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		<id>http://wiki.solarsails.info/index.php?action=history&amp;feed=atom&amp;title=File%3AHeliogyr.jpg</id>
		<title>File:Heliogyr.jpg - Revision history</title>
		<link rel="self" type="application/atom+xml" href="http://wiki.solarsails.info/index.php?action=history&amp;feed=atom&amp;title=File%3AHeliogyr.jpg"/>
		<link rel="alternate" type="text/html" href="http://wiki.solarsails.info/index.php?title=File:Heliogyr.jpg&amp;action=history"/>
		<updated>2026-04-30T07:07:17Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
		<generator>MediaWiki 1.21.1</generator>

	<entry>
		<id>http://wiki.solarsails.info/index.php?title=File:Heliogyr.jpg&amp;diff=4390&amp;oldid=prev</id>
		<title>Ben: Added link to POVRay source file</title>
		<link rel="alternate" type="text/html" href="http://wiki.solarsails.info/index.php?title=File:Heliogyr.jpg&amp;diff=4390&amp;oldid=prev"/>
				<updated>2013-09-28T18:06:43Z</updated>
		
		<summary type="html">&lt;p&gt;Added link to POVRay source file&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
			&lt;tr style='vertical-align: top;'&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 18:06, 28 September 2013&lt;/td&gt;
			&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Halley Rendezvous heliogyro solar sail. Spinning sail with long, thin blades. The blades are tilted like those of a helicopter to steer the vessel. Created 1999 by Benjamin L. Diedrich using POVRay.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Halley Rendezvous heliogyro solar sail. Spinning sail with long, thin blades. The blades are tilted like those of a helicopter to steer the vessel. Created 1999 by Benjamin L. Diedrich using POVRay. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Source file: [[File:Heliogyr.pov]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Cc-by-sa-3.0|Attribution: From SolarSailWiki, by Ben Diedrich}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Cc-by-sa-3.0|Attribution: From SolarSailWiki, by Ben Diedrich}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Ben</name></author>	</entry>

	<entry>
		<id>http://wiki.solarsails.info/index.php?title=File:Heliogyr.jpg&amp;diff=3299&amp;oldid=prev</id>
		<title>Ben at 21:29, 30 September 2007</title>
		<link rel="alternate" type="text/html" href="http://wiki.solarsails.info/index.php?title=File:Heliogyr.jpg&amp;diff=3299&amp;oldid=prev"/>
				<updated>2007-09-30T21:29:45Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
			&lt;tr style='vertical-align: top;'&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 21:29, 30 September 2007&lt;/td&gt;
			&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Halley Rendezvous heliogyro solar sail. Spinning sail with long, thin blades. The blades are tilted like those of a helicopter to steer the vessel. Created 1999 by Benjamin L. Diedrich using POVRay.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Halley Rendezvous heliogyro solar sail. Spinning sail with long, thin blades. The blades are tilted like those of a helicopter to steer the vessel. Created 1999 by Benjamin L. Diedrich using POVRay.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Cc-by-sa-3.0}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Cc-by-sa-3.0&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;|Attribution: From SolarSailWiki, by Ben Diedrich&lt;/ins&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Ben</name></author>	</entry>

	<entry>
		<id>http://wiki.solarsails.info/index.php?title=File:Heliogyr.jpg&amp;diff=3293&amp;oldid=prev</id>
		<title>Ben at 21:09, 30 September 2007</title>
		<link rel="alternate" type="text/html" href="http://wiki.solarsails.info/index.php?title=File:Heliogyr.jpg&amp;diff=3293&amp;oldid=prev"/>
				<updated>2007-09-30T21:09:36Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
			&lt;tr style='vertical-align: top;'&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 21:09, 30 September 2007&lt;/td&gt;
			&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Halley Rendezvous heliogyro solar sail. Spinning sail with long, thin blades. The blades are tilted like those of a helicopter to steer the vessel. Created 1999 by Benjamin L. Diedrich using POVRay.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Halley Rendezvous heliogyro solar sail. Spinning sail with long, thin blades. The blades are tilted like those of a helicopter to steer the vessel. Created 1999 by Benjamin L. Diedrich using POVRay.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;{{Cc-by-sa-3.0}}&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Ben</name></author>	</entry>

	<entry>
		<id>http://wiki.solarsails.info/index.php?title=File:Heliogyr.jpg&amp;diff=1322&amp;oldid=prev</id>
		<title>Ben: Halley Rendezvous heliogyro solar sail. Spinning sail with long, thin blades. The blades are tilted like those of a helicopter to steer the vessel. Created 1999 by Benjamin L. Diedrich using POVRay.</title>
		<link rel="alternate" type="text/html" href="http://wiki.solarsails.info/index.php?title=File:Heliogyr.jpg&amp;diff=1322&amp;oldid=prev"/>
				<updated>2006-02-17T14:51:31Z</updated>
		
		<summary type="html">&lt;p&gt;Halley Rendezvous heliogyro solar sail. Spinning sail with long, thin blades. The blades are tilted like those of a helicopter to steer the vessel. Created 1999 by Benjamin L. Diedrich using POVRay.&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Halley Rendezvous heliogyro solar sail. Spinning sail with long, thin blades. The blades are tilted like those of a helicopter to steer the vessel. Created 1999 by Benjamin L. Diedrich using POVRay.&lt;/div&gt;</summary>
		<author><name>Ben</name></author>	</entry>

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