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So when [GreatScott] rebuilt his recent DIY coil gun with discrete logic, mechanism for a small coil gun, and as such he chose an Arduino to. 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 coil-gun uses a magnetic field to accelerate a bullet up to projectile speed. Jason’s uses a bank of recycled rechargeable laptop batteries to.

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Don’t electrocute yourself Soldering irons are hot, don’t burn yourself! The inverter section of the circuit produces a high frequency, high voltage using an oscillator configuration consisting of transformer T1 being switched on and off by coipgun Q1.

Improvements can be made to the charging circuit, capacitor bank, accelerator coil, and barrel design to achieve higher velocities. This is to avoid getting shocked.

Cut a piece of the steel wire. Slowly turn the potentiometer clockwise until the voltage is VDC and make another mark on the panel there.

The multiple coil design is intended to maximize projectile velocity. As mentioned earlier, this is the very simplest version of a coil gun, relative to the materials avalable. When the projectile reaches the coil, the magnetic field is turned off, causing the projectile to continue down the barrel at high velocities.

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

DIY Coil Gun Redux: Life Really is Easier with Arduino

A general pistol grip construction template is shown in Figure 11 and can be fabricated out of plastic or aluminum. When fire switch S3 is closed, voltage is applied to the gate of the SCR, switching it on and dumping the charge across the capacitor bank into the accelerator coil L1. The concept of electromagnetic guns has actually been around for a while. Larsplatoon claims in the video caption that the energy stored in the capacitors is 78 times the lethal amount for human beings.


The bolt of the loading device has a small magnet in the end with enough force to hold the projectile in place if the gun is tilted forward, but not enough to interfere with the operation of it. The other two wires the other capacitor wire and the other coil wire will be connected whenever you turn on the coilgun. Continue this procedure in increments of 50 volts until you reach VDC, marking each position of the potentiometer on the panel face with a pencil or marker as you go.

Finally, glue the AA battery case into the soldering gun case, and mount the transformer inside as well with hot glue, like this: Be sure not to charge the capacitor bank over volts unless you have installed an SCR that can handle it.

To create this article, 22 people, some anonymous, worked to edit and improve it over time. The velocities listed in Table 1 were measured with a commercial chronograph. Another coil gunsite www. The doubler cascade is sometimes also referred to as the Greinacher multiplier.

Help answer questions Learn more.

Sorry, what exactly is your point? If my project needs to work reliably 50 years from now without me around, then I will look elsewhere.

Then, touch the two ends of the capacitor with a screwdriver to discharge it. If you are not experienced in the fabrication of such devices, then do not attempt to build this project.

Electromagnetic Coil Gun Project

Are you upset because you were forced to read this article some how? These multi-part series may be just what you need! Chained Lightning Master the Power: A large electric current is switched from a fast discharge storage device usually a capacitor bank into a coil of wire wrapped around a barrel to produce the strong magnetic field required for the rapid acceleration of the metallic projectile. Directed Microwave Energy How To: Point was to cause ruckus.

Caution The information contained in this article is dangerous and potentially life threatening.

DIY coilgun gives clever hobbyists the risk of permanent injury

Use a knife or saw with a fine blade to cut the glue at the points where the core halves are in contact if the E-cores are glued together. Add to that a couple coilgkn, resistors, the button of course and the optical sensors, and not much else.


I used quite a few turns A closer view of the adjustable breech mounted to the rest of the gun is shown in Figure Once the capacitor bank has charged to the set level, a ferrous projectile is inserted into the breech loading device and positioned partially into the coil dky the bolt. Maybe it was because I was studying German.

The microcontroller is generally faster to implement, less complicated for implementation, and generally less expensive to implement, especially in a commercial design, and easier to change when correcting bugs or adding features. You will notice the charge and fire LEDs gradually alternating on and off indicating that the comparator and charging circuit are maintaining the set voltage.

For example, the bugs about powering the coils on indefinitely would be solved by a one-shot timer at the trigger, which would enable power to the relevant circuits for the few milliseconds they actually need to be on and then turn it all off.

I have spent way too much time reading over TI flavor of the week dev boards under the thinking that they were better for my small project than an arduino for what ever reason only to discover small bits of errata far to late, and see that TI has dropped support of the board by ciolgun time I get around to reusing the board for something else.

Side view of control panel and circuit board. What DC voltage was the solenoid that you bought set on because i don’t want it to fry itself. Coilguun a length of two-strand wire to the common and normally open contacts on the microswitch.