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	<id>https://spudfiles.com/spud_wiki/index.php?action=history&amp;feed=atom&amp;title=Over%2Funder</id>
	<title>Over/under - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://spudfiles.com/spud_wiki/index.php?action=history&amp;feed=atom&amp;title=Over%2Funder"/>
	<link rel="alternate" type="text/html" href="https://spudfiles.com/spud_wiki/index.php?title=Over/under&amp;action=history"/>
	<updated>2026-05-12T17:10:53Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://spudfiles.com/spud_wiki/index.php?title=Over/under&amp;diff=3757&amp;oldid=prev</id>
		<title>Benstern: added links</title>
		<link rel="alternate" type="text/html" href="https://spudfiles.com/spud_wiki/index.php?title=Over/under&amp;diff=3757&amp;oldid=prev"/>
		<updated>2008-06-01T13:19:04Z</updated>

		<summary type="html">&lt;p&gt;added links&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&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: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 08:19, 1 June 2008&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=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; 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;[[Image:Over-under.jpg|thumbnail|300px|An over/under style cannon]]An &#039;&#039;&#039;Over/under&#039;&#039;&#039; launcher is one where the barrel is turned 180* (using 2 90&amp;amp;deg; elbows, typically) so that it points in the opposite direction of the chamber, and is directly above it. This makes the total launcher length shorter, although the 90&amp;amp;deg; bends will slightly reduce flow. The design is very common in [[pneumatic launcher]]s, since many &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;pneumatic valves &lt;/del&gt;have the input and output ports at right angles. Pneumatic chambers are also usually longer than combustion chambers, so more overall length is saved.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; 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;[[Image:Over-under.jpg|thumbnail|300px|An over/under style cannon]]An &#039;&#039;&#039;Over/under&#039;&#039;&#039; launcher is one where the &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;barrel&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]] &lt;/ins&gt;is turned 180* (using 2 90&amp;amp;deg; elbows, typically) so that it points in the opposite direction of the &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;chamber&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;, and is directly above it. This makes the total launcher length shorter, although the 90&amp;amp;deg; bends will slightly reduce flow. The design is very common in [[pneumatic launcher]]s, since many &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[valve]]s &lt;/ins&gt;have the input and output ports at right angles. Pneumatic chambers are also usually longer than &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;combustion &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;cannon]] &lt;/ins&gt;chambers, so more overall length is saved.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; 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;Recoil puts a lot of stress on the elbows, barrel supports clamping the chamber and barrel together are recommended to reinforce the launcher and keep the barrel steady.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; 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;Recoil puts a lot of stress on the elbows, barrel supports clamping the chamber and barrel together are recommended to reinforce the launcher and keep the barrel steady.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Benstern</name></author>
	</entry>
	<entry>
		<id>https://spudfiles.com/spud_wiki/index.php?title=Over/under&amp;diff=3332&amp;oldid=prev</id>
		<title>Benstern: spelling</title>
		<link rel="alternate" type="text/html" href="https://spudfiles.com/spud_wiki/index.php?title=Over/under&amp;diff=3332&amp;oldid=prev"/>
		<updated>2007-06-05T17:41:35Z</updated>

		<summary type="html">&lt;p&gt;spelling&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&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: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 12:41, 5 June 2007&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=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; 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;[[Image:Over-under.jpg|thumbnail|300px|An over/under &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;stlye &lt;/del&gt;cannon]]An &#039;&#039;&#039;Over/under&#039;&#039;&#039; launcher is one where the barrel is turned 180* (using 2 90&amp;amp;deg; elbows, typically) so that it points in the opposite direction of the chamber, and is directly above it. This makes the total launcher length shorter, although the 90&amp;amp;deg; bends will slightly reduce flow. The design is very common in [[pneumatic launcher]]s, since many pneumatic valves have the input and output ports at right angles. Pneumatic chambers are also usually longer than combustion chambers, so more overall length is saved.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; 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;[[Image:Over-under.jpg|thumbnail|300px|An over/under &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;style &lt;/ins&gt;cannon]]An &#039;&#039;&#039;Over/under&#039;&#039;&#039; launcher is one where the barrel is turned 180* (using 2 90&amp;amp;deg; elbows, typically) so that it points in the opposite direction of the chamber, and is directly above it. This makes the total launcher length shorter, although the 90&amp;amp;deg; bends will slightly reduce flow. The design is very common in [[pneumatic launcher]]s, since many pneumatic valves have the input and output ports at right angles. Pneumatic chambers are also usually longer than combustion chambers, so more overall length is saved.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; 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;Recoil puts a lot of stress on the elbows, barrel supports clamping the chamber and barrel together are &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;recomended &lt;/del&gt;to reinforce the launcher and keep the barrel steady.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; 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;Recoil puts a lot of stress on the elbows, barrel supports clamping the chamber and barrel together are &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;recommended &lt;/ins&gt;to reinforce the launcher and keep the barrel steady.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Benstern</name></author>
