Wireless energy transfer experiments ,Builders board

[ramset]

Forum Moderator and member GotoLuc
Will be hosting a build here .

This  is the place for :
- builders
-experimenters
-practitioners
-theoretic contribution  in area of   energy  transfer.
- people interested to discuss  this particular topic
Will try to focus our attention and  posts submitted in relation to that specific topic here.
anything related to
-Tesla Coil
- Viziv
-interface  and its variations such as:
a. dielectric  and dielectric with different dielectric properties
b. dielectric ( e.g air)   and conductive medium ( e.g copper  or aluminum)
    https://youtu.be/XOTLfnMOSqQ?t=369
c  dielectric  (e.g air) and  lossy conductive  medium ( e.g earth)
    https://youtu.be/XOTLfnMOSqQ?t=306
- HV AC power supply  that can be  used to power Tesla coil
- Generators and HV generators  that can be  used to power Tesla coil
- RF Amplifiers  that can be  used to power Tesla coil
- impedance matching  devices and tuners.
- Top Capacitors   and its futures/ and practical designs.
- energy transfer  from given  point A  to any  point B using interface
-  Near field and Far Field practical and theoretical
- modes of electromagnetic wave such as TM  mode
-Goubau line  (e.g https://en.wikipedia.org/wiki/Goubau_line)
-Schumann  Waveguide  and its resonances
- Waveguides and its futures
- Ionosphere /earth cavity and its properties if related
-related ground  and grounding techniques  e.g  counterpoise
 
To  miejsce jest  dla  tych  ktorzy zajmuja  sie tym konkretnym tematem  wyszczegolnionym  powyzej. 
это место только для людей, которые хотят говорить и экспериментировать в этой конкретной теме
характер этой темы объяснен выше
Dieser Ort ist für Menschen, die ihre praktische und theoretische Erfahrung in diesem ganz spezifischen Bereich einbringen möchten.

Respectfully
Chet K
Legal note: High  Voltage is dangerous .
It is   your decision of what you do  and nobody else.

[r2fpl]

https://www.youtube.com/watch?v=lMJr-oUYYDA

[ramset]

r2fpl Sir thank you for the very appropriate video ,here in this thread there will be a build with point to pointTesla energy transfer experiments as well as Viziv type investigations and hopefully experiments with direct energy Harvesting from the Schumann wave guide.
Thank you for the contribution
respectfully Chet K

Dziekuje dobry material
Wesley

[r2fpl]

https://www.youtube.com/watch?v=YlirYRhYvfM
https://www.youtube.com/watch?v=mDh5CcaghJU

more on the channell: https://www.youtube.com/channel/UC1c384Gyck10hhAifO5hspw

[groot]

Hello
Question to tesla coil builders:
Is capacitance of grounded tesla coil TOP LOAD (sphere or toroid) dependent  on it  elevation regards to earth or not?
Thx

[stivep]

https://www.youtube.com/watch?v=DlHoU54Pyv0
thank you   r2fpl
Wesley

[stivep]

Is capacitance of grounded tesla coil TOP LOAD (sphere or toroid) dependent  on it  elevation regards to earth or not?
Thx

Yes it is .
That capacitor size  must be as here:
https://youtu.be/XOTLfnMOSqQ?t=950
The Top Capacitor is one plate and earth is another.
So  increasing distance between two plates makes its capacitance smaller.
Please fallow  the instruction that : D= or > 4d
It is good to have d as  large as possible.  No sharp edges and mushroom shape is the best but  not critical.
If  you  chose mushroom shape than lower  edge of the mushroom must be bend inward to prevent  discharges.
_{Note#1: no sharp corners  !!!}
Wesley

[gotoluc]

Hello Wesley, Chet and all

The below 3 video demos are my first attempts to study power transmission.
As a first start I used what I already had on hand which is a self tuning (resonance) circuit that was built by Tinsel Koala.
I had made a set of matching Primary and Secondary coils tuned to resonate at 1.1Mhz
I used a single wire as a conductive medium (instead of earth ground or aluminum foil) connected between the lower wire of each Tesla secondaries coils.
The primary on the transmitter is connected to the self tune circuit and on the receiver is connected to a 18W bulb as load.

It is important to know and understand that this 15 feet single wire power transfer demonstration is not radio transmission.
Contrary to standard theory which states current needs a return path, in this demonstration power transfer is achieved by a single wire with no return path.
Part 2 video is an attempt to prove the return path is not achieved by air transmission by enclosing the receiver (under load) in a grounded Faraday cage.
Part 3 video demonstrates a maximized power transfer (compared to part 1) and also includes an approximate bulb power (in watts) comparison.

