How to Make Kelvin Water Dropper/Lord Kelvin's Thunderstorm
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- Опубликовано: 16 июл 2024
- How to make a Kelvin water dropper or Lord Kelvin's thunderstorm. Includes both step-by-step instructions and tips and tricks for getting it working.
To see how it works, watch "Kelvin Water Dropper and How it Works":
• Kelvin Water Dropper a...
For more information see:
rimstar.org/science_electronic...
Also see "Franklin's Bells - How to Make and Demonstrations", another simple science project:
• Franklin's Bells - How...
And for how to make a simple circuit to light an LED using dead batteries watch "Make a Joule Thief for Zombie Batteries":
• Make a Joule Thief for...
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I know this video was uploaded a long time ago but I wanted to thank you for making this. It was very informative and I was able to make my own Kelvin water dropper yesterday. It was very cool watching the sparks and seeing the streams of water scatter as charges built up and then straightened as it discharged. Thank you!
You're welcome! I'm glad to hear it worked out for you. I agree, it is pretty cool to watch it in action. Thanks for watching!
Cool! It's nice when you get it working with super simple materials like that.
Good question. I don't have any sure answer for why the stream breaks up into drops. I'm guessing it has something to due with the acceleration due to gravity, the farther down it has fallen the faster the speed of the water. So the drops are moving faster than the stream. But since it's also dependent on the size of the hole, the hole might have some effect on the initial velocity.
I'm glad you like my video! Thanks!
Fantastic! I love the clear explanation and tips, and especially the use of regular household items where possible.
Yeah, I'm finding I can do a lot with stuff from around the house. All it takes is imagination while searching through stuff. Glad to hear you're going to try it. Feel free to ask if you run into problems. Let us know how it goes either way. As for warm water freezing quicker than cold water, I've heard the same thing but never looked into it.
Thanks! I'm enjoying yours too. I've never done much chemistry and I like the way you present it. I use Sony Vegas Movie Studio Platinum 11 i.e. the version that's around $100. For the price it's pretty good. But I also use other tools too. Have a look at my "Behind the Scenes at RimstarOrg as Thx for 1 Million Views" video from August of last year where I give a rundown of how I make my movies if you're really curious.
You can make it smaller, the limit being due to the water drops getting repelled from the receivers (the bottom cans) and the need for some spacing between the two sides, as mentioned in the video. The kv is because it produces direct current and that the spark gap has a low capacitance. The low capacitance means that the small charge in the current can reach high voltage in a reasonable time. So if your app has a small capacitance, or can wait for the charge to accumulate, then yes.
Thanks! Yeah, it looks simple to make, just a few cans and wires, but there are still a bunch of variables and can be tricky to make work.
The attraction is weak at first but it is strong enough to repel or attract electrons in the water. This happens when the water is beside the can, not where the water begins to flow.
Sorry for the later reply. RUclips flagged your comment as spam. I don't know why it did that.
@Abdulmalik alshaibi No, you don't have to remove the paint for the inductors. You do have to make sure the wire that connects to them is connected to metal.
Regarding the other cans on the bottom, soda cans usually have a coating inside them so you may have to scrape some off so that the water contacts the metal if you're using soda cans there too.PS There's no Reply button under your comment because of your Google+ settings.- go to your Google+ page,- in the top, right corner click on your thumbnail icon,- in the popup that appears, click on "Settings".- for the 2nd question down "Who can comment on your public posts?" set it to "Anyone".
Thank you so much for the fast reply.
RimstarOrg hey can you connect this to a Leyden jar or multiple Leyden jars using water ?
You're very welcome. Happy to have helped!
The accumulation of charge inside a receiver can that's on the table depends on the number of electric drops that fall into the can and the charge on those drops. Regarding rings, if you have a ring instead of an inductor can and drops circled around and touched the ring then the ring would lose some charge. In my case the water wasn't circling around like that though.
Thanks! And welcome!
Thanks! And welcome aboard!
thankyou...i had made this with a cup some straws and foil....i barely made sparks but it nicely spaced the drops under it...
thnk u sir for answering my questions and making my doubts clear......grt pleasure tlking 2 u...thnks......
