Haha I love the switch :D Good Job man, keep going! Where did you get these amazing capacitors?????

@CoilLabs

2 жыл бұрын

Thank you! I got those capacitors on eBay several years ago. I have no idea what their original purpose was, lol. They must have been a custom order, because I don't see anything like them on the manufacturer's website (Electronic Concepts Inc). The big thing I don't like about them though is they have absolutely tiny little wires and are definitely not meant for this kind of pulse power stuff. I don't know why they would make capacitors like this with such tiny wires, lol.

Why doesn't your channel get more views??? These videos are awesome!!

I don't think that the resistance you measured is the full picture. The coil has some inductance which prevents the current from changing instantly, and probably significantly increases the impedance from .4 ohms, given the short duration of your pulse. Thus the current through the wire is likely much lower than 5000 A.

@CoilLabs

2 жыл бұрын

You're absolutely right, the inductance does lower it a bit, but it's actually not significantly less (in my opinion, "significant" is a subjective term), if you simulate the circuit. So it's a series RLC circuit, with R = 0.4 ohms and C = 4*200 = 800 uF. L is tricky to know accurately, but going off of air core coil inductance calculators for that coil geometry it says about 2.6 uH. Now assume it's actually a bit higher than that due to the aluminum can (not purely air core) and other parasitic inductances from the layout of the wires and a little bit from the capacitors themselves. Let's be really conservative with that and round it all the way up to L = 10 uH. If you simulate the differential equation for the RLC circuit, with an initial capacitor voltage of 2000V, you get a peak current of about 4285 amps. See this figure I generated from simulating the circuit imgur.com/a/5AuTwKm . A non-negligible amount less than 5000 for sure, but still in the ballpark. I guess I could rename the video and say something more like 4000 amps, but it's close enough to still get the point across.

@theswelldudesfishtanks7461

2 жыл бұрын

@@CoilLabs Thanks, I appreciate the explanation! What program did you use to make the graph?

@CoilLabs

2 жыл бұрын

It's just a little python script I wrote to simulate RLC circuits. The plots comes from python's matplotlib library. I'm planning to make a Coil Labs GitHub page sometime soon to share code I write whenever I have projects involving software. I can put this python script on there when I do and respond here to let you know when it's up, if you'd like.

It’d be interesting to see that in super slo-mo. Also, maybe get a gauss meter to measure magnetic fields in your experiments.

@CoilLabs

2 жыл бұрын

Totally agree, I wish I had a proper slow motion camera, haha. And yeah, it would be interesting to see how strong the magnetic field from that really is.

Nice. Stupid stuff with high voltage electricity that you definitely shouldn't try yourself? Hell yeah!

Nothing here went "BRRRR"; it was all "KAPOW!!!"

hey could you link those capacitors? thanks

@CoilLabs

2 жыл бұрын

I found them on eBay years ago and I haven't seen anything like them since. Label says they were made by a company called Electronic Concepts Inc, but I don't see this specific model mentioned on their website anywhere. Maybe discontinued or they were a custom order.

2:29 yah edison already did that ...

Nice, I did the same thing one time, just with mutch less energy. It whas enough to crush a thin roll of aluminum foil a tiny bit tho.

@CoilLabs

2 жыл бұрын

Probably a lot safer than what I did here, lol

@firefox1136

2 жыл бұрын

@@CoilLabs You are right, it could still kill you tho. At some point I will do It on a larger scale. But I dont feel confortable doing that rn or in the near future.

@CoilLabs

2 жыл бұрын

The other thing you have to be careful with at even larger scales than what I did here is molten electrode shrapnel. People who do this kind of stuff with way bigger capacitor banks usually enclose their switch electrodes inside a padded / armored box that can stop high speed chunks of metal that might come flying off of the electrodes. I've seen pictures of the aftermath inside those boxes. Looks like a bomb went off, lol.

@firefox1136

2 жыл бұрын

@@CoilLabs You are right, maybe I will use a trigatron as a switch. I would still have to shield it tho, for the case that it explodes.

It'll give you a jump-stop

Huh... The can crusher is pretty much just an exploding coil EMP gun... if you get more capacitance, a really fast switch and do everything possible to get an exceptionally short rise time, so the coil doesn't get hot, resistance goes up and it just kinda slumps, melts, & arcs. You need a KA-POW! And a parabolic reflector. Then see if you can brick an old laptop from 10 meters or so. 🤔

Wow that little cap is 200 micro?

@CoilLabs

2 жыл бұрын

Yeah, and I have 4 of them in parallel here. Got them on eBay a long time ago. Not sure what they were originally for. They're definitely not meant to do pulse current like this though, because they have these tiny dinky little wires. I'm definitely abusing them in ways they were never meant to be used, lol. The internals of the capacitors seem to handle it fine though. Just the wires for connecting to them are total junk, haha.

😂😂 yes, I want to see more stuff I shouldn't try! 😅

Damn!

cool

Can you make musical tesla coil

@CoilLabs

2 жыл бұрын

The coil shown in the new video I just released is capable of playing music, actually. I need to set up some additional circuitry to feed it with musical tones, however. Definitely be showing that working in a future video!

@psmbclass

2 жыл бұрын

Thanks sir love from India

Im already try this experiment last month ..plz do no try this .at home .if you are an beginner .