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	<id>https://lunarpedia.org/index.php?action=history&amp;feed=atom&amp;title=Orbital_Ring</id>
	<title>Orbital Ring - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://lunarpedia.org/index.php?action=history&amp;feed=atom&amp;title=Orbital_Ring"/>
	<link rel="alternate" type="text/html" href="https://lunarpedia.org/index.php?title=Orbital_Ring&amp;action=history"/>
	<updated>2026-05-04T08:47:42Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://lunarpedia.org/index.php?title=Orbital_Ring&amp;diff=16849&amp;oldid=prev</id>
		<title>Farred: addition</title>
		<link rel="alternate" type="text/html" href="https://lunarpedia.org/index.php?title=Orbital_Ring&amp;diff=16849&amp;oldid=prev"/>
		<updated>2011-11-07T13:13:49Z</updated>

		<summary type="html">&lt;p&gt;addition&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;Revision as of 13:13, 7 November 2011&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&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: #222; 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;One of the many orbiting facilities that might be made possible by the use of lunar materials is an orbiting ring.  A massive iron ring with one portion of an electric motor on it would be encased in a tube that would be magnetically suspended from the ring and would contain the other half of the electric motor.  The iron ring would circle the Earth at super orbital velocity while the tube would be stationary.  Cables would hang down from the tube to the surface of the Earth at the equator and people and cargo would ascend these cables 90 miles to orbital altitude.  With only 90 miles of cable necessary to get to outer space, super strong materials would not be needed.  Ordinary carbon fiber reinforced plastic would do.  A truss work  connected to the tube would distribute the force evenly over the circumference of the ring.  The tube would incorporate electromagnetic launching facilities to send passengers and cargo into the solar system.  This sort of device could provide truly large scale transportation off planet for reasonable prices.   &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; 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;One of the many orbiting facilities that might be made possible by the use of lunar materials is an orbiting ring.  A massive iron ring with one portion of an electric motor on it would be encased in a tube that would be magnetically suspended from the ring and would contain the other half of the electric motor.  The iron ring would circle the Earth at super orbital velocity while the tube would be stationary.  Cables would hang down from the tube to the surface of the Earth at the equator and people and cargo would ascend these cables 90 miles to orbital altitude.  With only 90 miles of cable necessary to get to outer space, super strong materials would not be needed.  Ordinary carbon fiber reinforced plastic would do.  A truss work  connected to the tube would distribute the force evenly over the circumference of the ring.  The tube would incorporate electromagnetic launching facilities to send passengers and cargo into the solar system.  This sort of device could provide truly large scale transportation off planet for reasonable prices &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;per pound&lt;/ins&gt;.  &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Among the difficulties and problems with this concept is the large scale market which would be required before there could be any hope of economic operation and the possibility of catastrophic failure. &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; 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; &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; 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 class=&quot;diffchange diffchange-inline&quot;&gt; &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Eng Stub}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Eng Stub}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Construction of Orbital Structures]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Construction of Orbital Structures]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;!-- diff cache key lunarpedia_prod-mw_:diff::1.12:old-16848:rev-16849 --&gt;
&lt;/table&gt;</summary>
		<author><name>Farred</name></author>
		
	</entry>
	<entry>
		<id>https://lunarpedia.org/index.php?title=Orbital_Ring&amp;diff=16848&amp;oldid=prev</id>
		<title>Farred: fix typo</title>
		<link rel="alternate" type="text/html" href="https://lunarpedia.org/index.php?title=Orbital_Ring&amp;diff=16848&amp;oldid=prev"/>
		<updated>2011-11-07T13:06:03Z</updated>

