The leader is undoubtedly the Chinese army. [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. Take a left onto South Village Road, which you will follow for 3.7 miles before arriving in the village of Westmoreland. rev2023.5.1.43405. 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. 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. Railguns don't scale very well, due to the problem of the armature plasma cooking the rails. Modern Science generally acknowledges that a donut-shape is the best shape for containing Plasma. However, it is rumored to be a coil gun, not a rail gun. Read how we use cookies and how you can control them by visiting our Privacy Policy. [citation needed], High velocity jets of controllable density and temperature allow astrophysical phenomena such as solar wind, galactic jets, solar events and astrophysical plasma to be partially simulated in the laboratory and measured directly, in addition to astronomic and satellite observations. Renewed interest has arisen in plasma armatures as evidenced by two papers presented at the 2008 EML Symposium. Obviously, your story, your hands to wave, but this stuff is important to remember if you want a hard-ish scifi setting. Learn more about Stack Overflow the company, and our products. Here is a picture of the Chinese weapon, undergoing deployment shakedown trials. Where does the version of Hamapil that is different from the Gemara come from? Description Evading railgun fire A chemical gun benefits from a longer barrel because the expanding gases have longer to do their thing. 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. Plasmas are used in many everyday objects such as fluorescent lights, but some of the physics of plasmas are still not entirely understood. @StarfishPrime obviously 100m barrel does not give 10 times faster than 10m barrel. Linear railguns consist of two flat plate electrodes separated by insulating spacers and accelerate sheet armatures. Simply put, its not exactly mobile enough to use in ground combat. 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). @apaul34208 It depends on how the bullet is constructed and how "super" your supercapacitor is. Which reverse polarity protection is better and why? Check your spam folder if you do not receive it. And yes, the magnetic properties of metals tend to go to pot once they melt. Registration ends May 5, 2023 at 9:00pm EDT, https://www.whatismybrowser.com/guides/how-to-enable-cookies/auto. The glowing light is emitted by plasma.). ? | FAQs The United States is playing catch up in this area of weapons development at least it is in public. 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You could work out the require currents for a given size of superconductor, limited by the material's critical current, but lets instead go for 200 Tesla. Fire rate will therefore be limited, and ultimate velocity will also be limited by your ability to a) quench your coils fast enough and b) cool them fast enough afterwards to fire the gun again. don't forget we're getting 5 pounds of TNT yield out of a MILIGRAMS of material. It is hoped that the work at the University of Texas described in these papers . We use cookies to offer you a better browsing experience. ;). The power requirement appears to be immense. | Login to Download Certificate You are using an out of date browser. This answer (given technological development to improve power efficiency) meets all but two of your requirementsbut (potentially) bypasses their necessity. Where the electromagnetic railgun fires a projectile at supersonic speeds of up to Mach 6, the Marauder would fire its one-meter diameter plasma rounds at 10,000 kilometers per second, or 3% of the speed of light. 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. Has the Melford Hall manuscript poem "Whoso terms love a fire" been attributed to any poetDonne, Roe, or other? We use cookies to offer you a better browsing experience. Plasma is good against EVERYTHING - Hull AND shield - with big damage (with few exception), but since the travel time is slow, effective range is poor. The other example is the MARAUDER (Magnetically Accelerated Ring to Achieve Ultra-high Directed-Energy and Radiation) used the Shiva Star project (a high energy capacitor bank which provided the means to test weapons and other devices requiring brief and extremely large amounts of energy) to accelerate a toroid of plasma at a significant . TL: DR, .a 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. The U.S. Navy and Air Force have both developed railgun prototypes. 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? Basically, it looks like a donut. @KareemElashmawy The vast bulk of what I said can be found in the wiki article I linked at the very start of the post. Connect and share knowledge within a single location that is structured and easy to search. Your question/message has been sent to the race director. No hunting on the southern portion of the preserve (Warwick parcel). He describes two promising approaches which are based on demonstrated technology. [1] They work a lot like a Smoke Ring does. A bigger projectile yields a higher payload, so a rifle-mounted tank buster could be devised. 