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Combined display of all available logs of Galactic Library. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

• 19:27, 16 April 2024 Lwcamp talk contribs uploaded a new version of File:Field from parallel wires.png
• 18:57, 16 April 2024 Lwcamp talk contribs created page Helical railguns (Created page with " Helical railguns are a kind of railgun-coilgun hybrid. In operation, they are basically a brushed synchronous electric motor that has been rolled out into a straight line....")
• 15:27, 16 April 2024 Lwcamp talk contribs created page Electromagnetic guns (Created page with "We can use electromagnetism to make things move. The most familiar way to do this for many of us is to use a rotary electric motor, which turns electric power into the rotary...")
• 14:45, 16 April 2024 Lwcamp talk contribs uploaded a new version of File:Helical railgun.png
• 12:17, 16 April 2024 Lwcamp talk contribs created page File:Helical railgun.png (Diagram of the internals of a helical railgun. The stator, including the rails and the helical winding, are on the left and form a barrel (covered with a mechanical support to withstand the forces of firing). The full projectile is shown on the right bottom, and the active portions of the electrical system of the projectile at top right.)
• 12:17, 16 April 2024 Lwcamp talk contribs uploaded File:Helical railgun.png (Diagram of the internals of a helical railgun. The stator, including the rails and the helical winding, are on the left and form a barrel (covered with a mechanical support to withstand the forces of firing). The full projectile is shown on the right bottom, and the active portions of the electrical system of the projectile at top right.)
• 17:33, 15 April 2024 Lwcamp talk contribs created page File:Keplerian orbit ground impulse.png (Launch with an impulse delivered only at ground level puts a payload on an orbital trajectory that will always intersect the ground.)
• 17:33, 15 April 2024 Lwcamp talk contribs uploaded File:Keplerian orbit ground impulse.png (Launch with an impulse delivered only at ground level puts a payload on an orbital trajectory that will always intersect the ground.)
• 08:34, 4 April 2024 Lwcamp talk contribs created page File:Railgun projectile sabot separation 2.jpg (The sabot separates from a hypervelocity railgun dart immediately after launch.)
• 08:34, 4 April 2024 Lwcamp talk contribs uploaded File:Railgun projectile sabot separation 2.jpg (The sabot separates from a hypervelocity railgun dart immediately after launch.)
• 12:03, 3 April 2024 Lwcamp talk contribs uploaded a new version of File:Hypervelocity projectile impact test.png
• 11:56, 3 April 2024 Lwcamp talk contribs created page File:Hypervelocity projectile impact test.png (Test of a railgun-fired hypervelocity projectile penetrating a series of metal plates.)
• 11:56, 3 April 2024 Lwcamp talk contribs uploaded File:Hypervelocity projectile impact test.png (Test of a railgun-fired hypervelocity projectile penetrating a series of metal plates.)
• 11:46, 3 April 2024 Lwcamp talk contribs created page File:Railgun projectile sabot separation.png (The sabot separates from a hypervelocity railgun dart immediately after launch.)
• 11:46, 3 April 2024 Lwcamp talk contribs uploaded File:Railgun projectile sabot separation.png (The sabot separates from a hypervelocity railgun dart immediately after launch.)
• 11:36, 3 April 2024 Lwcamp talk contribs created page File:HVP shrapnel separation.png (A bursting charge disperses shrapnel sub-projectiles in a test of a railgun hypervelocity projectile.)
• 11:36, 3 April 2024 Lwcamp talk contribs uploaded File:HVP shrapnel separation.png (A bursting charge disperses shrapnel sub-projectiles in a test of a railgun hypervelocity projectile.)
• 11:01, 3 April 2024 Lwcamp talk contribs created page File:Hypervelocity projectile.png (BAE Systems railgun hypervelocity projectile, with (left) and without (right) its sabot. Images from Congressional Research Service report R44175, cropped, flipped, and rotated. https://crsreports.congress.gov/product/pdf/R/R44175/77)
• 11:01, 3 April 2024 Lwcamp talk contribs uploaded File:Hypervelocity projectile.png (BAE Systems railgun hypervelocity projectile, with (left) and without (right) its sabot. Images from Congressional Research Service report R44175, cropped, flipped, and rotated. https://crsreports.congress.gov/product/pdf/R/R44175/77)
• 10:41, 3 April 2024 Lwcamp talk contribs created page File:Railgun projectile 2.png (Credit: Laura Guerin Source: cK-12 Foundation License: [https://creativecommons.org/licenses/by-nc/3.0/ CC BY-NC 3.0])
• 10:41, 3 April 2024 Lwcamp talk contribs uploaded File:Railgun projectile 2.png (Credit: Laura Guerin Source: cK-12 Foundation License: [https://creativecommons.org/licenses/by-nc/3.0/ CC BY-NC 3.0])
• 10:40, 3 April 2024 Lwcamp talk contribs created page File:Railgun projectile 1.jpg (Reference: Fair, H. “Transitioning EM Railgun Technology to the Warfighter.” The University of Texas at Austin, May 2007.)