		<summary type="html">&lt;p&gt;fix typo&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;Revision as of 13:06, 7 November 2011&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&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: #222; 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;One of the many orbiting facilities that might be made possible by the use of lunar materials is an orbiting ring.  A massive iron ring with one portion of &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and &lt;/del&gt;electric motor on it would be encased in a tube that would be magnetically suspended from the ring and would contain the other half of the electric motor.  The iron ring would circle the Earth at super orbital velocity while the tube would be stationary.  Cables would hang down from the tube to the surface of the Earth at the equator and people and cargo would ascend these cables 90 miles to orbital altitude.  With only 90 miles of cable necessary to get to outer space, super strong materials would not be needed.  Ordinary carbon fiber reinforced plastic would do.  A truss work  connected to the tube would distribute the force evenly over the circumference of the ring.  The tube would incorporate electromagnetic launching facilities to send passengers and cargo into the solar system.  This sort of device could provide truly large scale transportation off planet for reasonable prices.   &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; 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;One of the many orbiting facilities that might be made possible by the use of lunar materials is an orbiting ring.  A massive iron ring with one portion of &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;an &lt;/ins&gt;electric motor on it would be encased in a tube that would be magnetically suspended from the ring and would contain the other half of the electric motor.  The iron ring would circle the Earth at super orbital velocity while the tube would be stationary.  Cables would hang down from the tube to the surface of the Earth at the equator and people and cargo would ascend these cables 90 miles to orbital altitude.  With only 90 miles of cable necessary to get to outer space, super strong materials would not be needed.  Ordinary carbon fiber reinforced plastic would do.  A truss work  connected to the tube would distribute the force evenly over the circumference of the ring.  The tube would incorporate electromagnetic launching facilities to send passengers and cargo into the solar system.  This sort of device could provide truly large scale transportation off planet for reasonable prices.   &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; 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;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Eng Stub}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Eng Stub}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Construction of Orbital Structures]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Construction of Orbital Structures]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;!-- diff cache key lunarpedia_prod-mw_:diff::1.12:old-15643:rev-16848 --&gt;
&lt;/table&gt;</summary>
		<author><name>Farred</name></author>
		
	</entry>
	<entry>
		<id>https://lunarpedia.org/index.php?title=Orbital_Ring&amp;diff=15643&amp;oldid=prev</id>
		<title>Strangelv: adding stub tag</title>
		<link rel="alternate" type="text/html" href="https://lunarpedia.org/index.php?title=Orbital_Ring&amp;diff=15643&amp;oldid=prev"/>
		<updated>2010-09-11T07:19:56Z</updated>

		<summary type="html">&lt;p&gt;adding stub tag&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;Revision as of 07:19, 11 September 2010&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&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;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;One of the many orbiting facilities that might be made possible by the use of lunar materials is an orbiting ring.  A massive iron ring with one portion of and electric motor on it would be encased in a tube that would be magnetically suspended from the ring and would contain the other half of the electric motor.  The iron ring would circle the Earth at super orbital velocity while the tube would be stationary.  Cables would hang down from the tube to the surface of the Earth at the equator and people and cargo would ascend these cables 90 miles to orbital altitude.  With only 90 miles of cable necessary to get to outer space, super strong materials would not be needed.  Ordinary carbon fiber reinforced plastic would do.  A truss work  connected to the tube would distribute the force evenly over the circumference of the ring.  The tube would incorporate electromagnetic launching facilities to send passengers and cargo into the solar system.  This sort of device could provide truly large scale transportation off planet for reasonable prices.   &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;One of the many orbiting facilities that might be made possible by the use of lunar materials is an orbiting ring.  A massive iron ring with one portion of and electric motor on it would be encased in a tube that would be magnetically suspended from the ring and would contain the other half of the electric motor.  The iron ring would circle the Earth at super orbital velocity while the tube would be stationary.  Cables would hang down from the tube to the surface of the Earth at the equator and people and cargo would ascend these cables 90 miles to orbital altitude.  With only 90 miles of cable necessary to get to outer space, super strong materials would not be needed.  Ordinary carbon fiber reinforced plastic would do.  A truss work  connected to the tube would distribute the force evenly over the circumference of the ring.  The tube would incorporate electromagnetic launching facilities to send passengers and cargo into the solar system.  This sort of device could provide truly large scale transportation off planet for reasonable prices.   &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; 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;[[&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;category&lt;/del&gt;:Construction of Orbital Structures]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; 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;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; 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 class=&quot;diffchange diffchange-inline&quot;&gt;{{Eng Stub}}&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; 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 class=&quot;diffchange diffchange-inline&quot;&gt;Category&lt;/ins&gt;:Construction of Orbital Structures]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;!-- diff cache key lunarpedia_prod-mw_:diff::1.12:old-15605:rev-15643 --&gt;
&lt;/table&gt;</summary>
		<author><name>Strangelv</name></author>
		