Thrown together or not, those are some fun and good edits. :) You should do more. And thanks for watching.
Cool video. Thanks for sharing.
It can be used to charge a capacitor. In fact, that's what the spark gap is. It's a two plate capacitor with an air gap as the dielectric. We just happen to charge it too much, so much that the dielectric breaks down. It's a very low capacitance but high voltage capacitor.
hi im zack this is really cool im 13 and im using this as a science project just wanted to thank u
This is awesome... I was looking for an experiment for a free energy project....It seems I found enough substance ...here.... Many Thanks...May be.... lets collaborate if it works...!
thanks ....
nice work
Thanks.
Thanks. Love your movies. :)
Hi there. Great video! :) im trying to do this for my science experiment, but im facing some difficulties. Would it be alright if i ask u some questions here?
for my set-up, im using retort stands to hold the two cans in mid air, the same retort stand is also used to support the wooden plank which holds the reservoir. (is this workable?)
would this be a suitable RQ for an experiment?
How does the rate of flow(size of hole) affect the amount of voltage generated?
Great videos
I made one of these (let's see....) around 1970 for a junior high science fair, and won 1st place. Was able to fire (light up) small neon bulbs. Was a fun project. This I saw it in an old poplular science magazine article
I know nothing about rodin coils. Where would you think to put them in the circuit and why?
Very good working model! SUBBED
Interesting question. Lightning isn't a result of the raindrops that fall from the clouds to the ground but it is a result of some activity at least in part to do with moisture in the clouds. From what I've read we still don't know the exact process of the charging that results in lightning.
the mainstream explanation is that frozen droplets hit each other as they are carried upward by updraft current and heavier ones fall and hit the smaller ones
but i think they are neglecting the amount of positive ions that raindown from the cosmic rays that create an electric potential in our atmosphere
:) I try and keep the parts down to things everyone has around the house.
Wow can't believe you watched my vid :D still watching yours and they are right up my alley. Your so cool and that vid of mine was pretty bad because I just threw it together as a test. Keep up your great content :))))))
I tried making this for my science fair.I use wood and scewed in the inductors to the wood.I put the cans on the bottom above styrophome.I have brass door handles that are fairly round.Im still not getting a spark.Tips?
I built a kelvin generator for high school, many many decades ago, and in the circuit between the lower cans I had 8 NE2 bulbs in series and the spark gap. You thus got both flashing lights and spark.
Tom Gillett Nice.
thank you
Why at the start up there is a different electric charge in the containers ?
Are not all neutral the drops of water ?
The charge of water drop depends from its radius ?
Depends from different value of charges present in the tanks in the startup ?
Are the containers or the drops different antenna (LC circuits ) for electromagnetic waves received from external enviroment ?
Some of your questions are answered in my other video "Kelvin Water Dropper and How it Works". There only has to be a different charge in one place on one container, and there usually just is - not everywhere is always neutral. The charge of water drop depends on the voltage between the water stream and the inductor can before the drop breaks away from the stream. There's nothing to do with LC circuits or antennas here.
thank you so freaking much :D
Thanks for answering my question, but I also had another question on how I would attach this generator to the LED light. Like how would I power it? 2 alligator clips attached on both ends?
You'd have to build up the charge first, just like you normally do while waiting for the spark. So I guess wire a very low capacitance capacitor to the spark gap so instead of getting a spark, you'd accumulate your charge in the capacitor. Then, once you've accumulated enough charge in the capacitor, you'd somehow dump that charge into the LED. That part, I don't know how you'd do. :(
Thanks you :)
The accumulation of charge inside the bucket, depends from the number of electric drops deflected that go on the table (not in the bucket and not in the conducting can ) ? .... Becose if charged drop goes over the conducting ring, the charge of ring goes down and the process stop. If all the charged drop goes inside the container, the value of charge in the container dosen't change ....Is it right ?
Could I make this small as possible and still get the same kv , does it just depend on size of spark gap many thanks ....jc
Last question. Why in normaly condition, the solid stream flux of water become turbulent,swirling down, and divide stream in drops , bubble of water ?
