Yeah, I never understood how you're supposed to get the plasma to stay plasma once you fire it. Scientific plasma railguns are operated in a vacuum. Otherwise, you will not be able to register for races or use other functionality of the website. As plasma railguns are an open area of research, the method of armature formation varies. Yes, Shiva Star, that was the '80es project I was thinking about. He created a simple electric cannon, which caught the attention of the French military who were seeking a weapon that . What are the advantages of running a power tool on 240 V vs 120 V? To get the 1.2GJ we want for our 100km/s super-coilgun, we'd need the projectile to sweep out ~0.074m3, which for a 20mm projectile works out as a barrel that's 236m long. A plasma-projectile shooting railgun is basically an armature that converts to plasma ('transitioning' armatures are also a thing and have been considered as a bridge between plasma armatures and solid/hybrid armature railguns, in fact) which is what Wikipedia describes (although the velocities are an order of magnitude less than what Shiva 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. One set of plasma interactions that have not been fully explored are those which occur during high-velocity collisions between plasmas. I'm pretty sure the plasma was preheated and injected into the railgun. Project MARAUDER Developed by Phillips Laboratory. Some believe that we may not be far from getting containment times measured in Milliseconds ($ms$). A round for standard infantry against nano-machined ceramics. Where does the version of Hamapil that is different from the Gemara come from? Featured photo: Shiva Star at theAir Force Research Laboratoryat Kirtland Air Force Base. Reddit and its partners use cookies and similar technologies to provide you with a better experience. The United States is playing catch up in this area of weapons development at least it is in public. PS: I'd wager my whole tail that MARAUDER is an offshoot of the RACE torus experiments in late 80s. You can start for free today! Like this page and invite your friends on Facebook. In what environment - vacuum, atmosphere, etc.? Build using online tutorials. Quality group antiques shop with over 40 dealers conveniently located between Keene, NH and. Would this system work better in space? It only takes a minute to sign up. All proceeds help support the Westmoreland PTA and their great programming for the students and teachers of Westmoreland! A railgun is a weapon that uses electromagnetic force to fire a projectile at high velocity, some at speeds of up to Mach 6. How could dragons effectively use their wings as weapons in ground combat? Worldbuilding Stack Exchange is a question and answer site for writers/artists using science, geography and culture to construct imaginary worlds and settings. Because even with those insane speeds, their 'Plasma Bolt' didn't live long enough to achieve a useful range ($3,000 km/s \times 1 \mu s = 3m$). Which was the first Sci-Fi story to predict obnoxious "robo calls"? and our ETDs: Virginia Tech Electronic Theses and Dissertations, Requesting that Material be Amended or Removed. Learn more about Stack Overflow the company, and our products. 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. Parking space for three to four vehicles is available,just South of a small white-railed bridge. You cannot get anything better unless you use magical materials, or magical ultra-efficient coilguns (and this example is already quite magical). Plasma is a gaseous state of matter which is electrically conductive and interacts with electric and magnetic fields. In the case of our hypothetical 200T coilgun, that gives us a maximum energy density of 16GJ/m3. Peak line-integrated electron number densities of approximately 8 10. The U.S. Navy and Air Force have both developed railgun prototypes. You must log in or register to reply here. ;). 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? Could a mass-proportional physical speed limit on projectiles "nerf" guns but not ruin archery? In coaxial plasma railguns, the electrodes are concentric. "Containment" and "weapon" are typically contradictory. or 8,654 km/hr. Weighted sum of two random variables ranked by first order stochastic dominance. your projectile now has a worse length-to-width ratio, which makes it less effective at penetrating the target's defences. Mobile Terms & Conditions 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. Other alkaline-loving plants found here include maidenhair spleenwort, spring beauty, and Dutchmans breeches. You may experience issues registering or using other parts of the website. We don't know if it ever went anywhere. 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. Above the rocky outcrops, the trails are easier and follow gently curving contours through a mixed forest, which includes some beautiful stands of red oak. [citation needed] Plasma rail guns are being evaluated for applications in magnetic confinement fusion for disruption mitigation and tokamak refueling. Kinda important factors You might want to research fusion reactors. Marauder, marauders, The Marauder, or The Marauders may refer to: Language links are at the top of the page across from the title. Why did US v. Assange skip the court of appeal? Contact: 1800-123-7177 JavaScript is disabled. If technology was developed to fix this it might affect the acceleration speed. A bigger projectile won't help you; you need one with a higher melting point, a larger heat capacity, and a more efficient coilgun to get the speeds you want. | A sabot round arrangement (or just crushing the plate into a pellet) will allow you to concentrate much of this energy in a penetrator. A railgun is an electrically powered electromagnetic projectile launcher based on similar principles to the homopolar motor. From here take a right onto Route 63 and travel 0.9 mile to arrive at Warwick Preserve access point. The maximum force you can exert is the yield strength, which might be 1GPa; with this pressure over 100m, you get 100GJ/m^2 of energy transfer, and with a low-areal-density 1kg/m^2 bullet, about 400km/s. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. What is this brick with a round back and a stud on the side used for? When Ruth died in 1973, Louise scattered her ashes on the preserve. Please enter a valid email address (formatted as name@company.com). | Playto The bolts would also send out heat, potentially superheated metal shards, and an electromagnetic pulse that would scramble unshielded electronics. Large boulders litter the forest floor below the rocky ridges creating habitat for snakes, porcupines and bobcats. What's wrong with accelerating a metal slug beyond its melting point? However, your browser doesn't appear to allow cookies by default. If it breaks out by accident, even if it destroys everything would you still call it a 'weapon' ? It will just ablate a thin layer of it. It may not display this or other websites correctly. In order to use RunSignup, your browser must accept cookies. The results of this experiment confirm that the design succeeds in producing plasmas which meet targets for plasma properties. Mechanical Kit will be shipped to you and you can learn and build using tutorials. At least with the second approach, you can store your bullets normally. | Robotics Online Classes for Kids by Playto Labs Plasma railguns are categorized in two principle topologies, linear and coaxial where linear railguns consist of two flat plate electrodes separated by insulating spacers and accelerate sheet armatures and coaxial railguns accelerate toroidal plasma armatures using a hollow outer conductor and a central, concentric, inner conductor. A coaxial railgun has one rail as a cylindrical shell encircling the other rail. If you believe that any material in VTechWorks should be removed, please see our policy and procedure for The post Marauder was the US militarys first plasma railgun and it might have worked appeared first on We Are The Mighty. MARAUDER, a U.S. government nuclear fusion research project Merauder, an American metalcore band Masked Marauder, a fictional Marvel Comics character Merrill's Marauders, United States commando unit in World War II This disambiguation page lists articles associated with the title Marauder. 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. He describes two promising approaches which are based on demonstrated technology. It revolved around firing electromagnetically contained plasma out of a railgun encased in a toroidal (donut shaped) container. Still not quite good enough for the satellite-based weapon that MARAUDER was meant to bebut pretty solid for ground-based combat. Learn how and when to remove this template message, Conceptual Design Description of a CT Fueler for JT-60U, 35th European Physical Society Conference on Plasma Physics, Support to Survivability/Vulnerability Program, "Quasistatic compression of a compact torus", "Compact toroid dynamics in the Compact Toroid Injection Experiment", Compact Torus Accelerator Driven Inertial Confinement Fusion Power Plant, Innovative Confinement Concepts Workshops (ICC), "A Contoured Gap Coaxial Plasma Gun with Injected Plasma Armature", https://en.wikipedia.org/w/index.php?title=Plasma_railgun&oldid=1151052028, Compact Toroid Injection Experiment (CTIX), Pulsed High Density Fusion Experiment (PHD), This page was last edited on 21 April 2023, at 16:16. | By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. Resources for Engineering Students | In this sci-fi world, plasma weapons are somewhat abundant in special forces, as their ammunition can be stored in smaller spaces, and in large quantities, but I ran into a problem regarding confinement: can be created quickly. The approach of creating the plasma on contact. It is worth noting that at that speed the projectile exceeds orbital velocity at Low Earth Orbit. @PcMan right, silly mistake. The intended use of this weapon is to have at least enough power to, We are talking about quite ridiculous energy levels here after all. "Using a massive electrical pulse rather than a chemical propellant, If you continue to use this site, you consent to use all cookies. A traditional railgun uses electromagnetic forces to drive a solid metal projectile slug to superspeeds. For more information, please see our The importance of using plasma technology is that they produce muzzle velocities in 100s of km/shaving 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. Thanks for detailed post Connor. Railgun technology, which uses electromagnetic force to send And it remains grounded in science. Some references here about the American navy, but it is so far behind. At these magnetic field strengths (100T is currently achievable on the relevant timescale), you can exert enough force to crush most solid objects. 24 Apr 2013 | Posted by Member 30298028. 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). Description Evading railgun fire You should add citations for some of the claims being made. Realistic Rounds for Penetrating advanced body armor? It is hoped that the work at the University of Texas described in these papers . In private, the U.S. military might be way ahead of Russia in the area of ultra-fast projectiles, but well never know because most of its early developments have been classified. Finally, you should see that I've been looking at coilguns, not railguns here. (Note that there will be other limits to projectile temperature superconducting projectiles musn't be heated above their critical temperature, for example, and that'll be a lot lower than their melting point: ~300K for a scifi "room temperature" superconductor, for example. Want to develop practical skills on Mechanical? 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? | Terms & Conditions Rare plants found here are the broad beech fern, a beautiful purple and white orchid called the showy orchis, spotted wintergreen, and long-spurred violet. 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. Did you mean to type Click the Accept Cookie Policy button below to accept the use of cookies on your browser. in 2017, but as a possible energy storage mechanism, not much different from a plasma-armature, Real-Life Plasma Rounds With Surprising Penetration in a Pill Sized Package!

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