1,680 were here. 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. Ruth, George, and Louise enjoyed hiking around their Butterfield Hill property. Privacy Statement "Containment" and "weapon" are typically contradictory. A plasma railgun is a linear accelerator which, like a projectile railgun, uses two long parallel electrodes to accelerate a "sliding short" armature. You might be able to hold it magnetically in the gun, but the instant it leaves the barrel you've now got rapidly cooling nothing. | Terms & Conditions Why are players required to record the moves in World Championship Classical games? Based on current proposed weapons, we can estimate the rough acceleration we can achieve with a rail gun and scale that up. While most of New Hampshire tends to have acidic soils, the calcium-rich bedrock in Westmoreland has resulted in rich, alkaline soils that provide habitat for a diversity of plant life that is uncommon in the state. Thick Dual layered angled armor outter hull is the first basic level defense. An asynchronous coilgun relies on the projectile having a certain bunch of properties (you need to induce a current in it, to provide a magnet field for the main gun coils to push against), and a coilgun with superconducting projectiles needs the projectiles to remain superconducting, and so they have to stay below their critical temperature, etc. Can my creature spell be countered if I cast a split second spell after it? Your browser has JavaScript disabled. Yet in scifi it is quite possible to have an uber plasma railgun that just kills missiles when they get too close. Contact: 1800-123-7177 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 a railgun? Which ability is most related to insanity: Wisdom, Charisma, Constitution, or Intelligence? Wouldn't this approach only create plasma for a tiny fraction of a second? Marauder, marauders, The Marauder, or The Marauders may refer to: Language links are at the top of the page across from the title. Please enter a valid email address (formatted as name@company.com). No one has heard a thing about the program since 1995. 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. Finally, you should see that I've been looking at coilguns, not railguns here. can hold plasma under higher pressures. Plasma railguns appear in two principal topologies, linear and coaxial. A minor scale definition: am I missing something? Additionally, a complex triple joint seal may exist at the breech of the bore, which can often pose an extreme engineering challenge. How to force Unity Editor/TestRunner to run at full speed when in background? Interpreting non-statistically significant results: Do we have "no evidence" or "insufficient evidence" to reject the null? How could I contain plasma for use in weapons? [duplicate] |. Which was the first Sci-Fi story to predict obnoxious "robo calls"? Ruth married George Warwick in 1923 and they moved to Westmoreland. [duplicate], fire a self-contained ring of plasma in open air, Picture of a historical neon discharge tube, Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI. | Robotics for Kids 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. The U.S. Air Force Research Laboratory must have made some significant progress in a short time, because computer simulations started in 1991, an experiment was conducted in 1993, and the whole thing was classified not long after. The post Marauder was the US militarys first plasma railgun and it might have worked appeared first on We Are The Mighty. It is worth noting that at that speed the projectile exceeds orbital velocity at Low Earth Orbit. Glass, perhaps jacketed in something more durable like ceramic, could contain the plasma apparatus. But the muzzle velocity is sqrt(2 * barrelLength * acceleration). Rank amateurs. They are of value because they produce muzzle velocities of up to several hundreds of kilometers per second. It also cost a few million dollars every time the U.S. wanted to experiment with the technology, which is a much more likely reason the experiment ended up classified in mothballs. Little is known about it after 1993 because it swiftly Classified Status. AGM Landscaping. Landscaping Company - Porch The results of this experiment confirm that the design succeeds in producing plasmas which meet targets for plasma properties. What are your thoughts on the project MARAUDER plasma railgun? This thesis discusses the design and characterization of a small coaxial plasma railgun intended to accelerate argon-helium plasma jets. View Directions As plasma railguns are an open area of research, the method of armature formation varies. This set up is not feasible with current technology, as most railgun power sources can only operate barely long enough to fire the projectile. Plasma railguns are capable of producing controlled jets of given densities and velocities ranging from at least peak densities 1e13 to 1e16 particles/m^3 with velocities from 5 to 200 km/s dependent on device design configuration and operating parameters. In 1993, the Air Force Research Laboratory finally published an experiment in high-velocity plasma projectile weapons. This means that railguns have scaling problems you can't shoot them too much before the rails need replacing, and the rail damage goes up with muzzle velocity so you may find a railgun that works just fine at 3km/s (at least for a little while) will be wrecked at 10km/s and explode violently at 30km/s. While Vladimir Putin is busy touting Russias newest line of hypersonic weapons he is seemingly whipping the world into a frenzy about missiles flying past early warning systems. 