Still, as a science project they are well worth the minor expense and time it takes to build them. The railgun in its simplest form differs from a traditional electric motor in that no use is made of additional field windings (or permanent magnets). Disk S-35-20-N https://sumag.net/s-35-20-n-x01 The capacitors I’ve chosen can hold a maximum of 450 volts. This will allow the magnets to stick flat to the ends of the wire axle. IMPORTANT: do not touch the two ends of the capacitors at the same time otherwise it may hurt. As weak or as powerful as you build them to be. The 2 inch rod will now move. Rainbow Magnets | Magnetic Games First, let's start off by saying what we're NOT making: we're not making a coil gun or rail gun. You could try with smaller magnets and make it to scale. Here's how to build one and how it works: Permanent magnet guns, or PMGs, … The copper wire may also be … Do not touch the ends of the alligator clips connected to the transformer either. How much of the stored energy is transferred to the kinetic energy of the projectile? Again, wait for it to dry and repeat until the row of magnets reach the length of the rails. At the top of the ramp it falls, converting magnetic attraction into kinetic energy. The equation is thus the cross product: [F] = Il X [B], Large Rectangular Neodymium Magnets (Lee’s PID: 60012), Optional: Digital Compass (Lee’s PID: 98411), 600V 35A Bridge Rectifier (Lee’s PID: 71096), 60VA Step Down/Up Isolated Transformers (Lee’s PID: 10501), 26 AWG Hook Up Wire (Lee’s PID: 224007) or more Alligator Clips.

So you'll make a series of really powerful magnets, use them to accelerate the bullet (or iron rod, or whatever you shoot). The railgun is a kind of the electromagnetic gun (see Fig. You see, a railgun’s power comes from an electric current and an array of magnets. Magnets on rail At the top of the ramp it falls, converting magnetic attraction into kinetic energy. Connect them in parallel by connecting the negative post of one capacitor to the negative post of the next. Railguns are almost exclusively intended to be used for smaller guns, but that's no reason not to experiment with a 5m railgun, even if it's going to be hugely impractical. Make sure that the wire is long enough to keep its contact with the rails. Instagram We made a ¾” thick ring magnet by stacking three RZ0X84 magnets together, forming a 3” O.D. It will have two rails and a conductive movable bar in-between.

The magnetic field is induced with very strong neodymium magnets. Basics. https://www.facebook.com/MagneticgamesIt Step 2: Make the Capacitor Charger Camera flash circuitry and capacitors can also be used for this project, but since a large number of them are required, I found it easier to buy some high voltage capacitors and make a dedicated charger for them, thus making a coil gun without a camera. Reconnect the alligator clip to the 12V battery terminal and the wire will shoot. The concept of a railgun consists of propelling a conducting object along 2 conducting rails due to a magnetic force and an electric force. This top down photo shows the "fake" perspex rails on the right, and the aluminium rails on the left. As we add more magnets, the speed goes up by a smaller amount each time. Using a sturdy meter stick made from non-conducting material (wood, plastic), glue the stack of magnets onto one of its sides with super glue and wrap it in place with electrical tape. The magnets repel one another when aligned this way, but will still stick firmly to the steel axle. A railgun is a device that uses magnetic forces to accelerate a projectile to extremely high speeds. Again, wait for it to dry and repeat until the row of magnets reach the length of the rails. Here's how the railgun works: The first ball-bearing rolls toward the first magnet, is accelerated by the magnet, and hits with velocity V 1. It looks cool and has that 'Aliens' feel. The armature bridges the gap between the rails. If you did not use a compass to determine the direction of the magnetic force, you can easily change the direction of the propelling rod by swapping the connections to the battery terminal. Rounds fired from a railgun are extremely quick, effortlessly cutting through armor. Railguns use magnetic fields created by high electrical currents to accelerate a projectile to Mach 6, or 5,400 miles an hour. How to make them and how they work . The direction of the propelling force is due to electromagnetic fields called the Lorentz force. In the theoretical SMOT design, a steel ball is pulled up a ramp by an array of permanent magnets. https://youtu.be/R3NQVlrepBQ, Magnetic Games The symbol above the outer pins of the bridge rectifier will be either + or -. WATCH MY TOP VIDEOS HERE: http://bit.ly/MagneticGamesTopPlaylist. A Charging Station is required to keep the Railgun functional. See for example rail gun. As the image shows, the current forms a magnetic field directed into the page. We considered two options: - a steady power source, or - charged capacitors. The armature is an integral part of the projectile assembly. https://twitter.com/magneticgamesIT. If the filing is done carefully to make the flat ends perpendicular to the wire, then there will be less wobbling as the magnets travel down the rails. Is this the next great techno-weapon? This diagram illustrates the direction of the Lorentz force with the use of the right-hand rule. With the magnets facing the same direction as the original design, repeat with another stack of magnets right next to the first stack. Try not to bend the wires when you bring them home so that you can straighten them out as the ‘rails’. Now when you sprinkle the ore on the paper, it forms a much smaller arc of powder. The magnetism has always intrigued me. The idea is that the device will work as demonstration of forces behind an electric motor, so I don't require high speed for the bar. My Channel offers you curious experiments and fun games to do with magnets. 