	</entry>
	<entry>
		<id>https://spudfiles.com/spud_wiki/index.php?title=Over/under&amp;diff=2416&amp;oldid=prev</id>
		<title>DK at 22:35, 8 June 2006</title>
		<link rel="alternate" type="text/html" href="https://spudfiles.com/spud_wiki/index.php?title=Over/under&amp;diff=2416&amp;oldid=prev"/>
		<updated>2006-06-08T22:35:10Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&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: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 17:35, 8 June 2006&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=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; 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;[[Image:Over-under.jpg|thumbnail|300px|An over/under stlye cannon]]An &#039;&#039;&#039;Over/under&#039;&#039;&#039; launcher is one where &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;he &lt;/del&gt;barrel is turned 180* (using 2 90&amp;amp;deg; elbows, typically) so that it points in the opposite direction of the chamber, and is directly above it. This makes the total launcher length shorter, although the 90&amp;amp;deg; bends will slightly reduce flow. The design is very common in [[pneumatic launcher]]s, since many pneumatic valves have the input and output ports at right angles. Pneumatic chambers are also usually longer than combustion chambers, so more overall length is saved.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; 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;[[Image:Over-under.jpg|thumbnail|300px|An over/under stlye cannon]]An &#039;&#039;&#039;Over/under&#039;&#039;&#039; launcher is one where &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;the &lt;/ins&gt;barrel is turned 180* (using 2 90&amp;amp;deg; elbows, typically) so that it points in the opposite direction of the chamber, and is directly above it. This makes the total launcher length shorter, although the 90&amp;amp;deg; bends will slightly reduce flow. The design is very common in [[pneumatic launcher]]s, since many pneumatic valves have the input and output ports at right angles. Pneumatic chambers are also usually longer than combustion chambers, so more overall length is saved.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; 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;Recoil puts a lot of stress on the elbows, barrel supports clamping the chamber and barrel together are recomended to reinforce the launcher and keep the barrel steady.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; 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;Recoil puts a lot of stress on the elbows, barrel supports clamping the chamber and barrel together are recomended to reinforce the launcher and keep the barrel steady.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>DK</name></author>
	</entry>
	<entry>
		<id>https://spudfiles.com/spud_wiki/index.php?title=Over/under&amp;diff=1672&amp;oldid=prev</id>
		<title>1984 at 02:05, 24 October 2005</title>
		<link rel="alternate" type="text/html" href="https://spudfiles.com/spud_wiki/index.php?title=Over/under&amp;diff=1672&amp;oldid=prev"/>
		<updated>2005-10-24T02:05:27Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&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: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 21:05, 23 October 2005&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=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; 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;An &#039;&#039;&#039;Over/under&#039;&#039;&#039; launcher is one where he barrel is turned 180* (using 2 90&amp;amp;deg; elbows, typically) so that it points in the opposite direction of the chamber, and is directly above it. This makes the total launcher length shorter, although the 90&amp;amp;deg; bends will slightly reduce flow. The design is very common in [[pneumatic launcher]]s, since many pneumatic valves have the input and output ports at right angles. Pneumatic chambers are also usually longer than combustion chambers, so more overall length is saved.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; 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;[[Image:Over-under.jpg|thumbnail|300px|An over/under stlye cannon]]&lt;/ins&gt;An &#039;&#039;&#039;Over/under&#039;&#039;&#039; launcher is one where he barrel is turned 180* (using 2 90&amp;amp;deg; elbows, typically) so that it points in the opposite direction of the chamber, and is directly above it. This makes the total launcher length shorter, although the 90&amp;amp;deg; bends will slightly reduce flow. The design is very common in [[pneumatic launcher]]s, since many pneumatic valves have the input and output ports at right angles. Pneumatic chambers are also usually longer than combustion chambers, so more overall length is saved.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; 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;Recoil puts a lot of stress on the elbows, barrel supports clamping the chamber and barrel together are recomended to reinforce the launcher and keep the barrel steady.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; 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;Recoil puts a lot of stress on the elbows, barrel supports clamping the chamber and barrel together are recomended to reinforce the launcher and keep the barrel steady.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>1984</name></author>
