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Author Topic: what about the wimhurst generator?  (Read 17221 times)

nitinnun

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Re: what about the wimhurst generator?
« Reply #15 on: December 17, 2008, 06:06:04 AM »
the whole point of free energy, is to power our homes.


the best way to power a home,
is to give each appliance its own power supply.
sepperate from all others.

this would eliminate the need to install wall outlets,
would reduce the amount of danger (lower wattage, and less cords to damage),
would lessen the need for transformers,
and would be far easier to implement.


if someones expensive,
bulky,
unworkable,
undeveloped,
hard-to-implement-pet-peeve,

can power my computer more efficiently,
than a 6 inch long by 6 inch wide stack,
of simple,
cheap,
easily replaced,
HOME MADE wimhurst generators,

than they should tell us all about it.

scotty1

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Re: what about the wimhurst generator?
« Reply #16 on: December 17, 2008, 07:10:19 AM »
Here is a clip of my Wimhurst being powered by one of my magnet motors  ;D..10 watts input.
http://au.youtube.com/watch?v=OqXtWeAQx60
You can see the static has crept into my magnet motor!
Scotty.

Pirate88179

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Re: what about the wimhurst generator?
« Reply #17 on: December 17, 2008, 08:29:04 AM »
@ Scotty1:

Nice video (5 stars) and very nice build there.  I am confused because my physics professor at college said that static electricity can not be made to do work, it is static and that is why it is so named.  After being here on OU dot com for almost 2 years, I now know better.  Heck, I did my laundry today and just for laughs, I took a cfl and held it by the glass tubes while I was folding my sweaters.  Well, that bulb lit up very brightly quite a few times. (lots of static, I don't use dryer sheets)  I would really like to look up that professor and tell him what I have learned.  Lighting a bulb is work...correct?

That is quite an apparatus you have built there.  I can see you put a lot of work into it.  Very nice job.

Bill

nitinnun

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Re: what about the wimhurst generator?
« Reply #18 on: December 17, 2008, 08:54:07 AM »
i could build a magnet motor driven wimhurst, that takes up several times less space/materials.


i didn't know that wimhurst generators existed, until a short time ago.
and i'm still meditating upon MANY design possibilities.

but once my wimhurst is finished, it will be a masterpiece among hand crafted devices.

TinselKoala

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Re: what about the wimhurst generator?
« Reply #19 on: December 17, 2008, 01:06:33 PM »
Very nice work, scotty!!

I can give you some tips to improve the voltage output of your machine. As a goal, the machine should be able to make sparks of about 2/3 the diameter of the disk.
The first most important thing is to make everything as smooth as possible. Get rid of all sharp edges and projecting points. One thing that will help right away is to trim off about half of the pickup combs, so you will be picking up only from the outer inch or so of the disks. Make the neutral combs cover the same area. Insulate the edges of the sectors on the disks by coating the sectors with varnish or corona dope, except for the area where the pickup combs and brushes will contact. With metal sectors and contact brushes, the pickup brushes and neutral combs can be made quite small. With non-contact corona machines like mine, the brushes need to be larger, but for maximum voltage on either machine, you can eliminate the pickup brushes altogether!! (This does reduce current output, though.) Not the neutral combs, though, these are critical.
The edges of those metal sectors on the disks prevent Wimshurst machines from reaching their full "potential" !! Or you can even get rid of the sectors all together and just use dielectric disks, for even better performance.
Also look to the Leyden jars. The same thing about insulating sharp edges applies here too. Much power can be lost in the jars if you aren't careful. Keep conduction paths dry and spaced well apart.
Dust and moisture on the parts of the machine that are supposed to be insulators can severely lower voltage. But paradoxically, a wipedown of the metal conducting parts with a slightly dampened lintfree cloth can improve performance.
The neutral structures are far more important than many folks realize. They can be a source of leakage, and their positioning is crucial for good performance and maximum voltage and current.

Oh, and, nitinnun, I first studied Kelly's work some time ago. Thanks for bringing it up again. I had forgotten how amusing it was. But if you want to understand electrostatic machines, you really should read some other stuff, and take Kelly with a (considerable) grain of salt.