9 juil. Also there is no reason to use permanent magnets. Unfortunately railgun consumes all this energy during a very short time , which means that the only way to power it is from a low impedance capacitors. This will again multiply the voltage by 1.8 giving a total of 3.6. The magnetic force between these stacks of magnets will oppose each other. The more magnets you have stacked, the stronger the magnetic force. I'm creating a permanent magnet railgun, which essentially uses two conducting rods with a row of magnets between them and a conducting projectile laying across the two rods. Satisfaction video like the construction of magnetic sculptures, slime and magnetic putty and product review. x 1-1/2” I.D. I used 2 rulers, but you can use the cardboard found in Lee’s recycling bin. The armature is an integral part of the projectile assembly. Find out how rail guns can be used and learn about the limitations of this technology. https://www.instagram.com/magneticgames_it/ i used a hammer, but it is probably better to file them down. You have two parallel rails (thus called a railgun) and a moveable projectile that is also like a wire. Remove one of the connections of the alligator clip from the 12V battery terminal. Make sure each magnet touches the paper clip. Now you have to make the ends flat so the magnets will be strait. Set up the projectile above one end of the rod above a portion of the magnet. Step 2: How It Make . Using another alligator clip, connect one end of the clip to the other rail leaving the other end of the clip free. Make sure that the magnets do not touch the copper wires since this will again, short the rails. The strength of the magnets is scientifically explainable but there’s something “magical” about its interaction with the world. Plug the power cord into the wall and wait 30 seconds or so for the capacitors to fully charge. The Railgun does not need to be loaded; it will automatically grab ammunition from items in the inventory. Did you make this project? Power: A rail gun uses a great deal of power. Clip an alligator clip leaving the other end free on each ends of the rails. Place the meter stick under and between the 2 rails with the magnets on the opposite side. All ways to have fun with magnets. Is this the next great techno-weapon? In Canada it is 120 volts which means we must multiply this roughly by 4 to reach 450 volts. Wrap the exposed wires using electrical tape so you will not be able to touch them. I am trying to determine the efficiency of this setup, so I would like to calculate the total theoretical energy going in to making the projectile move. If you don't get how this works, i'll explain it at the end. Set the magnet rail thingy on the foil and it magically moves! I do not recommend you to replicate this Railgun by yourself, the magnets used are very strong and dangerous. This isn't a thing we normally recommend doing with magnets--it's not their primary use! IMPORTANT: check the voltage supplied by your country. It'll look like you make rings of lightning, then pull a bullet/whatever through it, cancelling the rings as it moves through them. Both the ring launcher and the rail gun use called Lenz’s Law to give an object momentum. My Channel offers you curious experiments and fun games to do with magnets. Current flowing in any wire creates a magnetic field around it -- a region where a magnetic force is felt. I don't remember if they used neodymium magnets, as I was too excited to read the article closely enough, but in the first issue of MAKE (check your local massive bookstore - it might still be on the shelf in the computer section) they showed how to make a model railgun with magnets and stainless steel balls. This basic configuration is formed by a single loop of current and thus requires high currents (e.g., of order one million amperes) to produce sufficient accelerations (and muzzle velocities). Unplug the power cord. They will start to accelerate immediately. Edit: The 150 lb force in the specs refers to how heavy an object the magnet can lift. A charged particle moving with a velocity [V], through an electric field perpendicular to a magnetic field [B], will experience a force [F], as depicted in the diagram to the right. https://www.magneticgames.eu/ Maybe I should also point out that there is a difference between a railgun and a coilgun. The reason railguns don't work are because we can't accelerate them hard enough. The north pole of the compass will be directed at the south pole of the magnet. The damage that a railgun causes is kinetic. All ways to have fun with magnets. It is comprised o… This will create a short on the rails, but this is where we want the electric charges to flow. Rail guns leave gunpowder-based weapons in the dust (one can hit a target 250 miles away in six minutes). Thanks to Supermagnete.com for giving me these magnets for free. Wait for it to dry. How to make an simple and useful tool - electromagnetic pen.Music: www.bensound.com The magnetism has always intrigued me. [Valentin] tipped us about his latest project: a homemade railgun. Wait for it to dry. … 2020 - Découvrez le tableau "Moteurs Magnétique à Repulsions Aimants Néodyme" de S6 Edge sur Pinterest. Stick the ends of the wire being propelled to the center of the silicone and glue it in place with super glue. Remove a stack of magnets to the desired height and place them under and between the two rails. The strength of the magnets is scientifically explainable but there’s something “magical” about its interaction with the world. While in the player's … Because rail guns do not require a long duration of power, we decided the charged capacitor approach would be advantageous.
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