• 10:40, 3 April 2024 Lwcamp talk contribs uploaded File:Railgun projectile 1.jpg (Reference: Fair, H. “Transitioning EM Railgun Technology to the Warfighter.” The University of Texas at Austin, May 2007.)
• 08:06, 3 April 2024 Lwcamp talk contribs created page File:EMRG prototype.png (BAE prototype EMRG (electromagnetic railgun) prototype deomnstrator. Image from Congressional Research Service report R44175 https://crsreports.congress.gov/product/pdf/R/R44175/77)
• 08:06, 3 April 2024 Lwcamp talk contribs uploaded File:EMRG prototype.png (BAE prototype EMRG (electromagnetic railgun) prototype deomnstrator. Image from Congressional Research Service report R44175 https://crsreports.congress.gov/product/pdf/R/R44175/77)
• 08:01, 3 April 2024 Lwcamp talk contribs created page File:Naval Electromagnetic Railgun.png (General Atomics prototype EMRG (electromagnetic railgun) prototype. Image from Congressional Research Service report R44175 https://crsreports.congress.gov/product/pdf/R/R44175/77)
• 08:01, 3 April 2024 Lwcamp talk contribs uploaded File:Naval Electromagnetic Railgun.png (General Atomics prototype EMRG (electromagnetic railgun) prototype. Image from Congressional Research Service report R44175 https://crsreports.congress.gov/product/pdf/R/R44175/77)
• 07:35, 3 April 2024 Lwcamp talk contribs created page File:Railgun Firing Projectile.jpg (Star Wars research: a railgun (Electromagnetic Launcher) fires a 0. 3 pound plastic projectile at 3 kilometers per second (7, 000 miles per hour) to completely penetrate a 1-inch steel target plate. The railgun is being developed at Maxwell Laboratories Inc. , San Diego, California, as part of the U. S. Government's research programme into space-based weapons capable of intercepting ballistic missiles - the Strategic Defense Initiative. Railguns use electromagnetism to accelerate a projectile...)
• 07:35, 3 April 2024 Lwcamp talk contribs uploaded File:Railgun Firing Projectile.jpg (Star Wars research: a railgun (Electromagnetic Launcher) fires a 0. 3 pound plastic projectile at 3 kilometers per second (7, 000 miles per hour) to completely penetrate a 1-inch steel target plate. The railgun is being developed at Maxwell Laboratories Inc. , San Diego, California, as part of the U. S. Government's research programme into space-based weapons capable of intercepting ballistic missiles - the Strategic Defense Initiative. Railguns use electromagnetism to accelerate a projectile...)
• 07:24, 3 April 2024 Lwcamp talk contribs created page File:Electromagnetic gun fire.jpg (An electromagnetic railgun is fired at 10.64 megajoules with a muzzle velocity of 2,520 meters per second at Naval Surface Warfare Center, Dahlgren, Va., Jan. 31, 2008. Credit: U.S. Department of Defense https://www.defense.gov/Multimedia/Photos/igphoto/2001982027/)
• 07:24, 3 April 2024 Lwcamp talk contribs uploaded File:Electromagnetic gun fire.jpg (An electromagnetic railgun is fired at 10.64 megajoules with a muzzle velocity of 2,520 meters per second at Naval Surface Warfare Center, Dahlgren, Va., Jan. 31, 2008. Credit: U.S. Department of Defense https://www.defense.gov/Multimedia/Photos/igphoto/2001982027/)
• 13:12, 1 April 2024 Lwcamp talk contribs uploaded a new version of File:Railgun simplified.png
• 10:47, 31 March 2024 Lwcamp talk contribs uploaded a new version of File:Railgun simplified.png
• 10:45, 31 March 2024 Lwcamp talk contribs created page File:Railgun simplified.png (A simplified diagram showing the workings of a railgun. The current flowing through the rails produces a magnetic field that pushes on the current flowing through the projectile, propelling down the rails.)
• 10:45, 31 March 2024 Lwcamp talk contribs uploaded File:Railgun simplified.png (A simplified diagram showing the workings of a railgun. The current flowing through the rails produces a magnetic field that pushes on the current flowing through the projectile, propelling down the rails.)
• 10:18, 31 March 2024 Lwcamp talk contribs created page File:Lorentz force current magnetic.png (The force on a current due to a magnetic field.)
• 10:18, 31 March 2024 Lwcamp talk contribs uploaded File:Lorentz force current magnetic.png (The force on a current due to a magnetic field.)
• 10:17, 31 March 2024 Lwcamp talk contribs created page File:Field from parallel wires.png (The magnetic field (magenta) circulating around a cross sectional plane perpendicular to the direction of two infinite line of current in the opposite directions (green).)
• 10:17, 31 March 2024 Lwcamp talk contribs uploaded File:Field from parallel wires.png (The magnetic field (magenta) circulating around a cross sectional plane perpendicular to the direction of two infinite line of current in the opposite directions (green).)