(edited a speling errror.)
« Last Edit: December 17, 2008, 07:22:34 PM by TinselKoala »

Steven Dufresne

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Re: what about the wimhurst generator?
« Reply #20 on: December 17, 2008, 05:11:38 PM »
@nitinnun,
Thanks for the passages from D.A. Kelly's book. If the testatika is what Kelly is talking about in his book then I'm quite familiar with it as I've been researching it and trying to replicate it since 2005. See:
 http://rimstar.org/sdenergy/testa
Over the years I've found that people either correctly refer to a Wimshurst machine as the specific electrostatic machine that consists of two neutralizers, two collectors and two leyden jars in a specific configuration. Then there are those who mistakenly refer to any dual disk electrostatic machine as a Wimshurst machine. Not only does the tesatika look nothing like a Wimshurst machine, except for having disks, as timselKoala pointed out, it's a lousy design for a Wimshurst machine.

I have noticed the similarity of the magnet circuit with Coler's stuff before. Another correlation is with the Hyde generator.

@Scotty,
Thanks for your videos. I always enjoy looking at your stuff. It's great seeing what others have built, expecially when they're as creative as you.
-Steve
http://rimstar.org   http://wsminfo.org

nitinnun

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Re: what about the wimhurst generator?
« Reply #21 on: December 17, 2008, 10:20:55 PM »
i've been "researching" energy physics.

not the mainstream "hubris-disguised-as-understanding",
but what "i" can figure out, from my own observations on free energy devices.


the horse shoe magnets and magnetic cylinder diode on the swedish wimhurst, "fit together" very well, with my understanding of the physics.
but i have a large amount of "how", to work out.

my intuition says to focus heavily on the horse shoe magnets, and the magnetic cylinder diode.

nitinnun

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Re: what about the wimhurst generator?
« Reply #22 on: December 17, 2008, 10:35:58 PM »
i just got the wimhurst machine that i ordered from images SI inc.
it generates lightning bolts one after the other, VERY quickly,
when the electrodes are 1 inch a part.


but i am confused.....

i measured the electricity on one multimeter, that's amperage setting has always been broken.
the voltage measured 60 volts, at max speed.

then i measured the electricity, with my other multimeter.
and it read 30 volts, at 20 AMPS!


it was my understanding,
that wimhursts normally generated a lot of voltage,
at little amperage.
not a measely 30 volts, at a whopping 20 amps.

is my wimhurst somehow converting excess voltage, into more amps?
as per a transformer?


or is my multimeter extremely inaccurate?

(the multimeter beeps for mercy, when i set it to measure milliamps.)
(which means that the amperage is WAY above the range of milliamps!)
(like it would be, when measureing a battery. which has more amperage, than voltage)

TinselKoala

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Re: what about the wimhurst generator?
« Reply #23 on: December 18, 2008, 12:29:07 AM »
Hah!
You will soon learn to keep your IC-containing equipment far away from your electrostatic machines!

The way to estimate high voltages in spark gaps is to use a "sphere gap" table and some interpolation. For spheres of diameter greater than the gap distance, they are quite accurate. You can figure about 30 kilovolts per centimeter of gap, if the spheres are large and smooth. Less for smaller spheres or "needle" gaps, but still over 10 kV per centimeter. So you might have hooked your DMM up to anything from 30 to 90 THOUSAND volts. That will definitely cause the meter to give you inaccurate readings. For the rest of its life, if any.


nitinnun

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Re: what about the wimhurst generator?
« Reply #24 on: December 18, 2008, 12:43:44 AM »
let me be clearer.


i hooked the multimeter pins up,
directly to the spark electrodes.

so that NO BUILD UP could happen.

so the charges IMMEDIATELY mixed together,
into electricity.


what i was reading,
was the per second RECHARGE RATE,
of the wimhurst.

NOT what the output has become,
after the voltage has built up,
and the amperage has stagnated.

since the charges could not build up to monsterous levels,
and the amperage could not stagnate in the layden jars,
the reading was 30 volts at 20 amps.
which are perfectly safe levels, for a multimeter.


i checked my multimeter on a 9 volt battery, afterwords.
the battery read 8.3 volts, at 2.63 amps.
which is what 9 volt batteries usually read as.

the RECHARGE RATE of the wimhurst, did no damage to my multimeter.
even though the extreme voltage of the BUILD UP, would have.



who told you that wimhurt generators HAVE to be measured, with a spark gap?????
the oil companies?

what is wrong, with my zero-buildup method?

TinselKoala

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Re: what about the wimhurst generator?
« Reply #25 on: December 18, 2008, 12:49:24 AM »
Nothing's wrong with it, it's just fatally inaccurate.

