This video will teach you to remove the piston and driver assembly from a nail gun, allowing you to replace a broken driver or access other parts. Bostitch n62fn finish nailer parts tool parts direct. The projectile used is on the heavy side weighing in at over 4 ounces. This article will describe the general construction of the electromagnetic coil gun shown in figure 1. A ferromagnetic armature is placed at the breach of the coil and is electromagnetically attracted towards the centre of the coil when a current is passed though the coil. Second prototype is trying to avoid all the flaws, which were found on the first prototype and find a benefits of using multiple acceleration stages. Coil gun t1 with a spread mod, fire rate mod and energy consumption mod isnt too shabby, to be honest. By following this guide you can build a tesla coil capable of generating over 4 arcs of lightning.
This is a great project to explore a number of analog electronics concepts. Here an scr silicon controlled rectifier or thyristor is used to control the high voltage supplied to the coil, it acts like a switch. A hand held tesla coil battery powered plasma gun the design for this tesla coil is based on the larger battery powered diy tesla coil project but with the aim of getting a much smaller and portable device. The switch hanging out the side is the firing switch, which needs replacement. Rail gun and coil gun designs main overview goals intro railgun accelerator electronics misc. A tesla coil is a resonant transformer circuit that generates very high voltages that are made to arc through the air. If it is muzzle energy then projectiles from this weapon deliver. I hope this guide will serve as a comprehensive stepbystep reference with easy to follow instructions. Connect capacitors and coils to pcb, and run test shots, tweak, test and tweak, then test some more. Like several of the other weapons in the game, its not a bad weapon but can become quite powerful with the right kind of mods. Tesla coil design, construction and operation guide.
Everwin, a world leading industrial fastening tool manufacturer strives for 3 goals. Look for a white stripe or on the capacitor to find the negative terminal. A coil gun is an electronic gun that fires a projectile by means of the magnetic field generated when a large pulse of current is run through a coil. Take the end of the wire from your coils and cut it so its 6 in 15 cm long. No, this is not one of the scifi video game replica weapon props i keep posting aboutits a real, functioning homemade coilgun by jason, aka youtube user larsplatoon, aka photobucket and user saz43, who has been working on it for two years.
To use a lower voltage, use thicker wire but less of it. Trick out or upgrade your firearm with the largest gun parts selection at. The coilart prebuild coil presents a wide range of high performance coil designs that are now available in premade set of ten, featuring distinctive heating elements in. And if youre doing daredevil, you can swap out the energy consumption for a range mod, or another fire rate mod. The nail coil gun project attempts to fill a void in the nail gun market of coil gun based nail guns, while using the advantages of the coil gun to solve some problems associated with conventional nail guns. The temporary rail gun charger will eventually before a permanent charger for my coil gun experiments after the rail gun is switched over to a solid state high speed charger. The wismec elabo ns replacement coils are cleverly constructed with nonthreaded designs and quality machining that wismec is known for. A fully functional rail gun was developed for this program although it was never deployed in space. This bug could be corrected easily though, removing the washer and using more epoxy. A coil gun is a type of rifle that uses an electromagnetic accelerator coil or a series of coils to accelerate a metallic projectile.
This geometry provides maximum coupling and optimizes electric to kinetic efficiency. Complete with a watercooled power pack, the contraption closely resemble the proton packs used by the ghostbusters. Inspired by a graphic novel, one authorturnedmadscientist creates a steampunk shooter that fires sparks in the name of science. Flickenger used a combination of electrical components to create a tesla coil gun capable of emitting 20,000 volts. The strategic defense initiative of the 1980s often referred to as star wars was one of the first defense projects to realize the dream of futuristic electronic weapon systems development. Specifically built for the elabo subohm tank, the 0. The seventh stage burnt the protected diodes and some scrs.
Information unlimited, electronics hobbiest equipment, science projects, laser, lasers, tesla, tesla coils, high voltage engineering, anti gravity, security devices. The epic device was featured on us engineer destin sandlins popular youtube channel smarter every day the man behind the guns making, cameron prince, has a keen interest in inventor tesla, one of the godfathers of high voltage experiments, and runs a website dedicated to the serbianamerican futurist in a kind of bizarre homage to the famed inventor, prince fashioned. The completed coil gun in all its ugliness, and no, i couldnt have made it look better or i would have. The coil gun accelerates the projectile by running a strong impulse of current through a coil of wire with many turns, creating a powerful magnetic field that accelerates a metal projectile. I try and get one of those each run asap and max out shield damage. The fifth coil shorted on two points on the steel washer, because the insulation layer got damaged there. Design pcb layout, etch pcb, and install components. Modeled after a nerf gun but with 200,000 volts under the hood.
I built my first one in only a week after i had all the parts. The various problems associated with high currents and magnetic fields are discussed, as well as the components and design of my experimental coilgun. Jun 25, 2017 coil gun t1 with a spread mod, fire rate mod and energy consumption mod isnt too shabby, to be honest. Learn how to make a simple but extremely effective coil gun using only a few parts that are fairly easy to obtain by only going to a few places and possibly online. The em15 coil gun is a handheld, battery powered 12 vdc rifle that is capable of launching a. If youre itching to build a coilgun, or simply want to try it with minimal expense, ill describe a simple nuts and bolts coilgun which can be made from common hobby materials. Threestage coil gun final project report december 8, 2006 e155 dan pivonka and michael pugh abstract.