	</entry>
	<entry>
		<id>https://spudfiles.com/spud_wiki/index.php?title=Over/under&amp;diff=1671&amp;oldid=prev</id>
		<title>1984 at 01:59, 24 October 2005</title>
		<link rel="alternate" type="text/html" href="https://spudfiles.com/spud_wiki/index.php?title=Over/under&amp;diff=1671&amp;oldid=prev"/>
		<updated>2005-10-24T01:59:17Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&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: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 20:59, 23 October 2005&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=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; 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 style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Image:Over-under.jpg|frame|An over/under stlye cannon]]&lt;/del&gt;An &#039;&#039;&#039;Over/under&#039;&#039;&#039; launcher is one where he barrel is turned 180* (using 2 90&amp;amp;deg; elbows, typically) so that it points in the opposite direction of the chamber, and is directly above it. This makes the total launcher length shorter, although the 90&amp;amp;deg; bends will slightly reduce flow. The design is very common in [[pneumatic launcher]]s, since many pneumatic valves have the input and output ports at right angles. Pneumatic chambers are also usually longer than combustion chambers, so more overall length is saved.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; 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;An &#039;&#039;&#039;Over/under&#039;&#039;&#039; launcher is one where he barrel is turned 180* (using 2 90&amp;amp;deg; elbows, typically) so that it points in the opposite direction of the chamber, and is directly above it. This makes the total launcher length shorter, although the 90&amp;amp;deg; bends will slightly reduce flow. The design is very common in [[pneumatic launcher]]s, since many pneumatic valves have the input and output ports at right angles. Pneumatic chambers are also usually longer than combustion chambers, so more overall length is saved.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; 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;Recoil puts a lot of stress on the elbows, barrel supports clamping the chamber and barrel together are recomended to reinforce the launcher and keep the barrel steady.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; 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;Recoil puts a lot of stress on the elbows, barrel supports clamping the chamber and barrel together are recomended to reinforce the launcher and keep the barrel steady.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>1984</name></author>
	</entry>
	<entry>
		<id>https://spudfiles.com/spud_wiki/index.php?title=Over/under&amp;diff=1670&amp;oldid=prev</id>
		<title>1984 at 01:58, 24 October 2005</title>
		<link rel="alternate" type="text/html" href="https://spudfiles.com/spud_wiki/index.php?title=Over/under&amp;diff=1670&amp;oldid=prev"/>
		<updated>2005-10-24T01:58:49Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&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: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 20:58, 23 October 2005&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=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; 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;An &#039;&#039;&#039;Over/under&#039;&#039;&#039; launcher is one where he barrel is turned 180* (using 2 90&amp;amp;deg; elbows, typically) so that it points in the opposite direction of the chamber, and is directly above it. This makes the total launcher length shorter, although the 90&amp;amp;deg; bends will slightly reduce flow. The design is very common in [[pneumatic launcher]]s, since many pneumatic valves have the input and output ports at right angles. Pneumatic chambers are also usually longer than combustion chambers, so more overall length is saved.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; 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;[[Image:Over-under.jpg|frame|An over/under stlye cannon]]&lt;/ins&gt;An &#039;&#039;&#039;Over/under&#039;&#039;&#039; launcher is one where he barrel is turned 180* (using 2 90&amp;amp;deg; elbows, typically) so that it points in the opposite direction of the chamber, and is directly above it. This makes the total launcher length shorter, although the 90&amp;amp;deg; bends will slightly reduce flow. The design is very common in [[pneumatic launcher]]s, since many pneumatic valves have the input and output ports at right angles. Pneumatic chambers are also usually longer than combustion chambers, so more overall length is saved.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; 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;Recoil puts a lot of stress on the elbows, barrel supports clamping the chamber and barrel together are recomended to reinforce the launcher and keep the barrel steady.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; 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;Recoil puts a lot of stress on the elbows, barrel supports clamping the chamber and barrel together are recomended to reinforce the launcher and keep the barrel steady.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>1984</name></author>
	</entry>
	<entry>
		<id>https://spudfiles.com/spud_wiki/index.php?title=Over/under&amp;diff=1668&amp;oldid=prev</id>
		<title>1984 at 01:55, 24 October 2005</title>
		<link rel="alternate" type="text/html" href="https://spudfiles.com/spud_wiki/index.php?title=Over/under&amp;diff=1668&amp;oldid=prev"/>