24 Apr 2013 | Posted by Member 30298028. Seems to have a lot of . What are your thoughts on Project MARAUDER? : IsaacArthur - Reddit A railgun is a weapon that uses electromagnetic force to fire a projectile at high velocity, some at speeds of up to Mach 6. Have bigger trouble hitting small target. Resources for Engineering Students | This may help a bit, but does impose some parasitic mass that will limit the muzzle velocity of the projectile (and makes calculation of the final velocity into some kind of horrid differential equation which I won't be solving for you). Railgun | Project Wingman Wiki | Fandom The author argues that to realize the hypervelocity potential of plasma armature railguns, restrike must be eliminated. Notice that the barrel length is much shorter than the dreadnaughts of WW1 fame. Non-superconducting projectiles will be subject to more heating!). Please complete the following survey to help us better understand your race experience. http://www.navweaps.com/Weapons/WNUS_Rail_Gun.php. More or less a tiny flash as the projectile is destroyed? What's wrong with accelerating a metal slug beyond its melting point? | Technical Resources What is this brick with a round back and a stud on the side used for? | Privacy Policy Plasma accelerators or rail gun? Which is better? It revolved around firing electromagnetically contained plasma out of a railgun encased in a toroidal (donut shaped) container. You'll also get much more rail damage per shot for a much faster railgun, making firing multiple rounds problematic. Charitable Solicitation Disclosures | 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. project marauder plasma railguns new harrisonburg high school good friday agreement, brexit June 29, 2022 fabletics madelaine petsch 2021 0 when is property considered abandoned after a divorce A traditional railgun uses electromagnetic forces to drive a solid metal projectile slug to superspeeds. The plasma is accelerated until it leaves the muzzle of the railgun. In a plasma railgun, a short pulse of current is passed through a plasma located between two parallel electrodes, or "rails". And everybody likes the alluring neon lights which enliven nights and hide the stars. MARAUDER was a United States Air Force experiment to develop long-range plasma weapons. and from everything I've dug up there's alot of conflicting data about it (some say. In what environment - vacuum, atmosphere, etc.? Realistic Rounds for Penetrating advanced body armor? This is an instability in which the magnetic pressure front can out-run or "blow-by" the plasma armature due to the radial dependence of acceleration current density, drastically reducing device efficiency. Coaxial accelerators use various techniques to mitigate this instability. 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. 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. It was named MARAUDER or magnetically accelerated ring to achieve ultrahigh directed energy and radiation.. That's the best I could come up with, assuming he intended the plasma to cause damage. BATH, Maine The U.S. Navy has pulled the plug, for now, on a futuristic weapon that fires projectiles at up to seven times the speed of sound using electricity. Currently, only the 36-acre Warwick parcel is accessible which offers 1.5 miles of trails for enjoying the wildflowers and birds. How to make a plasma rail gun project - Skyfi Labs Would My Planets Blue Sun Kill Earth-Life? MARAUDER took these Compact Toroids and fired them from a railgun. Would this system work better in space? The preserve is located on Butterfield Hill in a quiet part of southwestern New Hampshire, not far from the Connecticut River. Some features of this site may not work without it. What's the intended of use of the few milligrams of plasma confined within the bullet? Mobile Terms & Conditions Its the same lab used to produce energy enough for the SDI initiative (also known as Star Wars missile defense). I don't know enough of the science to say if it is possible that they found some type of breakthrough. What kind of protection system could be used against railguns? Railguns, Coilguns, Helical Railguns, and Helical Coil - Reddit The rest can be found here: @JDugosz Thanks for calling that outthat was edited in by someone else, I fixed it. | Robotics Online Classes for Kids by Playto Labs The Railgun - SP's Naval Forces the railgun can launch projectiles much farther than the I thought this was used primarily as an ASAT weapon? 