Sends an EMP (Electro Magnetic Pulse) out and destroys the RFID (Radio Frequency Identification) tag. In this series, I'll be exploring electromagnetic weapons, how to build them, their function and application to the future, and the amazing possibilities electromagnetism has to offer.
CapacitorsThere are many kinds of capacitors, but I'll categorize them in "electrolyte" and "non-electrolyte".
Nice Article!I'm trying to do something similar to this for a project I have going, i already have a low voltage cap bank (around 1-2 Farads) which i used for testing different sizes of coil. The Core ConceptIf you're not familiar with electrons, copper coils, and generating voltage with a fluctuating magnetic field, don't worry, I'll go into these concepts in this section.For the sake of example and metaphor, let's say electrons "live" in conductive wire.
Well, the explosive EMP simply uses a directed explosion to "force" the magnetic field in a linear direction. Please explain if this is an idea that can be adapted for creating a much smaller application.Is the use of a capacitor or transformer really required?For a much smaller appliction? Unfortunately the Timing is not optimal over into PP more spacer used light barriers, part would be far better with only one coil!!!!
The EM-15 is a gun that the military could get lots of use from if it ever goes into production. Today, this system can not compete with firearms, because their firerate and punching power is much more higher than coilguns. And I have a suggestion: you should put a switch on the coilguns that adjusts its bullets speed. Now what I’m sure you would find is that the coil gun’s projectile probably only traveled 50 ft and fell harmlessly to the ground, while the tiny .22 rim fire made a nice round hole in the plywood. Why no military is currently interested in coil guns is that they just can not match the energies of current weapons technologies. All in all, the idea probably has been around since the first solinoid was created, and that was how long ago?
The military are actually working on a controlled EMP (One that targets specific vehicles or objects) and a programmable computer virus that transmits enemy data before destroying all computer files however it can lay dormant for weeks in the system so it can spread. We have nothing like the battery storeage technology to make worthwhile electronic weapons right now.
Needless to say, it spits pellets about 200 feet per second and is fun for shooting cans with. In relation to the legality of the coil gun and I have discovered that they are legal, even in Australia with its very strict gun laws.
I wouldn’t recommend carrying it down the street, or even cleaning it outside your local police station.
However the projectile is short and fat which increases the rise in the ballistic curve but also makes it hard to handle.
I see real potential for police work especially if it were made to have a power selector switch. To those talking about Kick back- Don’t forget that kickback is not caused by a hammer or propellant charge! If we briefly look at Newtons 2nd (F=ma) and 3rd laws (Every force has an equal and opposite reaction) we can explain kickback as a reaction to the projectiles acceleration. These types are represented by symbols: In a way, capacitors are quite similar to batteries.
Amazingly even when charged to 24 Volts (stored potential around 300 Joules) when the circuit was closed it did nothing to the calculator which was right next to the coil. By now, I've covered the hardware and general concept of electromagnetic pulse generators, but how exactly do they disable electronics? The flux-pole pulse simply modulates the general magnetic field to have a greater effect on electrons in surrounding conductive material.
The reason being that to machine the slot up to this point (thereby allowing beam feedthrough) would only leave a small web between each slot which could result in unacceptable accelerator deformation.


But, if they find a solition for the batteries then coilguns will be 10 times better then firearms, because they dont kick back, their projectiles can travel faster and more accurate than firearms and they wont make too much sound. OK, you cant carry a power generator in your backpack, so you cant use them as a handheld weapon, but they can mount coilguns on tanks, and make them EXTREMELY powerful. And when technology does allow coil guns to match velocities of current bullets, those coil guns will have just as much kick as traditional arms.
The gun laws only govern firearms (defined as any weapon that uses a controlled explosive to propel the bullet) or airguns. The average cop I doubt knows what a coil gun is and will probably attempt to confiscate it without asking whether it is legal or not. For drawing tutorials like this one, i think of the the final image first and do some experimentation to achieve the specific look.Sometimes i play around with filters, patterns, brushes etc. Although the bullets mass is low the relatively high acceleration results in a large force on the gun and consequently the holder. While I was reading the post I realized that you were talking about 400 v capacitors; but the microwave's transformer ouputs 2000 v !So, shall I use other type of capacitors or I rather change the transformer?Thankyou for everithing.
I am currently making one and it works well in short range.Can you suggest a way to increase the range of the Magnetron ?
How can an invisible field of energy have such a catastrophic effect on computers, cell phones, and most any other electronics? Any force used to push anything in any direction will have a certain amount of push back, and the hammer (there is no hammer anyway its a firing pin) in a conventional gun contributes nothing to the recoil. For example, theese guns can fire tank shells 10 times faster if we give them enough power.
This is because of the third law of motion: For every action there is an equal and opposite reaction. Bigass solinoids will use more energy than a modern 18 pounder, and although there is a chance that in a battle, a ship’s magazine will be hit, wouldn’t it be worse if the ships NUCLEAR REACTOR WENT CRITICAL? So basically you won’t feel any kickback because it is transferred into electrical energy. To make sense electronic weapons would have to be easily rechargeable, able to put out projectiles the weight of standard rounds as fast or faster. Sounds to me like it has great potential as a tranqualizer gun in say a zoo or something similar. Since the coil gun does not fall into either of these catagories, the law does not catch them. It will only be when you get to court and you (or your lawyer) demonstrate to the judge that it is not a firearm as defined by the act that any charges relating to the possession of fire arms will be dropped. This concept is the primary way we generate electricity; using coils of wire and powerful magnets.
Plus as long as your m-16 isn’t on 3 round burst and you have the proper grip on it, you will barely notice the kick, let alone allow it to throw you off target. So, when we want to shoot in long range we set it to H, it will shoot faster bullets with a lower firing rate, and when we get into a building (CQB) we set it on L so the weapons firerate will be faster and bullets will move slower. And they will be just as loud because most of the heard sound from a gun shot is in fact the sonic boom of the bullet breaking the sound barrier.
An animal under anasthesia is under conciderable stress as it is and is of great risk alone. You can recharge using a handle (like in those flashlights you can get at your local hardware store), so it’s actually ideal for the military, as Iron filings take up such little space, and just turning a handle to recharge it means you never run out of power. This, when triggered, would produce an intense magnetic field for a brief period, similar to a coil gun (see this article for more info). In a battery, a chemical reaction between two terminals and an acidic solution PRODUCES electrons. Inside the capacitor, the terminals connect to two metal plates separated by a non-conducting substance, or dielectric. If you've ever seen those "shake" flashlights, the little silver cylinder that's being shaken is actually a powerful magnet moving past a coil of copper wire, exciting electrons.