I'm glad you didn't blow your meter, though. If you check the internal fuse you may find out why the ammeter of the one isn't working.

By having the relatively low-impedance meter hooked up, you are indeed preventing the buildup of charge. Unfortunately, the machine, like all electrostatic induction or influence machines, depends on the buildup of charge in order to start working at all. So I'm not sure what you are measuring. But it's easy enough to prove that it isn't giving you 30 volts at 20 amps, isn't it? Got a car headlight lying around?
I still think that you got up to some high voltage and confused your meter, and got lucky and didn't harm it permanently.

"i checked my multimeter on a 9 volt battery, afterwords.
the battery read 8.3 volts, at 2.63 amps.
which is what 9 volt batteries usually read as."

Are you saying that you hooked your meter directly across the terminals of a 9-volt battery, in DC AMP mode, and it read 2.63 amps? No resistors or other loads, just the ammeter across the battery??

And a fully charged 9 volt alkaline battery should read something closer to 10 volts, no load.


nitinnun

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Re: what about the wimhurst generator?
« Reply #26 on: December 18, 2008, 01:02:55 AM »
the multimeters amperage setting, never worked from day one.
it never worked, years before i got this wimhurst.


you do understand that the multimeter creates a circuit, to test the voltage/amperage.
right?

the voltage/amperage of both polarities, are connecting together, inside the multimeter.

the multimeter HAS to test this way. because positive charge alone and negative charge allone, cannot be measured by any known electronics.
the 2 polarities can only be tested, WHEN MIXED TOGETHER INTO ELECTRICITY.

TinselKoala

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Re: what about the wimhurst generator?
« Reply #27 on: December 18, 2008, 01:05:17 AM »
Did you hook your multimeter directly across the poles of a nine volt battery, in the DC AMP setting?

Or did you arrange a resistive load, hook the battery to the load, measure the amps thru the load, and the voltage while under load (which is the correct way to do it)?

I understood your statement to mean the first. If the second, good for you and I apologize.

"the multimeters amperage setting, never worked from day one.
it never worked, years before i got this wimhurst."

Yes, that I do understand. But they generally have an internal fuse on the low amp connection, and this fuse commonly blows and is sometimes hard to find.

"positive charge alone and negative charge allone, cannot be measured by any known electronics"

This I disagree with, but again maybe there's a communication problem. Get a NE-2 neon bulb, the kind with two little rod electrodes inside. Tape one lead to a stick and let the other lead stick out. Hold it near the charged electrode of your machine. One or the other of the neon's rods will glow, depending on whether it is near the positive or the negative polarity. No circuit is needed, just the field gradient.
And that's just a single simple example that you can do yourself at home.

nitinnun

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Re: what about the wimhurst generator?
« Reply #28 on: December 18, 2008, 01:26:50 AM »
i'm not sure what you are asking.
but this is what i did:


i used clips,
to firmly connect the positive multimeter lead,
to the positive battery terminal.

and the negative multimeter lead,
to the negative battery terminal.

8.3 volts,
at 2.63 amps,
from the 9 volt battery.
(this 9 volt has been used a little, on other things. so it is not at full charge)


then i "completely disconnected" the multimeter, from the battery.
and hooked the multimeter up, to the wimhurst.


i used clips,
to firmly connect the positive multimeter lead,
to the positive wimhurst electrode.

and the negative multimeter lead,
to the negative wimhhurst electrode.

30 volts,
at 20 amps,
from the wimhurst
(at max hand cranking speed).


then i "completely disconnected" the multimeter, from the wimhurst.
and hooked it back up to the 9 volt batter.
the same way as before.

8.3 volts,
at 2.63 amps,
from the 9 volt battery.
just like before.



the multimeter DOES mix the 2 polarities together.
similar to a load.

because voltage/amperage can only be measured,
when the 2 polarities are mixed together, into electricity.

since the multimeter SHORTED OUT the 2 electrodes,
only the recharge rate per second, could be measured.

WITHOUT voltage build up,
and WITHOUT amperage stagnation.

nitinnun

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Re: what about the wimhurst generator?
« Reply #29 on: December 18, 2008, 01:49:26 AM »
the 2 polarities,
are still mixing together,
inside that neon bulb.


one polarity is just passing through the air,
to get into the bulb.

i think that neon bulbs use high frequency AC electricity.
but ANY frequency of AC electricity, can pass through the air.


even the unmixed polarities,
can travel a very short distance through air,
to reach an electrode.