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. Learn more about Stack Overflow the company, and our products. Thanks for detailed post Connor. Jet velocity and density are characterized by analyzing diagnostic data collected from a Rogowski coil, interferometer, and photodiode. 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. the US Office of Naval Research says. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. Mount Vernon High School (Fortville, Indiana), https://en.wikipedia.org/w/index.php?title=Marauder&oldid=1131569989, Short description is different from Wikidata, Creative Commons Attribution-ShareAlike License 3.0, "The Marauders", a 1983 song by Tears for Fears, B-side to ", Marauders, synthetic creatures derived from, This page was last edited on 4 January 2023, at 19:22. Dr. Coles died in the 1917 flu epidemic. What are your thoughts on Project MARAUDER? Railguns give you much more oomph for the same length barrel, but unfortunately shooting them causes damage to the rails as a result of the super-hot plasma arc that forms behind the projectile. project marauder plasma railguns "Using a massive electrical pulse rather than a chemical propellant, Scientific plasma railguns are operated in a vacuum. Stay up-to-date and build projects on latest technologies, Blog | You can enrol with friends and receive kits at your doorstep. Heat the projectile enough, and you have a diffuse and ever-expanding cloud of metal vapor, which is much less useful as an offensive weapon. What are the advantages of a coilgun v.s. Agm is extremely professional we needed to expand our property to accommodate an RV and relieve a drainage problem next to our garage! The experiment published in 1993 required the use of Kirtland Air Force Bases Shiva Star capacitor bank. The Nature Conservancy is a nonprofit, tax-exempt charitable organization (tax identification number 53-0242652) under Section 501(c)(3) of the U.S. Internal Revenue Code. Reddit and its partners use cookies and similar technologies to provide you with a better experience. The Warwick Preserve was established when TNC received a 36-acre donation from Dr. Ruth Warwick and her daughter Louise Hunninen in 1964. What are the advantages of running a power tool on 240 V vs 120 V? Take CERN, for instance. This current generates a magnetic field which propels the plasma forward. These are laser powered, and the shock waves due to the sudden acceleration heat the pellet substantially before it hits the center. For more information, please see our What is a realistic maximum velocity of a coilgun round from a 100 m barrel? Could a mass-proportional physical speed limit on projectiles "nerf" guns but not ruin archery? All proceeds help support the Westmoreland PTA and their great programming for the students and teachers of Westmoreland! He created a simple electric cannon, which caught the attention of the French military who were seeking a weapon that . In a plasma railgun, the armature and ejected projectile consist of hot, ionized, gas-like particles heated by a very high temperature. If your projectile is 20mm across and your barrel is 100m long, the amount of energy is the swept volume will be a reasonable 0.5GJ, for a muzzle velocity of 70km/s. They still retained their home in Westmoreland as a summer place for the next 20 years. It was Motivated by RACE, though I don't know if that's enough to be an off shoot. | Verify Certificate Linear plasma railguns place extreme demands on their insulators, as they must be an electrically insulating, plasma-facing vacuum component which can withstand both thermal and acoustic shocks. Especially against space debris. Better for close range brawling. Little is known about it after 1993 because it swiftly Classified Status. While currently, there are bans on orbital anti-ICBM weaponry, a MARAUDER-armed satellite could probably be an extremely effective Anti-ICBM weapon. Her three grandchildren continue to visit the preserve. The Railgun - SP's Aviation It is one of several United States Government efforts to develop plasma-based projectiles. It will just ablate a thin layer of it. Enter your email address and we will send you instructions to reset your password if there is an account for that email. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. the #1 use for a weapon like this would most likely be ballistic missile defense, shooting down ICBMs or other strategic weapons. Which was the first Sci-Fi story to predict obnoxious "robo calls"? Could a subterranean river or aquifer generate enough continuous momentum to power a waterwheel for the purpose of producing electricity? | If you still see this message after clicking the link, then your browser settings are likely set to not allow cookies. You can now heat it up by more like 3MJ/kg instead of 900kJ/kg. Description. 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. Plasma Railguns. Any Good Use? - Science & Spaceflight - Kerbal If you continue to use this site, you consent to use all cookies. It seems like a really cool concept. Worldbuilding Stack Exchange is a question and answer site for writers/artists using science, geography and culture to construct imaginary worlds and settings.

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