Jul 19, 2018 the challenge is that the development of complex systems requires the use of many different software tools and databases. Navy naval research laboratory, the institute for advanced technology at the university of texas at austin, and bae systems. During this phase, we will advance the railgun by maturing the launcher and pulsed power from a single shot operation to a. Design, fabrication, and testing of an electromagnetic rail gun for. The sr1 semiautomatic portable railgun is a field augmented circular bore plasma armature railgun capable of firing 6x19mm conductive armatures as well as teflonplasma armatures. Scarm means simple computer aided railway modeller software for easy and precise design of model train layouts and railroad track plans.
The kinetic energy weapon commonly referred to as the rail gun will be. When all wired up, the railguns 20 lbs of capacitors3 pairs of 300j, 350v, 5500uf unitscan electrify the guns rails to fire tiny aluminum rounds like this. The railgun sender is installed in all cloudflare data centers around the world and maintains connections with railgun listeners. The magrac code was validated through a series of eight railgun tests. A patent held by galen collins which describes a compact personal railgun, though what it really describes is a coilgun. Morrisons rail gun a cursory examination of the design of a simple railgun. This brilliant maniac built his own homemade railgun. Gaems railgun weapon systems feature electromagnetic launchers that use. Us dropped ball on navy railgun developmentnow china is. Its a small piece of software that runs on a standard server and services requests from cloudflare using the encrypted, binary railgun protocol.
Openrail rail design, analysis, and maintenance software. And for some reason, an obsession with propelling a pumpkin a mile. Design of the compulsator began with research through conference and research papers. General info overviewgoals schematics railgun prototype.
General atomics new 10 mj railgun system moves to dugway. Openrail designer provides comprehensive and detailed modeling of rail metro, light rail, commuter rail, or highspeed rail design. Worlds most powerful railgun firing projectiles at. Optimization design for rail structure of railgun request pdf. An electromagnetic railgun emrg was designed, built, and tested, capable of firing a projectile a. Rail guns have also been proposed as important components of the strategic defense initiative, popularly known as star wars. The current through the armature interacts with the field produced by the rail current and produces a force called lorentz force and given as mohmmad soleimani et al 2000. Practical railguns may then include a barrel, currentshaping. Request pdf optimization design for rail structure of railgun the requirements in the design of railgun are analyzed in connection with the working states including the action integral and. If the navys new testing and training plans are approved, sea trials for the. Openrail conceptstation offers rail, electrification, tunnel, and bridge design capabilities, helping rail engineers and designers rapidly determine optimal conceptual designs with realworld data and cost analysis. The circuit is broken, which ends the flow of current. Railroad software we provide software to manage rail yard. Multistage circuit design gauss cutaways barrel cut.
For a similar projectile, the range of railguns may exceed that of conventional guns. We put a barrier 24 ft away and it went over it, giving it a min speed of about 70 fts. Semiautomatic railgun design and construction youtube. Jeff maniglia, jordan smiroldo, alex westfall, and guy zohar 1 california polytechnic state university, san luis obispo, ca 93401 an electromagnetic railgun emrg was designed, built, and tested, capable of firing a. Just download the setup package, install it and start editing your first track plan. Railroad software was founded with a single goal for the rail yard industry. Oct 11, 2017 the sr1 semiautomatic portable railgun is a field augmented circular bore plasma armature railgun capable of firing 6x19mm conductive armatures as well as teflonplasma armatures. The railgun is making progress from its initial single shot and lowmuzzle energy performance, toward a firing rate of 10 rounds per minute at full 32 megajoules muzzle energy, he said. The chinese navy plans to field its own secretive version of the electromagnetic railgun on naval vessels as early as 2025, according to a u. Valentin opted for a hot rail design, where the power is always present on the rails. Complete model of the railguns system including projectiles trajectory. A railgun is a device, typically designed as a weapon, that uses electromagnetic force to launch.
With scarm you can easily create the layout of your dreams. The projectile is inserted into the assembly by a springloaded lever. Because long rails pose design challenges, most rail guns use strong currents on the order of a million amps to generate tremendous force. This paper describes the formulation of the magrac railgun model and compares the predicted current waveforms with those obtained from fullscale experiments. A conducting bar the armature slides along two parallel conducting rails placed in a strong magnetic field.
This paper describes the formulation of the magrac railgun model and compares the predicted current waveforms. In my previous railgun design i utilized two flat parallel rails facing with their broad sides. Bae systems known for einkpowered tank camouflage, autonomous spiderbots and machine. Em railguns use electrical current to accelerate a projectile at extremely high. Modelling and simulation of a railgun powered by a capacitor. Hatch mott mcdonald created an intelligent, modelbased rail signal design solution to reduce design time, improve collaboration, and cut costs. You have two parallel rails thus called a railgun and a moveable projectile. Jun 25, 2018 the chinese navy plans to field its own secretive version of the electromagnetic railgun on naval vessels as early as 2025, according to a u.
The 23pound hypervelocity projectile designed for the railgun flying at mach 7 has 32 megajoules of energyroughly equivalent to the energy required to accelerate an object weighing 1,000. Thanks to its innovative design, the railgun also boasts overthehorizon strike capabilities at ranges of nearly 100. Union station to oak cliff streetcar tiger designbuild project. Anyrail makes model railroad design so easy, its fun. The railgun listener is installed at your web host on an origin server. As part of the ccemg program, utcem designed and developed the cannoncaliber electromagnetic launcher, a rapidfire railgun.