Game content and materials are trademarks and s of their respective publisher and its licensors. Use a soldering gun to attach the wire to the capacitor. To provide the impulse of current, a large dc capacitor discharges very quickly through the coil of wire. Sep 20, 2010 no, this is not one of the scifi video game replica weapon props i keep posting aboutits a real, functioning homemade coil gun by jason, aka youtube user larsplatoon, aka photobucket and user saz43, who has been working on it for two years. Ultimate tesla fan made a badass handheld tesla coil gun.
Solder the wire wrapped on your coil gun to the negative terminal on the capacitor. This coil was made 12cm long, which is shorter than the other coils, and once again 3 layers of wire were used 180 turns with a shrinkwrap jacket around the coil to hold the turns in place. Massachusetts institute of technology department of. It is a single stage coilgun with microswitch current timing and runs off a 12v battery.
Step 3 making the coil gun circuitry coil gun circuit. L1 launching coil p1 iron projectile r1 470 ohm 12 watt, charging resistor r2 11k ohm 14 watt, safety bleeder resistor r3 4. Welcome to the tesla coil design, construction and operation guide. Shop thousands of bostitch finish nailer replacement parts online. I tested the coilgun at various charge voltages and different projectile sizes, then calculated the. Eventually the currents get so high that the feed lines start becoming significant.
Here is a photo of the device are it currently stands, with the coil unconnected and minus charger, trigger and scr protection circuit. C1 12,000 uf 200wvdc c2 15 uf 25wvdc d1 800v bridge rectifier d2 800v bridge rectifier l1 coil, 56 turns 12 awg p1 iron projectile r1 220 ohm 1 watt r2 25 ohm 25 watt r3 150k ohm 1 watt r4 62 milliohm 5 watt s1 momentary action dpdt centeroff switch s2 dpst power switch. Jun 04, 2014 the fifth coil shorted on two points on the steel washer, because the insulation layer got damaged there. D1 800v bridge rectifier l1 launching coil p1 iron projectile r1 470 ohm 12 watt, charging resistor r2 11k ohm 14 watt, safety bleeder resistor r3 4. Coil nailers,roofing gun china coil nailers,roofing gun. Initial tests showed that this is the most efficient coil so far, with its performance at 380v matching shots performed at 450v by the other coils. A power pulse modulator circuit is used to drive two small high voltage ignition coils wired together in an antiparralel configuration. Complete with a watercooled power pack, the contraption closely resemble the proton packs used. They use a current to charge copper wires and create an electromagnet to launch a projectile. There is also a chapter discussing velocity measurement of a projectile. A pair of 34d by 116 steel washers were used to constrain the coil and aid in winding. A coil gun works on the principle of electromagnetic attraction.
The guide will begin with a basic introduction to tesla coils, how they. Dec 03, 2016 thats right, i said handheld tesla coil gun. Hairraising diy tesla gun fires forks of lightning. Efficient coil gun drive requires the coil to maintain current while the projectile is accelerating, and only cut the current when the projectile is in the coil. Massachusetts institute of technology department of electrical engineering and computer science 6. General info overviewgoals schematics railgun prototype. May 15, 2012 flickenger used a combination of electrical components to create a tesla coil gun capable of emitting 20,000 volts. Oct 08, 2012 a tesla coil gun that produces footlong sparks. The mass launcher uses a flat spiral coil arranged with a vertical flyway and wooden support base. A coilgun uses pulsed currents of large magnitude to propel ferrous projectiles at high speeds. The washers and top layer of the coil are held in place with hotmelt glue.
B1 9v transistor battery c1,c2 12,000 microfarad electrolytic capacitor, 200 wvdc working volts d. I am using a 50a rated stud type scr, 50ria120, smaller scrs like the. The coil gun itself is akin to an air cored solenoid. The total initial stored energy is assumed to be uniformly distributed over the length of the gun, and each banks initial energy is proportional to the axial length of its barrel coil 1 most of the terms on the right side of this equation are.
The heart of any spark gap tesla coil is the highvoltage switch, flickinger. There is a point where higher voltage will taper off the output energy of the gun through power disipated through heat. Be willing to spend more than a week on this and you might need a few heavy power tools only to make good projectiles. After my move from brazil to study in the us i had to leave behind all of my ongoing projects, including the 3kj single stage coil gun and my 7kj multi stage coil gun prototype, both of which were incomplete the multi stage coil gun was crushing the glass coil forms i was using as barrels and the. The pulse time also relates to the length of the coil, a longer pulse time will be nessesary for a longer coil and a shorter pulse time will be necessary for a shorter coil. Coil guns may sound like futuristic weapons, but theyre actually something you can build at home. You built what a tesla coil gun that produces footlong.
The fact that its instant fire and instant hit makes it really reliable, and it does good hull damage off the bat despite being primarily designed to kill shields. The epic device was featured on us engineer destin sandlins popular youtube channel smarter every day the man behind the guns making, cameron prince, has a keen interest in inventor tesla, one of the godfathers of high voltage experiments, and runs a website dedicated to the serbianamerican futurist in a kind of bizarre homage to the famed inventor, prince fashioned an alarming. The coil was made using 26g wire wound on the body of a pen. Its geometry is a flat aluminum washer that is of the same size as the coil. Coilart prebuilt coil multiple exotic configurations. Feature comparison the feature differences between magnetic weapons and standard firearms. Traditional nail guns use compressed air, explosive gases or charge, or an electric motor. To go from v to 200 v, use wire that is 5x shorter, but also has 5x area in crosssection. Modeled after a nerf gunbut with 200,000 volts under the hood. If the current persists after the projectile exits the coil it will act to decellerate the projectile, which does defeat the purpose of the whole thing. Other than that, the vanilla gattling gun or mk2 is pretty good with mass hull.
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