magnetic field of Earth is too weak to lift that thing, however.
 
mfb said:
A cable with current in the proper direction will see a force upwards, but where is your current return?

Return will be in shielded area.
Something like "band saw" where blade will be wire (without movement of course).

Next idea can be self charged power sources with + and - potencial at the end of wires.
Something like charged skies vs Earth during flash.
 
BKSL said:
Return will be in shielded area.
Something like "band saw" where blade will be wire (without movement of course).
That does not work.

Next idea can be self charged power sources with + and - potencial at the end of wires.
Something like charged skies vs Earth during flash.
Throwing in random buzzwords is not an "idea".

Please start with the basics first, otherwise those "ideas" are pointless and will lead to nothing.
 
Why shield does not work ?
 
"Why does magic not work?"
There is no reason to expect something to work unless you have a specific mechanism how it is supposed to work.

Shielding can change the shape of the field, but it cannot completely "remove" it. You still have the field in the setup and it has to cross the return wire somewhere.
 
The idea of those cables is to get the same influence on both directions, so their contributions cancel. They are great if you have a closed circuit in them (both directions in the same cable), something that would be useless here.
 
1 pole power source

And what about this power source ? It is one pole, no return.

1_pole_power_source.jpg
 
  • #10
BKSL said:
And what about this power source ? It is one pole, no return.

View attachment 66838

without a lot more working info, that drawing is meaningless


Dave
 
  • #11
BKSL said:
And what about this power source ? It is one pole, no return.

View attachment 66838

Instead of arguing fruitlessly about this, why not accept that your proposal is a non starter. After all, you did come to a forum of relative experts so shouldn't you accept what they're telling you?
To argue against them successfully, you need to spend a few years actually learning the subject.

Anyone who thinks they've come across some magic form of propulsion / energy source / cure for all disease should first ask themselves why it is not available in the shops.
 
  • #12
BKSL said:
And what about this power source ? It is one pole, no return.
This would violate charge conservation.

Unless you have some electric connection to earth... but then it is a simple current loop, that is easy and does work. The StarTram is a huge proposed structure that could work like that.
 
  • #13
sophiecentaur said:
Anyone who thinks they've come across some magic form of propulsion / energy source / cure for all disease should first ask themselves why it is not available in the shops.

And that's a good place to close this thread at.
 

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