		<updated>2005-10-24T01:55:27Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&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: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 20:55, 23 October 2005&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=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; 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 style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;The &lt;/del&gt;barrel is turned 180* (using 2 90&amp;amp;deg; elbows, typically) so that it points in the opposite direction of the chamber, and is directly above it. This makes the total launcher length shorter, although the 90&amp;amp;deg; bends will slightly reduce flow. The design is very common in [[pneumatic launcher]]s, since many pneumatic valves have the input and output ports at right angles. Pneumatic chambers are also usually longer than combustion chambers, so more overall length is saved.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; 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;An &#039;&#039;&#039;Over/under&#039;&#039;&#039; launcher is one where he &lt;/ins&gt;barrel is turned 180* (using 2 90&amp;amp;deg; elbows, typically) so that it points in the opposite direction of the chamber, and is directly above it. This makes the total launcher length shorter, although the 90&amp;amp;deg; bends will slightly reduce flow. The design is very common in [[pneumatic launcher]]s, since many pneumatic valves have the input and output ports at right angles. Pneumatic chambers are also usually longer than combustion chambers, so more overall length is saved.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; 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;Recoil puts a lot of stress on the elbows, barrel supports clamping the chamber and barrel together are recomended to reinforce the launcher and keep the barrel steady.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; 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;Recoil puts a lot of stress on the elbows, barrel supports clamping the chamber and barrel together are recomended to reinforce the launcher and keep the barrel steady.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>1984</name></author>
	</entry>
	<entry>
		<id>https://spudfiles.com/spud_wiki/index.php?title=Over/under&amp;diff=1487&amp;oldid=prev</id>
		<title>GalFisk: +link, degree symbol</title>
		<link rel="alternate" type="text/html" href="https://spudfiles.com/spud_wiki/index.php?title=Over/under&amp;diff=1487&amp;oldid=prev"/>
		<updated>2005-10-19T14:10:30Z</updated>

		<summary type="html">&lt;p&gt;+link, degree symbol&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&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: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 09:10, 19 October 2005&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=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; 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;The barrel is turned 180* (using 2 90&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* &lt;/del&gt;elbows, typically) so that it points in the opposite direction of the chamber, and is directly above it. This makes the total launcher length shorter, although the 90&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* &lt;/del&gt;bends will slightly reduce flow. The design is very common in pneumatic &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;launchers&lt;/del&gt;, since many pneumatic valves have the input and output ports at right angles. Pneumatic chambers are also usually longer than combustion chambers, so more overall length is saved.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; 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;The barrel is turned 180* (using 2 90&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;deg; &lt;/ins&gt;elbows, typically) so that it points in the opposite direction of the chamber, and is directly above it. This makes the total launcher length shorter, although the 90&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;deg; &lt;/ins&gt;bends will slightly reduce flow. The design is very common in &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;pneumatic &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;launcher]]s&lt;/ins&gt;, since many pneumatic valves have the input and output ports at right angles. Pneumatic chambers are also usually longer than combustion chambers, so more overall length is saved.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; 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;Recoil puts a lot of stress on the elbows, barrel supports clamping the chamber and barrel together are recomended to reinforce the launcher and keep the barrel steady.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; 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;Recoil puts a lot of stress on the elbows, barrel supports clamping the chamber and barrel together are recomended to reinforce the launcher and keep the barrel steady.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>GalFisk</name></author>
	</entry>
	<entry>
		<id>https://spudfiles.com/spud_wiki/index.php?title=Over/under&amp;diff=1459&amp;oldid=prev</id>
		<title>GalFisk: moved from launcher configuration to own page</title>
		<link rel="alternate" type="text/html" href="https://spudfiles.com/spud_wiki/index.php?title=Over/under&amp;diff=1459&amp;oldid=prev"/>
		<updated>2005-10-19T08:46:07Z</updated>

		<summary type="html">&lt;p&gt;moved from launcher configuration to own page&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;The barrel is turned 180* (using 2 90* elbows, typically) so that it points in the opposite direction of the chamber, and is directly above it. This makes the total launcher length shorter, although the 90* bends will slightly reduce flow. The design is very common in pneumatic launchers, since many pneumatic valves have the input and output ports at right angles. Pneumatic chambers are also usually longer than combustion chambers, so more overall length is saved.&lt;br /&gt;
Recoil puts a lot of stress on the elbows, barrel supports clamping the chamber and barrel together are recomended to reinforce the launcher and keep the barrel steady.&lt;/div&gt;</summary>
		<author><name>GalFisk</name></author>
	</entry>
</feed>