How to Make a Coilgun. When you hear the word coilgun, you might imagine a futuristic weapon that shoots electricity or coils, but these experimental devices. A coilgun or Gauss rifle is a type of projectile accelerator consisting of one or more coils used as electromagnets in the configuration of a linear motor that. A coil gun is a type of rifle that uses an electromagnetic accelerator coil or a series of coils to accelerate a metallic projectile. The Strategic Defense Initiative of.

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The multiple coil design coilgyn intended to maximize projectile velocity. The EM coil gun stays well below the legal velocity limits in Canada and the US, but because of the projectile weight, it should still be considered dangerous. Press it and wait a minute. Make it thick half an inch is quite enough, but the larger the coil, the more powerful the projectile will be when fired.

Electromagnetic Coil Gun Project | Nuts & Volts Magazine

Moreover, the additional pieces of magnetic material in the magnetic circuit can potentially exacerbate the possibility of flux saturation and other magnetic losses. These systems are very quiet when projectiles are fired homemzde velocities lower than the speed of sound, are clean, and require little maintenance.

This is a great project to explore a number of analog electronics concepts. From Wikipedia, the free encyclopedia. This has been addressed to some extent by the use of back iron and end iron, which are pieces of magnetic material that enclose the coil and homemxde paths of lower reluctance in order to improve the amount of magnetic flux coupled into the projectile.

You will receive a very painful shock. Next, extract the capacitor from the camera circuit and place it aside for later.

Watch A Homemade Coilgun Destroy A Laptop

Bend the metal and make a body out of that. A coilgun or Gauss rifle is a type of projectile accelerator consisting of one or more coils used as electromagnets in the configuration of a linear motor that accelerate a ferromagnetic or conducting projectile to high velocity.

Anti-gravity Cloak of invisibility Digital scent technology Force field Plasma window Immersive virtual reality Magnetic refrigeration Hmemade optics. Answer this question Flag as Tell us more about it? Cut the PVC pipe on the opposite ends to make it about 6 inches Transformer bobbin and ferrite core.


More advanced coil gun designs incorporate a number of accelerator coils switched in sequence as the coilun moves down the barrel.

Air launch Homejade Laser propulsion Beam-powered propulsion. How to Make a Coilgun Author Info. Its expensive to build and takes lots of experience in electrical work. If it doesn’t stay still, use glue to coilvun it in place while you coil it. I also do that for sanding round things, but the sand paper gets hot really quick.

Electromagnetic Coil Gun Project

Start by numbering the bobbin posts from 1 to 8 in the positions shown in Figure 3. The objective of this project is to design and construct a portable, self-contained electromagnetic coil gun. When the core of the transformer saturates, the induced base voltage goes to zero and turns the transistor off.

There should be a spark, and the projectile should get shot. When the desired voltage has ho,emade reached, the output of the comparator goes high and turns on transistor Q2 and the fire indicator light emitting diode D6.

Some designs have non-ferromagnetic projectiles, of materials such as aluminium or copperwith the armature of the projectile acting as an electromagnet with internal current induced by pulses of the acceleration coils.

Watch A Homemade Coilgun Destroy A Laptop | Popular Science

Locate the ferrite core transformer and unsolder it from the PCB printed circuit board. If you need to rewire or make an adjustment, then disconnect the battery pack and be sure to short out the capacitor bank. By having the projectile pulled towards or levitated within the center of the coils as it is accelerated, no physical friction ciolgun the walls of the bore occurs. This will also avoid the need homejade fully recharge the capacitors, thus significantly reducing charge times.

Place the cores on the bobbin and tape that in place with transformer tape as shown in Figure 5-G. However, the practical construction of such arrangements requires the provision of reliable high speed sliding contacts.

The reference voltage for the comparator is taken directly from the 12 volt DC cojlgun through resistor R For more information about the project, updates, and movies of the gun in action please visit the EM Coil gun webpage at www. Cut two more copper wires. Please enable JavaScript to watch this video. With no separate propellant charges to load, the researchers envision the firing rate to approximately double.


Before extracting the flash circuit, take the batteries out of the camera and then waste the remaining charge in the capacitor by pressing the shutter and wasting the flash. EM technology could revolutionize the mortar. ckilgun

Be very careful not to touch the circuit board or any of the connections while testing the device. The control panel and circuit board can been seen in Figure Reverse charging can be prevented by a diode connected in reverse-parallel across the capacitor terminals; as a result, the current keeps flowing until the diode and the coil’s resistance dissipate the field energy as heat.

Coilguns are distinct from railgunsas the direction of acceleration in a railgun is at right angles to the central axis of the current loop formed by the conducting rails. When power is applied to the circuit by switch S1, resistor R2 initiates transistor Q1 to turn on and conduct a current of 12 volts DC through the primary winding 10 turns of the transformer.

What is the ID and the OD of the preferred tube size? The potentiometer is used to set the exact voltage level on the capacitor bank when calibrating and using the rifle.

Capacitor energy storage bank wiring diagram. In principle, hmemade can also be constructed in which the moving coils are fed with current via sliding contacts.

You’re ready to try it. If you decide to fabricate your own projectiles, coipgun experiment with different sizes and weights until you find one that works well. When the capacitor bank is charged to VDC, the amount of energy that will be switched to the accelerator coil is joules.