P.S. Your video are gorgeous !!!
If i want to use soda cans for the inductors, do i need to remove the paint.
would a rodin coil advance this process or impede the arcing?
Thanks for the fun project, my kids will love it.... I do have one question, Why not use a can opener for the can bottoms @ 2:08 lol just have to razz you a little bit, Great video A+
Would this work for an example of lightening?
How many volts can u get from this please ..many thanks Jc
In my STEM class my group is trying to make this, we were wondering if we needed the wire at the bottom of the can? Or is that just if there's a coating?
LuckyStrikes The wire at the bottom of the can is there just to help if there's a coating in the can. If your can doesn't have any coating i.e. it's all metal, then you don't need the wire.I'd put the wire because the area of coating I'd scraped in the bottom of the can kept getting rusty, which isn't a great electrical conductor. So I put the wire as an extra path for electricity to flow from the water to the top lip of the can.
what happens if you don't let it arc and put one of the containers through again? supercharged water?
nice video, you've just got yourself a sub :)
That depends on your spark gap size. For the wide spark gap size I showed in the video near the end I'd estimate it was roughly 10 kilovolts.
Nifty! ❤ Thank you very much for the presentation! Could you light a bulb with this or is it only voltage no amps? Watts?
Hm. I've got an old electrical project book where sprinkler cans were used for the inductors. In order to ensure sparks and maximize charge separation, the author recommended lining one with a plastic cup.
I have tried everything. still not working.
need help please !
1. do the both end open cans have to have the insulation scraped off ?
2. what type of errors to use ? will multiple wires bound together work ? with insulation.
3. to electrically connect the water containers how think should the al foil be ?
Can you add a Leiden jar and connect it?
Someday I'd like to make a larger one of these.. with multiple streams through each inductor, and using about forty gallons of water.
A suggestion might be to try using a can opener instead of tin snips or a hacksaw - might be easier and make less sharp edges.
Can this be used to say...charge a capasitor?
Hello there, thank you for the amazingly awesome video! I have a question. How do you know if the top 2 cans is a positive or negative charge? like let's say both of my top cans are negative charges (or positive) how would i be able to make the other one a different charge?
The answer to how to know is complicated and involves using an electroscope. See my video "Positive or Negative? How to Find Electric Charge Polarity" ruclips.net/video/HupFY_24o-4/видео.html for instructions. The 2 cans should be oppositely charged automatically though. I guess you could simple touch one with your finger while it's running to unbalance the charge.
You could use at least 3 transistor, a led, anttena to easily build a polarity detector
Hi!!
Nice work, what happened if you use water from the sea?
Thanks
Ionwind Vortex Using salt water or sea water doesn't make a significant difference. You can see details for a test for that done as a science project by an 8th grade student and his grandfather here on my website rimstar.org/science_electronics_projects/how_to_make_a_kelvin_water_dropper.htm#KTM_KELVIN_CONDUCTIVITY_TEST.
The current is very, very low so it would take a very long time to charge a AA battery.
so ultimately the inductor u have used is a simple metal can ........
istead of can cn i use a copper coil...will it work..
It should work. Some people even use a copper ring, but I think that would be harder to line up with where the falling stream of water turns into individual drops. Keep in mind, by inductor we're talking about electrostatic induction, not electromagnetic induction.
Please can you tell me the approximated height of the wood-stand the you used ...
By looking at the video, I'd say very roughly 20 inches.
is it necessary to use brass balls i am using the bottom part of my tin can
but i am having no results
i have checked everything
plz help
have you ever made a cryptex??i just madeone and it turned out to be a mess.....i would love to see one from you....
Hello, I have another question.
I would like to know how you could use this generator to power certain electronics. What can it power and how would you attach it to the electronic to power it. You could possibly explain this in a video demonstrating what you can power with this generator and how to do it, if you cannot make a video, is it possible still to answer my question?
