I have a big queston about emp bombs.

Does the range of the EMP blast depend on the number of coils?

If yes, how is it related?

If not, what determines the radius of the blast?

Please, answer!

Thx!

D3T0N@T0R

LikE OLFG Da DETOnator U ARe uber COollsz!

fuck of jewbag

Aside from the above idiot, you'd probably have better luck in Mad Scientists or another forum dealing with physics and elecromagnitism.

I know a few people who've worked with EMP's, so I'll send them to this thread.

http://www.ausairpower.net/wp50-draft.pdf
Have at it.

go with what vineman said. We are mostly HE's and fireworks..
though i would think the more coils would work. Yet the best way to make an EMP is to set off a nuke :/

Im actually quite intrested in EMP's i would be very intrested in some designs of non nuclear emp's and there range as well

Yeah I think this could make for an interesting and different discussion for BB.

I for one would like to learn a little of the theory behing EMPs.

*goes of to learn!*

My experiments involve only non-nuclear EMP devices, for many obvious reasons.

In the totse archive (Ka fucking boom) there are 2 tutorials on making non-nuclear EMP bombs. One involves explosive material, and the other one doesn't do it.
I read both the tutorials and surfed around on the net looking for further infos, but I didn't find things I was looking for.
I also read the document posted before, and it's really interesting, but it doesn't really explain things in a practical way.
So now I have some questions:

1st: Which one of the 2 tutorials I found in the site is correct? With explosive or without any explosive?

2nd: If an explosion is needed, as one of the tutorials says, could I use an aluminium cased capacitor(some capacitors have aluminium case) as an explosive and aluminium tube?? (in this tutorial it says that an aluminium tube is needed and the capacitor would be an AL tube filled with a potential explosive)
The explosion would be ignited by short-circuiting the capacitor.

3rd: If there is no explosion involved, how much power will it need?


Answer please

Don't read anything off the Ka-Fucking-Boom archive of the site. It's full of bullshit and garbage, 99% of which the author pulled directly out of their ass when writing it.

If you want to learn about EMP devices just because you're interested in the subject and want to educate yourself more, I suggest you start at my favorite place, Wikipedia.

The more energy you put into the capacitor, the larger the EMP effect will be. As for the explosion, it needs to hit the coil pretty hard. Wikipedia explosively pumped flux compression generator if you want explore the physics behind it and see the potential results.

Not sure about it being real but there was that pinch thing in Oceans 11.

Normally I trust popular mechanics, but how accurate is this?
http://www.popularmechanics.com/tech...w/1281421.html

Alright.

The guide with explosives, if I remember correctly, won't work. An explosive EMP is amazingly hard to build.

The guide without, if I remember correctly, is just a shoddy magnetic field oscillation generator or something of the sort (well, technically a real EMP is too, but on a much larger scale - this generates the kind of fields used to power speakers) and won't do a whole lot of anything. Even a degaussing coil would be much stronger.

As for the distance problem, that's like saying "If I make a sound, at what distance will it be audible?". Yes, it'll depend on coil size, but also the amount of power going through it, and similarly, not only will it not just stop working at a given point (attenuation is inverse-square of distance) but it's going to depend on the surrounding environment's magnetic fields and ferromagnetism.

Short version:
There's no 100% reliable way of knowing for sure whether an EMP will do what you need it to at a given distance without trying it. Or maybe spending hours doing experiments and calculations.

And neither of the designs work.

I have the instructions for building a non-explosive high-voltage directed/focused EMP discharger... It's remarkably fucking powerful.

Damage from EMPs is caused by a strong changing magnetic field created b y a solenoid. The magnetic field of a solenoid depends on a vast number of factors including the number of turns per unit length, the inner and outer diameter of the coil, coil length, current through the coil, presence of flux inhibitors, etc...

If you can be more specific with your question the good people here in BB could probably help you.

And why haven't you posted them?

actually I think a lot of people have them in there kitchens but haven't figured it out yet.

Not even close to the same thing.

Actually... infinitely close; I have a friend who rearranged one and pointed it at stuff. Flourescent tubes lit from across the room, 'n fried electronics.

...of course, it helped that he actually knew how to make a columnating lens for the damn thing...

http://en.wikipedia.org/wiki/Electromagnetic_pulse
http://en.wikipedia.org/wiki/Microwave

Not very similar in mechanism at all. They do have a few things in common, but no matter how big a microwave you make you're not going to disable electronics you don't have a line of sight to.

Edit: oh yeah, EMPs don't cause blindness. :P