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	<id>http://www.physicsbook.gatech.edu/api.php?action=feedcontributions&amp;feedformat=atom&amp;user=Orrin+Borden</id>
	<title>Physics Book - User contributions [en]</title>
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	<updated>2026-04-24T21:36:21Z</updated>
	<subtitle>User contributions</subtitle>
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	<entry>
		<id>http://www.physicsbook.gatech.edu/index.php?title=Analysis_of_Railgun_vs_Coil_gun_technologies&amp;diff=47298</id>
		<title>Analysis of Railgun vs Coil gun technologies</title>
		<link rel="alternate" type="text/html" href="http://www.physicsbook.gatech.edu/index.php?title=Analysis_of_Railgun_vs_Coil_gun_technologies&amp;diff=47298"/>
		<updated>2025-11-10T18:54:09Z</updated>

		<summary type="html">&lt;p&gt;Orrin Borden: Wrote a short introduction, and outlined different sections I intend to write.&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;&#039;&#039;&#039;Claimed by Orrin Borden Fall 2025&#039;&#039;&#039;&lt;br /&gt;
&lt;br /&gt;
Rail guns  and coil guns both use electromagnetic forces to launch projectiles. A rail gun ejects a projectile, called armature by running a current of several million Amperes across two rails, which are connected in a loop by the conducting projectile. The current generates a magnetic force on the projectile, which propels it out of the muzzle. &lt;br /&gt;
A coil gun uses one or several coils of current carrying wire to generate carefully timed magnetic &amp;quot;pulls&amp;quot; to propel a projectile. The barrel of the gun is wrapped one or several coils, through which a current is run to generate a magnetic force, pulling the projectile forward. Once one coil is reached by the projectile, current is diverted to next coil to pull it forward even more.&lt;br /&gt;
&lt;br /&gt;
==Operating Principles==&lt;br /&gt;
===Rail Gun Operating Principle===&lt;br /&gt;
===Coil Gun Operating Principle===&lt;br /&gt;
==Comparison==&lt;br /&gt;
===Advantages of Rail Guns===&lt;br /&gt;
===Advantages of Coil Guns===&lt;br /&gt;
===Disadvantages of Rail Guns===&lt;br /&gt;
===Disadvantages of Coil Guns===&lt;br /&gt;
==Glowscript Model for a Rail Gun==&lt;/div&gt;</summary>
		<author><name>Orrin Borden</name></author>
	</entry>
	<entry>
		<id>http://www.physicsbook.gatech.edu/index.php?title=Analysis_of_Railgun_vs_Coil_gun_technologies&amp;diff=47297</id>
		<title>Analysis of Railgun vs Coil gun technologies</title>
		<link rel="alternate" type="text/html" href="http://www.physicsbook.gatech.edu/index.php?title=Analysis_of_Railgun_vs_Coil_gun_technologies&amp;diff=47297"/>
		<updated>2025-11-10T18:29:20Z</updated>

		<summary type="html">&lt;p&gt;Orrin Borden: Created page with &amp;quot;Claimed by Orrin Borden Fall 2025&amp;quot;&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Claimed by Orrin Borden Fall 2025&lt;/div&gt;</summary>
		<author><name>Orrin Borden</name></author>
	</entry>
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