I can't think of anything it could power. It's extremely week. But I guess it can be scaled up in size and quality to maybe make an LED light up every now and then.
electrostatic generators arnt much efficient to generate current
but recently i read a paper about a jet electrostatic generator that reassembles kelvin water dropper
but they use just one and not a tandem
instead using gravity, they use as they describe it balistic enertia and they slow the droplet using an electric field
I'm trying to do this experiment with my little brother. we have everything set up but still we can't manage to get a spark. we've tried with different cans of different diameters, and right now we covered some cans with aluminium foil (so all of it can conduct electricity). we've checked the conductivity of the cans to the balls were the spark should be happening and it works, but somehow when we let the water fall it doesn't work. it's a fluent stream when it's passing the first cans and then is turbulent when is exiting it. Any tips or ideas?
Thanks for the help and for the great video.
+tomas lugo In order for the charging of the stream to take place, the stream must fall fairly close to the inside wall of the inductor. Even though in the my example I used soup cans for the inductors, the stream ended up having to pass only about 1 centimeter (1/2 inch) from the inside. So you don't need big diameter cans. It will take a lot of adjusting to get this right.
The parts of the two objects that face each other at the spark gap should not be sharp points. They should be smooth. That's why I used two metal balls. You can find rounded drawer handles in hardware stores but make sure you scrape off any possible coating where you connect wires to them and where they are facing each other. Put a dark background behind the spark gap to see faint sparks. Try with a very small spark gap.Thanks for watching and have fun!
I'm trying to do the same experiment as shown in the video for a school project. The only major difference is that I am using nails and brass bars instead of brass balls.I kept all the problem in mind that could occur but it still isn't working. Can you please tell me what else can I do to make it work? My project is due in 2 days.
Rakesh Mittal You mention nails and brass bars for the spark gap. Make sure that the parts facing each other across the spark gap are not sharp. The rounder they are the better.It does take some adjusting, mostly with making sure the water
entering the inductor cylinders from the top is a solid stream and the
water coming out of it is not. Also the position of the stream inside
the inductor cylinders makes a difference. So play around with the
height of the cylinders in the stream and try getting the stream as
close to the inside of the cylinders as possible without touching.You could also try making an electroscope like I show in my video "ruclips.net/video/sArNxGnYhNU/видео.html" You can see how to make one in my video "ruclips.net/video/2PmWlPjV6n0/видео.html".
Also, put a background behind the spark gap and try making the gap small to see faint sparks.
Rubberbands are your favourite tool, or?
I have a metal on the inside, plastic on the outside container? Would that work?
Yes, that should work. Just make sure you connect the wires to the metal.
I would be really grateful if you could answer this question... I am trying to build a water dropper for a project, but I can't find a way to measure the voltage or current that is generated in the system. Where would I have to place the multimeter? Thanks!
This is high voltage (1000s) so you can't use a multimeter with normal probes. However, there are high voltage probes that you can connect to your meter. I have a video about the one I use most often ruclips.net/video/kXq4FCQ0C38/видео.html.
You could use the spark length to estimate voltage instead. I wrote an article here about doing that hackaday.com/2016/12/08/measuring-high-voltage-in-millimeters-and-other-hv-probe-tricks/. It also talks about high voltage probes.
Measuring current is trickier since high voltage is involved. I've used an analog meter in the past but I don't think the current is high enough with the water dropper for that. Another possibility is to connect a resistor inline with one of the wires going to one end of the spark gap, making sure to keep all connections without sharp edges and away from any water, and measure the voltage across that resistor. Then use the formula, current = voltage / resistance. I haven't tried that method yet.
RimstarOrg Thanks a lot! I have seen someone use a galvanometer to measure the current. How would I have to connect that?
I've never used a galvanometer, though it seems very much like an analog meter. Just disconnect one of the wires going to one side of the spark gap and connect one end of the galvanometer to that wire and the other end to the spark gap. If the needle doesn't move, or if it goes the wrong way, then disconnect the meter, turn it around and connect it back up again.
Does the Kelvin Water Dropper have a extremely high amount of electricity? Can it charge my iPad/Computer? Or is it only strong enough to power an LED light?