The fact that most bullets break the sound barrier, while I have yet to see a coil gun that could should be further proof that coil guns while cool are not powerful weapons.
So tell me, would you rather have a big explosion with lots of orangy pyrotechnics, or a f****ing mushroom cloud?
So any way of removimg stress during a proceedure (ie a gun that does not frighten the animal by goin bang!) would be of huge advantage.
On a small scale, this would be enough to reset a calculator or electronic clock, but not enough to be of any use.
Its quite easy to make a capacitor from two pieces of aluminium foil and a piece of paper or plastic, like a leyden jar (see this article on how to make a simple leyden jar shocker).
A transformer turns electricity into a magnetic field with a coil of copper, then back into electricity again using another coil.
An EMP generator follows the same concept; a high current pulse of electricity is released through a single or double loop wire antenna, creating an intense magnetic field that, in turn, excites electrons in any metal in the range of the magnetic field.
Before testing, remove any circuitry from the room! I am not responsible for any damage, harm, or widespread destruction you cause!
However, it is quite easy to make a more effective one (at close range), with a few more components, and time.
Depending on the voltage rating and capacitance rating, capacitors can be a small as a grain of rice, or as large as a garbage can and bigger. You'll need a fairly powerful high voltage transformer to fill your capacitor bank quickly, a MOT (microwave transformer) or ZVS flyback transformer would work nicely, if properly used (these are VERY DANGEROUS and can KILL YOU INSTANTLY).
For a practical DIY EMP, a simple 5000uf 400V capacitor (or capacitor bank) would be legitimate. Of course, you'll need a DC voltage source to charge your capacitor bank, so ensure you have a diode (or similar rectification device). The circuit symbol for a transformer looks like this: The two outside "humps" or coils represent inductors, and the center portion represents a core. For example, a single pulse EMP takes much more current than a flux-EMP, but has a larger range and less components. Most (all) flyback transformers have a ferrite core, and most MOTs have a steel or similar metal core. Since in a flux-EMP there must be an alternating (fluctuating) magnetic field, it requires power transistors to switch the current's polarity through the coil, and also hall effect sensors (magnetic field sensors) as well as an IC.In the past two articles, I've been focusing on the first method, the high current single pole pulse method, since it is the simplest concept and relatively easy to build. For more information about transformers, see here. In part two, I'll be covering switches and coils. Also, if misused, flux-EMPs can cause catastrophic widespread damage to electronics, even if only wiping local flash and drive memory.
Through multiple experiments, I've found that a simple single-pole EMP can easily wipe the local flash memory of any device up to three feet, and render any electronics permanently useless from about an inch.Keep in mind, this is the simplest of possible designs, consisting of three single-loop antennas, a couple capacitors, a switch, and a transformer.
For example, if you had six capacitors at 650uf 400V each in parallel, your final capacitance and voltage would be 3900uf 400V.
Ideally, focusing the magnetic field into a beam-like shape would work the best, but magnetic fields are very difficult to work with. However, it is quite possible to create a short focus field, and that is exactly how a simple single-pole EMP functions, rather like a solenoid. They key is parallel coils that "drag" the field through a "tube", and spew them out the other side before looping back around to the opposite pole. As seen in the photo above, the red lines represent the "squished" magnetic field as it moves through the coils of wire. The circular black ovals (with arrows) represent the looping field, as it returns to the opposite pole. Stay tuned! If you're interested in other articles involving high voltage, magnetic pulses and weapons, check out How to Make a Coil Gun and Chained Lightning: The Jacob's Ladder.



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