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	<id>https://wiki.opensourceecology.org/index.php?action=history&amp;feed=atom&amp;title=Steam_Engine_Build%2FOptional_Sensor_Vent</id>
	<title>Steam Engine Build/Optional Sensor Vent - Revision history</title>
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	<updated>2026-05-15T12:55:56Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://wiki.opensourceecology.org/index.php?title=Steam_Engine_Build/Optional_Sensor_Vent&amp;diff=29953&amp;oldid=prev</id>
		<title>Andrew Buck: fixing template syntax</title>
		<link rel="alternate" type="text/html" href="https://wiki.opensourceecology.org/index.php?title=Steam_Engine_Build/Optional_Sensor_Vent&amp;diff=29953&amp;oldid=prev"/>
		<updated>2011-05-31T21:13:45Z</updated>

		<summary type="html">&lt;p&gt;fixing template syntax&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;
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				&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 21:13, 31 May 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=&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;{{Category=Steam Engine&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/del&gt;&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;{{Category=Steam Engine&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 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;[[Steam Engine Build Instructions]]&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;[[Steam Engine Build Instructions]]&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;br/&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;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Andrew Buck</name></author>
	</entry>
	<entry>
		<id>https://wiki.opensourceecology.org/index.php?title=Steam_Engine_Build/Optional_Sensor_Vent&amp;diff=29952&amp;oldid=prev</id>
		<title>Mjn: Created page with &quot;{{Category=Steam Engine]] Steam Engine Build Instructions  =Description=  In earlier versions of the steam engine design, the sensor port was located at the top of the cylind...&quot;</title>
		<link rel="alternate" type="text/html" href="https://wiki.opensourceecology.org/index.php?title=Steam_Engine_Build/Optional_Sensor_Vent&amp;diff=29952&amp;oldid=prev"/>
		<updated>2011-05-31T20:22:53Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;{{Category=Steam Engine]] &lt;a href=&quot;/wiki/Steam_Engine_Build_Instructions&quot; title=&quot;Steam Engine Build Instructions&quot;&gt;Steam Engine Build Instructions&lt;/a&gt;  =Description=  In earlier versions of the steam engine design, the sensor port was located at the top of the cylind...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{Category=Steam Engine]]&lt;br /&gt;
[[Steam Engine Build Instructions]]&lt;br /&gt;
&lt;br /&gt;
=Description=&lt;br /&gt;
&lt;br /&gt;
In earlier versions of the steam engine design, the sensor port was located at the top of the cylinder but in order to reach the cylinder clearance, it was necessary to drill a hole in the cylinder liner and then mill a channel in the cylinder case to bring it out to a place were clearance pressure could be accessed.  Inevitably, this would mean steam would leak between the liner and the case.&lt;br /&gt;
&lt;br /&gt;
In the new design, the sensor port is optional.  It is a hole drilled through the valve case an cylinder valve seat plate into the cylinder clearance space.  When used for measurements, a hollow nipple is threaded through these two plates.  When not used, the nipple is replaced with a bolt.&lt;br /&gt;
&lt;br /&gt;
=Drawing=&lt;br /&gt;
&lt;br /&gt;
=Instructions=&lt;br /&gt;
&lt;br /&gt;
[[Category:Steam Engine]]&lt;/div&gt;</summary>
		<author><name>Mjn</name></author>
	</entry>
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