It's output isn't good enough for either of those things, practically speaking. But if you accumulate enough of it in a capacitor over a period of time you could make the LED turn on briefly. Then you'd have to wait while it accumulates more to turn it on again.
Whatever the cans are positive or negative,the attraction is weak at first.Also,the cans are far from the place where the water begin to flow.So why could the cans attract ions in the water?
thank you
can we use metal wires wound into two rounds as inductor coils?
harish gureddygari Yes, you can. You'll still have to position them such that the water is a solid stream above the wire rounds and droplets below the wire rounds.
RimstarOrg does area of cross section of inductor has anything to do? i mean will it affect the exp?
harish gureddygari I don't see that it would matter.
Good Day :) I'm so interested with this one so I decided to use this in my presentation, but of course with the acknowledgement for you . I've try to do this water dropper, I've also follow all the instruction that you gave but why is it still not working and produce a spark?
+Leniram Ledodnum Hi. Read through the comments to this video. You'll find other people have had problems too and found solutions and if you still can't find the problem, let me know.
+Leniram Ledodnum Yes Sir I also did your comment with their problems but it is still not working. Can I have some questions?? Does the rust in the can affect the flow of electricity or charges?
+Leniram Ledodnum Yes, the rust can affect the flow of electricity. If there's rust then you should scrap it off and try again.
+Leniram Ledodnum I've already use a new one can but it is still not working, do I need to use the same can that you've use on your video?
+Leniram Ledodnum No, you don't need the same can that I used. And it sounds like you've already been scraping any coating on the inside off, so that's good. Make sure that however you're connecting to the can with the wires is connecting to the _metal_ of the can.
Here are some tips copied from the comments below...
Make sure the water enters the inductor cans (the ones that the water falls through) as a stream and exits as drops as I show in the video.
It does take some adjusting, mostly with making sure the water entering the inductor cylinders from the top is a solid stream and the water coming out of it is not. Also the position of the stream inside the inductor cylinders makes a difference. So play around with the height of the cylinders in the stream and try getting the stream as close to the inside of the cylinders as possible without touching.
There may also be a coating inside the cans that are sitting on the table that could be interfering. The coating may not be visible. Use a sharp object (e.g. the tip of scissors or a knife) to scrape some of the coating off inside those cans. The areas you scrape should be areas that are under water.
The two ends of the spark gap that face each other should not be sharp points. They should be smooth.
Put a dark background behind the spark gap and try making the gap small to see faint sparks.
You could also try making an electroscope like I show in my video "ruclips.net/video/sArNxGnYhNU/видео.html" You can see how to make one in my video "ruclips.net/video/2PmWlPjV6n0/видео.html".
You might also get some ideas from my webpage about this:
rimstar.org/science_electronics_projects/how_to_make_a_kelvin_water_dropper.htm
(I'll add all of the above to that webpage too. Seems like a good idea.)
hello sir i just want to aquestion tht how tht hollow can will act as a inductor and simply charge without any charge on it....just only can will act as a inductor .....sir please explain....
r
That's a hard one to explain in a comment reply. Have you watched my video about how this works? You can see it here ruclips.net/video/sArNxGnYhNU/видео.html
If you're asking how it has a charge to begin the whole charging process, very rarely will two objects be completely neutral. So as long as there's a very small difference then that's enough to get things going in this case.
can make the spark gap by just crushing aluminum foils into near spherical shapes?
Vatsal Singhal Yes. But you want the sides that face each other to be as smooth as possible, so maybe make one wrinkled ball of aluminum foil and then wrap some more foil around that ball but wrap it so it's fairly smooth, especially on one side.
Or even a recharageble AA over time
Does the coating in the induction cans have to be completely taken off?
Ilin Karagjozov No. I scratched off just a bit. Just a dozen good scratches or so.
Thank you for the quick response. And have lots of health and happiness in the upcoming year.
hey so ur saying me tht a simple can will behave as a inductor and will have a bit of charge right......
Um... Chances are that it will have a very tiny charge on it but not useful by itself, not even detectable by most instruments. Machines like Kelvin water droppers and Wimshurst machines make use of that to start pumping more and more charge until you do have a useful amount.