	</entry>
	<entry>
		<id>https://lunarpedia.org/index.php?title=Orbital_Ring&amp;diff=15605&amp;oldid=prev</id>
		<title>Farred: fixing typo</title>
		<link rel="alternate" type="text/html" href="https://lunarpedia.org/index.php?title=Orbital_Ring&amp;diff=15605&amp;oldid=prev"/>
		<updated>2010-07-31T18:53:02Z</updated>

		<summary type="html">&lt;p&gt;fixing typo&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;Revision as of 18:53, 31 July 2010&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&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: #222; 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;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Of &lt;/del&gt;the many orbiting facilities that might be made possible by the use of lunar materials is an orbiting ring.  A massive iron ring with one portion of and electric motor on it would be encased in a tube that would be magnetically suspended from the ring and would contain the other half of the electric motor.  The iron ring would circle the Earth at super orbital velocity while the tube would be stationary.  Cables would hang down from the tube to the surface of the Earth at the equator and people and cargo would ascend these cables 90 miles to orbital altitude.  With only 90 miles of cable necessary to get to outer space, super strong materials would not be needed.  Ordinary carbon fiber reinforced plastic would do.  A truss work  connected to the tube would distribute the force evenly over the circumference of the ring.  The tube would incorporate electromagnetic launching facilities to send passengers and cargo into the solar system.  This sort of device could provide truly large scale transportation off planet for reasonable prices.   &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; 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 class=&quot;diffchange diffchange-inline&quot;&gt;One of &lt;/ins&gt;the many orbiting facilities that might be made possible by the use of lunar materials is an orbiting ring.  A massive iron ring with one portion of and electric motor on it would be encased in a tube that would be magnetically suspended from the ring and would contain the other half of the electric motor.  The iron ring would circle the Earth at super orbital velocity while the tube would be stationary.  Cables would hang down from the tube to the surface of the Earth at the equator and people and cargo would ascend these cables 90 miles to orbital altitude.  With only 90 miles of cable necessary to get to outer space, super strong materials would not be needed.  Ordinary carbon fiber reinforced plastic would do.  A truss work  connected to the tube would distribute the force evenly over the circumference of the ring.  The tube would incorporate electromagnetic launching facilities to send passengers and cargo into the solar system.  This sort of device could provide truly large scale transportation off planet for reasonable prices.   &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[category:Construction of Orbital Structures]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[category:Construction of Orbital Structures]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;!-- diff cache key lunarpedia_prod-mw_:diff::1.12:old-15601:rev-15605 --&gt;
&lt;/table&gt;</summary>
		<author><name>Farred</name></author>
		
	</entry>
	<entry>
		<id>https://lunarpedia.org/index.php?title=Orbital_Ring&amp;diff=15601&amp;oldid=prev</id>
		<title>Farred: orbital ring</title>
		<link rel="alternate" type="text/html" href="https://lunarpedia.org/index.php?title=Orbital_Ring&amp;diff=15601&amp;oldid=prev"/>
		<updated>2010-07-31T18:35:17Z</updated>

		<summary type="html">&lt;p&gt;orbital ring&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Of the many orbiting facilities that might be made possible by the use of lunar materials is an orbiting ring.  A massive iron ring with one portion of and electric motor on it would be encased in a tube that would be magnetically suspended from the ring and would contain the other half of the electric motor.  The iron ring would circle the Earth at super orbital velocity while the tube would be stationary.  Cables would hang down from the tube to the surface of the Earth at the equator and people and cargo would ascend these cables 90 miles to orbital altitude.  With only 90 miles of cable necessary to get to outer space, super strong materials would not be needed.  Ordinary carbon fiber reinforced plastic would do.  A truss work  connected to the tube would distribute the force evenly over the circumference of the ring.  The tube would incorporate electromagnetic launching facilities to send passengers and cargo into the solar system.  This sort of device could provide truly large scale transportation off planet for reasonable prices.  &lt;br /&gt;
[[category:Construction of Orbital Structures]]&lt;/div&gt;</summary>
		<author><name>Farred</name></author>
		
	</entry>
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