Part 1: https://youtu.be/kwfwkAtXUKY

Part 2: https://youtu.be/DKxx42Y9nqo

Part 3: https://youtu.be/slErtdgTdbs

Regards
Luc

[stivep]

Thank you gotoluc
Great example of  Goubau line
https://en.wikipedia.org/wiki/Goubau_line
https://accelconf.web.cern.ch/accelconf/BIW2012/papers/tupg007.pdf
https://tandfonline.com/doi/pdf/10.1080/23311916.2018.1507083

https://iom3.tandfonline.com/doi/abs/10.1080/09205071.2017.1317036?journalCode=tewa20
in this last link it is considered  TE mode  instead  of TM mode.
We want  TM mode.!! in out surface wave   for our power transmission.
TM mode:   Transverse magnetic waves, also called E waves are characterized by the fact that the magnetic vector (H vector) is always perpendicular to the direction of propagation.

_{Note#1: you  can also create  two cones structure with    wire as explained in links
it will work also with magnet wire as that wire is coated with dielectric paint.
Note#2: some of  you may have problem to identify it as Goubau  due to slightly different configuration.
but we  definitely   deal with surface wave in dielectric!!!/ metal interface.
don't be surprised   if it works also with non coated   copper  wire. Yes it will but the mechanism is exactly  the same  it will be copper/ air interface.
But if  we talking about effectiveness  of energy  transmission  than use Teflon coated wire 
Note#3:  it  is not much difference  if you use  1ft aluminum foil or you use wire.}
 
Top  Capacitor:
should look like  mushroom  or  torus  but  shape  is  not  critical and not so much important ( it is just the most easy  but   still   effective  form  of  it )
Top Capacitor when is large  it has  bigger capacitance and  adjustment can/must be  done  by changing the  size of it or elevation  .
However elevation is  that what gives us polarization and right   Brewster  Angle
https://overunity.com/18335/wireless-energy-transfer-experiments-builders-board/msg539151/#msg539151
Wesley

[poynt99]

Luc,
What I see with your experiment is that the apparently-invisible circuit is completed via the path from the top capacitance of the TC's to earth ground.
What leads you to believe that it is a longitudinal wave powering the lamp?
A Faraday shield around the RX coil won't shield the effect because essentially the earth is being used as the return conductor.
The shield may even improve the effect as it could increase the conductivity from the RX top capacitor to earth ground.

[stivep]

At best you can be ready to  make power transmission over the earth   as soon as tomorrow,
At worst you will  never do it
It is easy but   tricky
You really need to understand the 4 of my posts here:
https://overunity.com/17735/wesleys-kapanadze-and-other-fe-discussion-forum/msg539098/#msg539098
Wesley

[gotoluc]

What I see with your experiment is that the apparently-invisible circuit is completed via the path from the top capacitance of the TC's to earth ground.

Are you saying the transmitter top Pico Farad value capacitance is able to work its way down through 4" of cement, then countless feet of  non conducting sand to get down to current conducting ground to travel 15 feet then make its way back up through the same non current conductive medium up to the receivers top capacitance and can deliver 6 watts all without impeding the transmitter?

What leads you to believe that it is a longitudinal wave powering the lamp?

Because that's what experimenters say when they can't explain it

A Faraday shield around the RX coil won't shield the effect because essentially the earth is being used as the return conductor.

How high off the cement (ground) would the transmitter and receiver need to be to eliminate your ground thought possibility?

The shield may even improve the effect as it could increase the conductivity from the RX top capacitor to earth ground.

BTW, the grounding of the Faraday cage was added by the 87yo Lockheed Martin Physicist who visits the lab each morning. Yesterday he was convinced the current path was through the air (radio) and why I then built the cage. Then this morning when he saw the cage didn't change anything he was thinking the cage acted as an antenna to the top capacitor and thought once the cage was grounded its antenna effect would be neutralized. Once again to his surprise it changed nothing. He left still believing there's a current path somehow but could not identify it.
I'm quite sure he considered all ground path possibilities but could not consider it with the transmitter being battery operated.
So I'm sorry to say but your ground path possibility is not very convincing to me. However, I'm ready to consider a good explanation of how that could possibly work.

Regards
Luc

[stivep]

Compare  it to this.
Here you have shielded Faraday  cage too.
There is no electromagnetic longitudinal wave and there never was electromagnetic longitudinal  wave
It simply can not exist.
https://youtu.be/XOTLfnMOSqQ?t=369
Wesley

[r2fpl]

Hi Luc

I am glad you came back.
I can say that I did such an experiment and I confirm that energy goes through one wire. However, the bulb needs mass.
The receiving Tesla coil makes a virtual mass if I can say that. Try to lift the connecting cable or isolate it from the ground. PVC is a diaelectrician who can collect loads with change. I don't know if it's good, but check what happens after lifting the cable.

ps. I think Jeremy told you.

[DavidWolff]

Compare  it to this.
Here you have shielded Faraday  cage too.
There is no electromagnetic longitudinal wave and there never was electromagnetic longitudinal  wave
It simply can not exist.
https://youtu.be/XOTLfnMOSqQ?t=369
Wesley

Realy? not with an ordinary Tesla coil! I have seen Londetudinal wave experiments, it can assure you it can penetrate a steel box no faraday cage is of any use! and you can bank on that one.

Dave