So before I get my kid started on this, I just wanted to know for the speak gap..I do not have any more wire that will go from the inductors to the spark gap..do you have a solution for this?
+Chris Kemp You can find wire by taking apart old electrical appliances and things. I use wire from things that way sometimes. I guess you would use strips of aluminum foil instead of wire but the sharp edges will reduce the effect. I guess folding the edges of the foil would help.
I wish I had found this when my kids were little. It would have made a great science fair project. What happens if you don't let the charge discharge with the little balls? I figure the charge would build but then what?
The charge would build. If the gap is too large for the spark to happen then the charge would likely just leak away at any sharp edges having reached some maximum allowable by those sharp edges and maintain that maximum.
I'm using soda cans instead of the type used in the video. They do conduct electricity, and I've taken all other mentioned precautions. But still the spark ain't happening.
Can you suggest some other remedy?
From tests I've done in the past, I know that at least some soda cans have a non-conductive coating inside which you'll have to scrape off to make contact with as described in this video. Other than that though, rather than repeat a lot of tips, I have a section with tips on my webpage here: rimstar.org/science_electronics_projects/how_to_make_a_kelvin_water_dropper.htm. Let me know if that still doesn't help.
I'm trying to do this for a project, what could I use instead of brass balls?
Any smooth, roundish metal objects will do. For example, drawer handles sold in hardware stores, bolts with rounded heads, ...
Would using two bolts such as these www.boltdepot.com/images/Chrome/chrome-hex-bolts.jpg with the ends as the spark gap work?
Yup, those bolts should be good.
That's not a can opener? What do people use? :D You're welcome for the project. I'm sure your kids will enjoy it. Have fun!
Does the water falling through the second botomless can have zo come in contact with it?
+Peter Bucek No. You don't want the water making contact with the bottomless cans since that would electrically connect them together and cause them to have the same charge. It's okay if some water sprays onto the cans (it's hard to avoid that), but you don't want the solid stream of water that's falling into them to be in contact.
+RimstarOrg Thanks so much for such a fast reply, I am definately gonna try this since you've inspired me!
+Peter Bucek Cool. Be sure to check out the How-it-Works video too ruclips.net/video/sArNxGnYhNU/видео.html. There are also a bunch of tips on my webpage about it here rimstar.org/science_electronics_projects/how_to_make_a_kelvin_water_dropper.htm.
+RimstarOrg Thanks
Last time I fine tuned my hole my farts were silent for awhile lol
Would it be better to line the cans with aluminum foil instead of scraping them?
Good idea. Make sure you connect the wires to the foil.
Perhaps it'd be easier if it was made twice the normal size. It does look like a fun project, but it's not the type of thing that this channel is about and my todo list for that is already huge. Too bad, because like I said, looks like fun.
Hi! Me and a partner are trying to make a similar set up for a nano science class in our high school and we're facing some difficulties. Is there any way to get in contact with you to do some trouble shooting or ask some questions?
Natalie Elowitt Sure, ask away. But first check through these comments since I've helped others here already and also see my webpage rimstar.org/science_electronics_projects/how_to_make_a_kelvin_water_dropper.htm.
RimstarOrg okay so we've spent a bunch of time trying out different receivers and even cans that we scraped but we're still having issues getting a spark. there was some attraction between the water and inductors but it was brief and not strong. we're using two plastic buckets as reservoirs and brass dresser knobs for our spark gap. we've sanded that down to remove any possible coating. do you know of any way to get results? we think that the receivers are our problem but we are not sure and would appreciate any input. thank you!
Natalie Elowitt I found the water has to be close to one side of the inside of the inductors but not touching. So most of the can isn't playing a part at all. Playing with the inductor positions vertically and horizontally seems to be the most important thing. Make sure you've not only scraped some of the inside of the receivers but also make sure that where you attach wires to the receivers and the inductors and the brass knobs are making contact with metal. Also, put a dark background behind your spark gap. The spark can be so faint that it might be there and you're just not seeing it well enough. Try with the brass knobs very close together.
