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At these magnetic field strengths (100T is currently achievable on the relevant timescale), you can exert enough force to crush most solid objects. Their design for plasma containment is called a Compact Toroid, and their design was similar to an arrangement called a Spheromak. The Railgun - SP's Aviation 24 Apr 2013 | Posted by Member 30298028. Peak line-integrated electron number densities of approximately 8 10. Project MARAUDER Developed by Phillips Laboratory. What's interesting about a Compact Toroid, however, is that they are capable of maintaining structural stability for a fraction of a second after release from the external magnetic fields that created it. Build using online tutorials. Rank amateurs. In order to use RunSignup, your browser must accept cookies. The Railgun: The Ultimate Weapon the U.S. Military Can't Build? Railgun has a charge time, but the projectile is very fast, so it's good for sniping. How could I contain plasma for use in weapons? In what environment - vacuum, atmosphere, etc.? Could a mass-proportional physical speed limit on projectiles "nerf" guns but not ruin archery? A minor scale definition: am I missing something? Plasma Railguns. Any Good Use? - Science & Spaceflight - Kerbal | The bolts would also send out heat, potentially superheated metal shards, and an electromagnetic pulse that would scramble unshielded electronics. Basically, the Marauder was everything an army could possibly hope for in the area of field artillery: an ultra-fast, super-destructive gun whose ammunition was only limited to how much power the army could produce for it. A railgun comprises a pair of parallel conducting rails, along which a sliding armature is accelerated by the electromagnetic effects of a current that flows down one rail, into the armature and then back along the other rail. A 30mm projectile would let you fit your 100km/s gun into the original 100m length limit, but: You could use a fat, low-density sabot which drives a thin dense projectile, but the sabot represents parasitic weight that eats into the kinetic-energy budget of the narrow penetrator. can hold plasma under higher pressures. Coaxial accelerators use various techniques to mitigate this instability. | Contact Us, Copyright 2015-2018 Skyfi Education Labs Pvt. You can now heat it up by more like 3MJ/kg instead of 900kJ/kg. More or less a tiny flash as the projectile is destroyed? It only takes a minute to sign up. Kinda important factors You might want to research fusion reactors. This answer (given technological development to improve power efficiency) meets all but two of your requirementsbut (potentially) bypasses their necessity. How many gs could a coilgun or railgun shell withstand? The Air Force has been at this game for decades, though, and its previous work is more advanced than anything coming out of the Navy Department, Russia, China or even Kim Jong Uns wildest dreams. That speed makes it about 2,394 m/s. The limit is 'cee' . To produce plasma-cutter-like effects on armored vehicles, which I assume is the goal, is slightly different, as the plasma in the above bullet won't last very long after the bullet impacts and the power source is (presumably) destroyed. A tokamak is essentially an infinitely long rail/coil gun that produces a magnetic containment vessel for a super-heated plasma. Louise attended college, married and moved away. project marauder plasma railguns | Robotics Online Classes for Kids by Playto Labs Railgun technology, which uses electromagnetic force to send Featured photo: Shiva Star at theAir Force Research Laboratoryat Kirtland Air Force Base. Why are players required to record the moves in World Championship Classical games? Please enter a valid email address (formatted as name@company.com). Otherwise, you will not be able to register for races or use other functionality of the website. How could I contain plasma for use in weapons? [duplicate] Which means that I am in the potentially unique situation of being able to tell you that yes, they went out of their way to name it Marauder because it took us far too long to find a word that worked, we spent two hours fiddling with syllables to get stuff that fit (Direct Energy Railgun gives der). A YouTuber by the name of NSA_Listbot has created a railgun that shoots plasma rounds and they were strong enough to fully penetrate a cantaloupe. The near-term solution is some form of circuit arrangement which eliminates current . The concept of the railgun, a technology that could utilize a large circuit to launch a projectile far further than one launched via the use of a chemical reaction, was developed by Andre Louis Octave Fauchon-Villeplee. Naturally, in science fiction it would be very easy to explain that scientists discovered a more stable Toroidial configuration that lastswellhowever long you need it to last for the sake of the story. Yet in scifi it is quite possible to have an uber plasma railgun that just kills missiles when they get too close. Learn more about Stack Overflow the company, and our products. Please wait while we submit your question/message. What are your thoughts on the project MARAUDER plasma railgun? These weapons programs even look to be losing steam, especially when compared to the development of hypersonic missile technology. What does 'They're at four. ', referring to the nuclear power plant in Ignalina, mean? Connect and share knowledge within a single location that is structured and easy to search. There are possibly other things you might be able to do, like packing your projectile in some kind of coolant that is melted and evaporated to cool the projectile as it is accelerated. Title VI Notice of Nondiscrimination In coaxial plasma railguns, the electrodes are concentric. this region. The rest can be found here: @JDugosz Thanks for calling that outthat was edited in by someone else, I fixed it. The glowing light is emitted by plasma.). Thanks for detailed post Connor. This thesis discusses the design and characterization of a small coaxial plasma railgun intended to accelerate argon-helium plasma jets. 13-nautical-mile range of the US Navy's standard 5-inch naval gun," MARAUDER