Some electromagnetic considerations for design of railgun. Its also entirely independent, so you can build with almost any track. Modified xm1 flat rail scalloped flat rail scalloped round flat design soft stiff soft stiff soft stiff soft stiff soft stiff weight lb 665. Just over 18 months after making its video debut, the navys electromagnetic railgun has a manufacturer. Navys highly touted electromagnetic railgun weapon system, which can fire a projectile traveling 4,800 miles an hour at distances of up to 100 miles away, will likely never see combat. The inductance and resistance of the rails and power supply limit the efficiency of a railgun design. From the rail currents, the projectile acceleration, velocity, and position are found. The railgun putting these two ideas together, you can make a railgun. Scarm the leading design software for model railroad layouts. The objective of this technote is to illustrate how a combination of tools can work together on the design of a new weapons system, an electromagnetic railgun.
The rail gun was fired from a height of 25 inches with an angle of 110 inch 6 inches so 1 degree. Rail gun applications how rail guns work howstuffworks. A railgun powered by a capacitor bank was developed to launch hypervelocity projectiles. If an internal link led you here, you may wish to change the link to point directly to the intended article.
The us navy is talking about finally taking its railgun out to sea. The projectile, under the influence of the lorentz force, accelerates to the end of the rails opposite the power supply and exits through an aperture. Design and construction of an expandable series trans. Nov 09, 2015 the us navy is working on a few railgun projects that will eventually replace the largest guns on the fleets cruisers and destroyers. The us navy is working on a few railgun projects that will eventually replace the largest guns on the fleets cruisers and destroyers. The efficiency of the gun to a large extent will determine its feasibility for weapon applications. Create management software, by railyard professionals, as an affordable solution regardless of size or technical capabilities. A japanese experiment to inject fuel pellets into a fusion reactor. Jumping forward in the design process, mechanical cad will be used to design individual components, including the critical rails.
You will see my errors, thought process and workflow. This disambiguation page lists articles associated with the same title. Pdf an analysis of em railgun cross section designs. Testing scheduled for third generation railgun launcher and hypersonic projectiles.
Enjoy designing your layout anyrail ensures everything fits. San diego, ca, 31 july 2017 general atomics electromagnetic systems gaems announced today that its new 10 mega joule mj medium range multimission railgun system has completed final assembly and factory acceptance test in preparation for transport to dugway proving ground in utah to begin testing. The emrg team includes two masters aero students, two senior ee students, and three senior me students. Introduction an electromagnetic railgun is a device designed to launch a projectile at high speeds. Oct 15, 20 valentin opted for a hot rail design, where the power is always present on the rails. The rail gun basic design and principles of operation rail gun design the fundamental rail gun design derives from the concept of a linear electromagnetic motor. This design proposal will outline the principles behind designing a lowvelocity railgun for educational use in a high school classroom. Anyrail the easiest model railroad design software. Many researches were focused on the design of advanced rail materials. An electromagnetic railgun design and realization for. The project is an electromagnetic rail gun, which accelerates a. Wahl, analysis of rail surfaces from a multishot railgun, ieee trans.
Jul 31, 2018 jumping forward in the design process, mechanical cad will be used to design individual components, including the critical rails. Anyrail is probably the easiesttouse model railway design tool around. Jul 03, 20 just over 18 months after making its video debut, the navys electromagnetic railgun has a manufacturer. Bae has focused its work on the launcher technology and on the design and development of the integrated launch package, he noted. In figure 3, a uchannel beam design in a 3d cad model in nx will serve as a proxy for the rail. Railroad software provides industry defining software with personalized service from rail experts. Currently different rail shapes and railgun configurations are being tested, most notably by the u. Electromagnetic em railgun bae systems united states. These rail guns will fire a projectile away from the shi. Bae isn t the only firm thats working on this program, which the us navy sees as its. Research progress on advanced rail materials for electromagnetic. This fascinating technology, which uses highpower electromagnetic energy instead of explosive chemical propellants to launch projectiles farther and faster than any previous system, is currently in phase 2 of the program.
One key parameter in determining railgun performance is the length of the rail. Navy awards weaponized railgun manufacturing contract to bae. His program then did some fine tuning to allow for easier construction of. Oct 17, 2015 when all wired up, the railguns 20 lbs of capacitors3 pairs of 300j, 350v, 5500uf unitscan electrify the guns rails to fire tiny aluminum rounds like this. Design, fabrication, and testing of an electromagnetic rail gun for the repeated testing and simulation of orbital debris impacts. Hang your posters in dorms, bedrooms, offices, or anywher. China just blew the us navys electromagnetic railgun out of. Design, fabrication, and testing of an electromagnetic rail. A simulation code was developed to predict the performance of the railgun. Electromagnetic railgun attracts more and more attention due to its. First 300 viewers to use the code playwarships2018 can get 250 doubloons, 1,000,000 credits, hms campbeltown premium ship, one port slot and 3 days premium t. Back in march 2006, bae systems received a contract for design and. One key parameter in determining railgun performance is. However, we think it hit the wall at a height of 15 inches, giving it a speed of 140 fts.
The challenge is that the development of complex systems requires the use of many different software tools and databases. The rail gun basic design and principles of operation. Many people have requested real time display so here it is. According to the developers, the weapon can be used in a number of different scenarios, including surface warfare, land strikes and even ship defense. Figure 9 a a scan from a stylus profilometer at the 39 cm location on the rail section shown in fig.
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