Kelvin Generator+ RAM pump= unlimited Energy 🙏
i'll look into it. surely a mechanism can be devised to replenish the upper reservoir from the bottom ones.
@@h7opolo thanks Buddy 👍
@@divedeeperer nah, ram pump aint the answer. it loses a lot of water to push up just a small portion of the remaining water. it wouldnt be able to continuously replenish the upper tank.
👍👍👍👍👍👍👍👍👍👌
Did you measure the voltage coming out?
No, I didn't measure the voltage. It really depends on the shapes of the electrodes at the spark gap though.
@@RimstarOrg very interesting. I always wondered if the shapes made a difference.
@@ShadowGPSDFX larger spheres have more capacitance than smaller spheres (given the same material in all cases) and can hold a greater charge before causing the electrical breakdown of air.
I used 4 monster energy cans but was not able to create a spark. I want your help to make it for my school project which is just after 3 days.
Harshvardhan Agarwal It takes a lot of adjusting. Make sure the water enters the inductor cans (the ones that the water falls through) as a stream and exits as drops as I show in the video. Looking at photos online, monster energy cans are quite tall. Maybe cut the ones used for the inductors to half their length. That'll make it easier to make sure the water enters as a stream and leaves as drops. Also, have the stream close to the inside edge of the inductor cans but not touching.There may also be a coating inside the cans that are sitting on the table that could be interfering. The coating may not be visible. Use a sharp object (e.g. the tip of scissors or a knife) to scrape some of the coating off inside those cans. The areas you scrape should be areas that are under water. Be careful not to cut yourself on the edge of the cans.Also, make sure that where you are connecting your wires to the cans that you're connecting to metal and not paint or some coating. Scrape away there too until you see metal. You could use sandpaper there to scrape since that area's easier to get at.What are you using at your spark gap? The two ends of the spark gap that face each other should not be sharp points. They should be smooth.If that doesn't help, you can go to my website rimstar.org and at the bottom find my email address and send me photos.
Harshvardhan Agarwal Your inductor cans, the ones the water flows through, don't look lined up very well with the bottom cans. Was that just for the photo or is your water flowing in a large curve? It's critical that the water be a solid stream above the inductor cans and then turn into droplets somewhere on their way through the inductor cans.Also, I'm not sure if I was clear but there may be a coating INSIDE the bottom cans. You also need to scrape away some of that INSIDE coating where the water inside contacts it like I did in the video. I'm not sure if you did that.I'd also suggest lifting the rounded objects for your spark gap up so they're not touching anything. In your photo it looks like you might just be sitting them on the wooden on the table.
Hi again. i.imgur.com/Z1Otpp9.jpg This is my setup but I cant get it to work. Would you have any idea why? My cans are very crudely cut for the inductors with kinda jagged edges but the water seems to attract to the sides well enough. As a last question, how long would the water have to be flowing until the first spark occurs? Thank you!
If your water is attracting to the sides then it's working. Try moving your bolt heads closer together i.e. making your spark gap smaller and look at it with a dark background -- maybe even dim the lights. The spark may be very tiny. Having everything wet like it is in the photo can create losses by having some charge conduct where it's not supposed to, which would make the spark smaller. The thing the bolts are sitting on is pretty dark so look downward at the spark gap. I'd also suggest drying up a lot of the water on the floor and the yellow wires or at least make sure the yellow wires don't touch. Since the yellow wires are all wet that makes the outsides of them electrically conductive and if they touch then they'll conduct to each other, shorting out the effect.
As for how long until the first spark, mine was only a few seconds.
I 'd like to see this system with salt water and the metal tubes cover with thin plastic layers
Which wire is best for this
Any wire will work. However, since there's water flying around, you should at least get wire that has insulation on it (i.e. not bare wire).
Okk
I'm korean high student. it's a great video. Can I clip it?
임철 What do you mean by clip it? Reuploading this video somewhere else is not allowed but you can click on Share below the video and use the Embed code that's given there to embed the video somewhere else.
RimstarOrg I'm sorry I'can't write english well
If i use copper wire then can it work?
Yes, any type of metal wire will work. Mine were copper.