was a United States Air Force experiment to develop long-range plasma weapons. And it remains grounded in science. One set of plasma interactions that have not been fully explored are those which occur during high-velocity collisions between plasmas. This creates your localized heat for as long as the arc can be maintained, greatly weakening or destroying the material at the point of impact. Scan this QR code to download the app now. Plasma railgun - Wikipedia Plasma just doesn't last very long outside of carefully controlled scenarios. Z-pinches also magnetically accelerate plasma up to similar velocities. Something similar was tried in original Star Wars SDI, huge power load, completely useless in atmosphere. If the shooting stars and the stuff hits the fan, Uncle Sam might pull the Marauder out of mothballs. This page is not available in other languages. [citation needed], Arrays of plasma railguns could be used to create pulsed implosions of ~1 Megabar peak pressure, allowing more access to chart this opening area of plasma physics. The power requirement appears to be immense. It's not them. One way to do this would be by using superconducting coils and heat them to drop the superconductivity (sometimes known as a quench gun) but that'll turn the field energy into heat, and lots of it. If technology was developed to fix this it might affect the acceleration speed. Quality group antiques shop with over 40 dealers conveniently located between Keene, NH and. In 1993, the Air Force Research Laboratory finally published an experiment in high-velocity plasma projectile weapons. Because of this, these devices have applications in magnetic confinement fusion (MCF), magneto-inertial fusion (MIF), high energy density physics research (HEDP), laboratory astrophysics, and as a plasma propulsion engine for spacecraft. According to one report published just over a decade after the whole thing went dark, the Marauder program was capable of firing ball lighting bolts that would explode on impact with the force of five pounds of TNT. The experiment which was performed to confirm the properties of the plasma jets produced by the coaxial plasma railgun is explained. For a better experience, please enable JavaScript in your browser before proceeding. While the preserve is worth visiting throughout the year, there are icy conditions on the steeper sections of the trail during the winter so make sure to bring appropriate gear or wait for the warmer seasons to enjoy the trails. Especially against space debris. We are talking about quite ridiculous energy levels here after all. Maybe the same function might be achieved some other way. For a rough idea, you can use Luke Campbell's approximation for coilgun performance, which basically imagines the gun as a tube of energy in the form of the magnetic field, which is swept out by a projectile that turns it into kinetic energy. Engineering Project Ideas | Can you still use Commanders Strike if the only attack available to forego is an attack against an ally? Why don't we use the 7805 for car phone chargers? Which was the first Sci-Fi story to predict obnoxious "robo calls"? It is noted that conventional plasma armature railguns are limited to velocities of 6-8 km/s by arc restrike. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. | Summer Training Programs Session ID: 2023-04-28:2c6aaeebb2aaad3ad105949e Player Element ID: vjs_video_3. Ruth, George, and Louise enjoyed hiking around their Butterfield Hill property. The best answers are voted up and rise to the top, Not the answer you're looking for? Although the technology used to develop the Marauder was theoretically laying the groundwork for more advanced energy production, namely some kind of fusion reactor, powering the weapon proved costly. The railgun has less ammo, but a little higher damage and (correct me if I'm wrong) it's better to shoot out subsystems. Your browser has JavaScript disabled. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. Here is a picture of the Chinese weapon, undergoing deployment shakedown trials. What should I follow, if two altimeters show different altitudes? If you still see this message after clicking the link, then your browser settings are likely set to not allow cookies. Basically, it looks like a donut. As fascinating of a topic as the research may be, the more important question is whether they went out of their way to make the project acronym marauder, or if it was just a fortunate coincidence that it ended up as that? Physics:Plasma railgun - HandWiki Ruth C. Warwick Preserve - nature.org However, techniques including exploding foils, gas cell burst disk injection, neutral gas injection through a fast gas valve, and plasma capillary injection have been employed. Take CERN, for instance. rev2023.5.1.43405. Developed by Phillips Laboratory. How to make a plasma rail gun project - Skyfi Labs If we magically start it off at 0K, we can see that it can absorb no more than 180kJ. the #1 use for a weapon like this would most likely be ballistic missile defense, shooting down ICBMs or other strategic weapons. | After graduating from Boston University in 1904, Dr. Warwick and her first husband, Dr. Coles, operated a TB sanitarium in West Keene. How could dragons effectively use their wings as weapons in ground combat? The Marauder uses the same principle in firing the weapon, but instead of the slug, Marauders projectile is superheated, donut-shaped ionized gas particles: plasma. If you believe that any material in VTechWorks should be removed, please see our policy and procedure for Similar principles apply for plasma railguns. After armature formation, the plasmoid is then accelerated down the length of the railgun by a current pulse driven through one electrode, through the armature, and out the other electrode, creating a large magnetic field behind the armature. The railgun is mounted on a KF-40 vacuum port and operated using a 90 kA, 11 kV LC pulse forming network. You can start for free today! The power requirement appears to be immense. Some references here about the American navy, but it is so far behind. MARAUDER: Magnetically Accelerated Ring to Achieve Ultra-High Directed Energy and Radiation, TL: DR, an American project from the 1990's where they build a coaxial plasma railgun, which uses plasma as a KINETIC weapon, accelerating a Torus (a ring) of 0.5-2 milligrams of plasma to relativistic speeds, 1-3% the speed of light, 3000-10,000 km/s. Ltd. All Rights Reserved. On impact, the electrode is pushed back into the power supply and the carrier gas is released through the nozzle created on impact. The Navy spent more than a . In a plasma railgun, a short pulse of current is passed through a plasma located between two parallel electrodes, or "rails". From Route 9 take Route 12 north for 6.4 miles, bringing you to east Westmoreland. @PcMan right, silly mistake. Contact: 1800-123-7177 Ultimately, the limit is going to be keeping the bullet solid as you push on it. Please enter a valid email address (formatted as name@company.com). The Railgun - SP's Naval Forces You'd have to get it to impact and either lightly penetrate or adhere to the surface to sustain the arc for any appreciable length of time, yes. Plasma is to be found in all gas discharge lamps while in operation; it's not magical, it is an ordinary state of matter. Since the driver current through the armature is also moving through and normal to a self-generated magnetic field, the armature particles experience a Lorentz force, accelerating them down the length of the gun. A traditional railgun uses electromagnetic forces to drive a solid metal projectile slug to superspeeds. A plasma railgun is a linear accelerator which, like a projectile railgun, uses two long parallel electrodes to accelerate a "sliding short" armature.However, in a plasma railgun, the armature and ejected projectile consists of plasma, or hot, ionized, gas-like particles, instead of a solid slug of material.Scientific plasma railguns are typically operated in vacuum and not at air pressure. eject plasma at extremely high speeds (some plasma railguns are designed to fire projectiles, but testing has shown that solid armatures are more effective due to lower electrical resistances found in metals [4]). Say, if the primary problem of MARAUDER is that a plasma Torus will quickly become ineffective in the atmosphere, wouldn't that make a perfect weapon to put on a Satellite? Global sites represent either regional branches of The Nature Conservancy or local affiliates of The Nature Conservancy that are separate entities. Plasma requires constant electrical energy input to be maintained, so storing your plasma bullets is the biggest constraint, barring some sort of Infinite Power Supply. "Using a massive electrical pulse rather than a chemical propellant, The problem is that everything is classified so we have no way to know if it is to hide a viable weapon or to keep the enemy guessing and thus spending money to find a way to counter it or create their own. After graduating from Boston University in 1904, Dr. Warwick and her first husband, Dr. Coles, operated a TB sanitarium in West Keene. What's wrong with accelerating a metal slug beyond its melting point? In a plasma railgun, a voltage is applied so that current can flow through the flat rail electrodes. He describes two promising approaches which are based on demonstrated technology. Interpreting non-statistically significant results: Do we have "no evidence" or "insufficient evidence" to reject the null? Why does Acts not mention the deaths of Peter and Paul? However, techniques including exploding foils, gas cell burst disk injection, neutral gas injection via fast gas valve, and plasma capillary injection have been employed. The system shown on our data is a relatively low velocity device within the building capability of most hobbyists. However, in a plasma railgun, the armature and ejected projectile consists of plasma, or hot, ionised, gas-like particles, instead of a solid slug of material. Coilguns don't have wear issues, as the projectile can be levitated in the barrel and be entirely non-contact and no arcing need occur. A railgun is an electrically powered electromagnetic projectile launcher based on similar principles to the homopolar motor. However, your browser doesn't appear to allow cookies by default. The plasma railgun is a linear accelerator and plasma energy weapon which like a projectile railgun uses two long parallel electrodes to accelerate a sliding short armature. Ultimately, the limit is going to be keeping the bullet solid as you push on it. Mostly realistic weapons to assault a planet from orbit. 'Marauder' was the US military's first plasma railgun - and it might Existing ground-based inertial confinement fusion pellets implode at ~300km/s, and are accelerated over a distance of a few mm (and this is far from the lab speed record). Did the Golden Gate Bridge 'flatten' under the weight of 300,000 people in 1987? From here take a right onto Route 63 and travel 0.9 mile to arrive at Warwick Preserve access point. Is it possible for a spheromak to maintain itself at high speeds under atmospheric conditions? While currently, there are bans on orbital anti-ICBM weaponry, a MARAUDER-armed satellite could probably be an extremely effective Anti-ICBM weapon. (PDF) Plasma Armatures for Railguns - ResearchGate How are engines numbered on Starship and Super Heavy? But whether you store plasma inside a bullet or create it from parts of the bullet, you're not going to induce plasma for very long with a projectile. At least with the second approach, you can store your bullets normally. Please enable JavaScript if possible. Requesting that Material be Amended or Removed. They are of value because they produce muzzle velocities of up to several hundreds of kilometers per second. It revolved around firing electromagnetically contained plasma out of a railgun encased in a toroidal (donut shaped) container. In a plasma railgun, the armature and ejected projectile consist of hot, ionized, gas-like particles heated by a very high temperature. JavaScript is disabled for your browser. @RossPresser but really what will happen is that if your gun pumps enough eneergy into the round to melt it, it'll almost certainly pump enough energy into it to at least partially boil it, and it'll go bang.

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