• 10:17, 31 March 2024 Lwcamp talk contribs created page File:Amperes circuit law.png (The magnetic field (magenta) circulating around a cross sectional plane perpendicular to the direction of an infinite line of current (green).)
• 10:17, 31 March 2024 Lwcamp talk contribs uploaded File:Amperes circuit law.png (The magnetic field (magenta) circulating around a cross sectional plane perpendicular to the direction of an infinite line of current (green).)
• 09:07, 31 March 2024 Lwcamp talk contribs created page Railguns (Created page with "{{PageConstructionNotice}} A railgun is a projectile weapon that uses high electric currents to push a projectile between two rails. The potential advantages of a railgun ar...")
• 16:24, 15 March 2024 Lwcamp talk contribs created page File:Electrostatic active shielding 2.png (Geometry optimized electrostatic shield design with negatively charged rods and positively charged plates. Design from Rajarshi Pal Chowdhury, Luke A. Stegeman, Matthew L. Lund, Dan Fry, Stojan Madzunkov, and Amir A. Bahadori, "Hybrid methods of radiation shielding against deep-space radiation", Life Sciences in Space Research, Volume 38, 2023, Pages 67-78, ISSN 2214-5524, https://doi.org/10.1016/j.lssr.2023.04.004.)
• 16:24, 15 March 2024 Lwcamp talk contribs uploaded File:Electrostatic active shielding 2.png (Geometry optimized electrostatic shield design with negatively charged rods and positively charged plates. Design from Rajarshi Pal Chowdhury, Luke A. Stegeman, Matthew L. Lund, Dan Fry, Stojan Madzunkov, and Amir A. Bahadori, "Hybrid methods of radiation shielding against deep-space radiation", Life Sciences in Space Research, Volume 38, 2023, Pages 67-78, ISSN 2214-5524, https://doi.org/10.1016/j.lssr.2023.04.004.)
• 08:12, 14 March 2024 Lwcamp talk contribs created page File:Magnetic shielding Halback Array.png (A spacecraft with a Halback array for a shield. A Halback array is a sequence of magnets each rotated by 90 degrees from the previous, so that their fields add on one side and cancel on the other. By making the field cancel in the interior of the Halback ring, the habitation module can be kept relatively field-free. The magnetic fields are shown in magenta and the current loops in green. Design from Paolo Desiati and Elena D'Onghia, "CREW HaT: A Magnetic Shielding System for Space Habitats",...)
• 08:12, 14 March 2024 Lwcamp talk contribs uploaded File:Magnetic shielding Halback Array.png (A spacecraft with a Halback array for a shield. A Halback array is a sequence of magnets each rotated by 90 degrees from the previous, so that their fields add on one side and cancel on the other. By making the field cancel in the interior of the Halback ring, the habitation module can be kept relatively field-free. The magnetic fields are shown in magenta and the current loops in green. Design from Paolo Desiati and Elena D'Onghia, "CREW HaT: A Magnetic Shielding System for Space Habitats",...)
• 20:05, 13 March 2024 Lwcamp talk contribs created page File:Plasma shield.png (A habitation module with a plasma shield. The section in in the shape of a torus, as is necessary for hybrid shielding but which also conveniently allows spin gravity. Superconductive cables under the hull hull carry high electric currents (shown in green) which make a magnetic field (shown in magenta) that cancels in the interior but adds outside the ring. The fields confine a cloud of electrons (shown in yellow) outside of the habitat. The habitat itself carries a high positive electric cha...)
• 20:05, 13 March 2024 Lwcamp talk contribs uploaded File:Plasma shield.png (A habitation module with a plasma shield. The section in in the shape of a torus, as is necessary for hybrid shielding but which also conveniently allows spin gravity. Superconductive cables under the hull hull carry high electric currents (shown in green) which make a magnetic field (shown in magenta) that cancels in the interior but adds outside the ring. The fields confine a cloud of electrons (shown in yellow) outside of the habitat. The habitat itself carries a high positive electric cha...)
• 17:33, 2 March 2024 Lwcamp talk contribs created page File:Elctrostatic active shielding.png (One proposed design for a deployable elctrostatic shield, using thin conductive "balloons" that "inflate" into spheres once charged. Ram K. Tripathi, John W. Wilson, and Robert C. Youngquist, "Electrostatic Active Radiation Shielding - Revisited", 2006 IEEE Aerospace Conference, Big Sky, MT, USA, 2006, pp. 9 pp.-, doi: 10.1109/AERO.2006.1655760.)
• 17:33, 2 March 2024 Lwcamp talk contribs uploaded File:Elctrostatic active shielding.png (One proposed design for a deployable elctrostatic shield, using thin conductive "balloons" that "inflate" into spheres once charged. Ram K. Tripathi, John W. Wilson, and Robert C. Youngquist, "Electrostatic Active Radiation Shielding - Revisited", 2006 IEEE Aerospace Conference, Big Sky, MT, USA, 2006, pp. 9 pp.-, doi: 10.1109/AERO.2006.1655760.)