Please confirm magnetic levitating rotor

  • Thread starter Thread starter Salvador
  • Start date Start date
  • Tags Tags
    Magnetic Rotor
Click For Summary

Discussion Overview

The discussion revolves around the authenticity of a video demonstrating magnetic levitation, specifically focusing on the mechanics of a levitating rotor and the arrangement of magnets involved. Participants explore the principles of magnetic levitation and express varying degrees of skepticism and understanding regarding the demonstration presented in the video.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant questions the reality of the video, asking if there is a trick involved.
  • Another participant analyzes the arrangement of magnets, suggesting that the configuration could create an equilibrium position for the rotor, explaining how the repulsion between the semi-circle and disk magnets might work.
  • A different participant speculates that the magnets used in the demonstration might be repurposed from old speakers, implying a practical application of common materials.
  • One participant expresses no issues with the concept of magnetic levitation itself, clarifying their initial skepticism was directed at the video rather than the phenomenon.

Areas of Agreement / Disagreement

Participants express a mix of skepticism and understanding, with some agreeing on the feasibility of magnetic levitation while others question the specific demonstration in the video. No consensus is reached regarding the authenticity of the video itself.

Contextual Notes

Participants do not fully explore the underlying assumptions about the magnet arrangements or the specific conditions required for the levitation to occur, leaving some aspects of the discussion unresolved.

Salvador
Messages
505
Reaction score
70


what do you think is this video real or is there a trick somekind ?
 
Physics news on Phys.org
The static semi circle magnets look just off centre from the levitating disk shaped ones. If the semi circle ones have, say their north poles facing towards the axis of rotation and the disk magnets are axially polarised and have their north poles facing inwards towards each other, then the semi circle ones would repel both of them in opposite directions due to them being slightly closer together than the disk ones are, this would create an equilibrium position in the axial direction. The semi circle magnets would also repel the disks vertically, this repulsion would be countered by the weight of the axle and disk magnets at some height, these two combined create a point of equilibrium where the axle can spin. Doesn't look like anything weird happening, you can buy toys that do the same thing.
 
the magnets look like taken from old speakers and simply arranged to work with this application
 
No problem with that, they're still magnets. What are you thinking the issue is?
 
no I am ok there is no issue just at first I was a bit skeptical because of the video not the fact that magnetic levitation is a real phenomenon.
 

Similar threads

Undergrad Would an BLDC motor with rotor winded like a mirrored stator rotate?
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad How Does a Magnetic Repulsion Machine Work?
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Motional EMF in Faraday disc, co-rotating magnet axial mean flux
  • · Replies 5 ·
Replies
5
Views
1K
Graduate PPMT, Magnetic Flux Switch, electro-permanent magnet generator
  • · Replies 8 ·
Replies
8
Views
4K
Undergrad Can Electromagnetic Levitation Make an Entire Apparatus Go Skyward?
  • · Replies 3 ·
Replies
3
Views
1K
High School Do materials surrounding magnets affect how superconductors levitate?
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Why is my magnetic levitation experiment not working?
  • · Replies 22 ·
Replies
22
Views
4K
Graduate Questions about magnetic levitation of a Thompson Ring
  • · Replies 6 ·
Replies
6
Views
3K
Graduate Magnetic Gears For Power Transmission
  • · Replies 16 ·
Replies
16
Views
3K
High School Magnetic Levitation (electromagnets?) for an 11th grader
  • · Replies 3 ·
Replies
3
Views
2K