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	<title>Comments on: Why Don&#8217;t We Build An Atoms-For-Peace Dirigible</title>
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	<link>http://blog.modernmechanix.com/2008/03/22/why-dont-we-build-an-atoms-for-peace-dirigible/</link>
	<description>Yesterday's tomorrow, today.</description>
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		<title>By: Eliyahu</title>
		<link>http://blog.modernmechanix.com/2008/03/22/why-dont-we-build-an-atoms-for-peace-dirigible/comment-page-1/#comment-1054954</link>
		<dc:creator>Eliyahu</dc:creator>
		<pubDate>Thu, 15 May 2008 17:33:10 +0000</pubDate>
		<guid isPermaLink="false">http://blog.modernmechanix.com/2008/03/14/why-dont-we-build-an-atoms-for-peace-dirigible/#comment-1054954</guid>
		<description>Substitute a large array of photoelectric cells for the reactor, and it might be feasible today. We sure can&#039;t afford to keep flying the large jet transports we now use...</description>
		<content:encoded><![CDATA[<p>Substitute a large array of photoelectric cells for the reactor, and it might be feasible today. We sure can&#8217;t afford to keep flying the large jet transports we now use&#8230;</p>
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		<title>By: Matt</title>
		<link>http://blog.modernmechanix.com/2008/03/22/why-dont-we-build-an-atoms-for-peace-dirigible/comment-page-1/#comment-1049958</link>
		<dc:creator>Matt</dc:creator>
		<pubDate>Sun, 23 Mar 2008 03:21:52 +0000</pubDate>
		<guid isPermaLink="false">http://blog.modernmechanix.com/2008/03/14/why-dont-we-build-an-atoms-for-peace-dirigible/#comment-1049958</guid>
		<description>The airship&#039;s maximum gross mass would be over 375 tons (based on the weight of the 12 million cubic feet of air it would displace). With a payload of 100 tons, that leaves 275 tons for reactor, structure, and helium.</description>
		<content:encoded><![CDATA[<p>The airship&#8217;s maximum gross mass would be over 375 tons (based on the weight of the 12 million cubic feet of air it would displace). With a payload of 100 tons, that leaves 275 tons for reactor, structure, and helium.</p>
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		<title>By: Charlie</title>
		<link>http://blog.modernmechanix.com/2008/03/22/why-dont-we-build-an-atoms-for-peace-dirigible/comment-page-1/#comment-1049922</link>
		<dc:creator>Charlie</dc:creator>
		<pubDate>Sat, 22 Mar 2008 20:58:44 +0000</pubDate>
		<guid isPermaLink="false">http://blog.modernmechanix.com/2008/03/14/why-dont-we-build-an-atoms-for-peace-dirigible/#comment-1049922</guid>
		<description>Jay: I&#039;m not sure I have that issue, but if I come across it I&#039;ll make sure to scan it.</description>
		<content:encoded><![CDATA[<p>Jay: I&#8217;m not sure I have that issue, but if I come across it I&#8217;ll make sure to scan it.</p>
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		<title>By: Eamon</title>
		<link>http://blog.modernmechanix.com/2008/03/22/why-dont-we-build-an-atoms-for-peace-dirigible/comment-page-1/#comment-1049915</link>
		<dc:creator>Eamon</dc:creator>
		<pubDate>Sat, 22 Mar 2008 20:21:26 +0000</pubDate>
		<guid isPermaLink="false">http://blog.modernmechanix.com/2008/03/14/why-dont-we-build-an-atoms-for-peace-dirigible/#comment-1049915</guid>
		<description>If you made the design into a hybrid airship with more modern materials then it would probably become more feasible for lifting the amount of weight described here. Also a pebble bed reactor would help to limit damage in a crash.</description>
		<content:encoded><![CDATA[<p>If you made the design into a hybrid airship with more modern materials then it would probably become more feasible for lifting the amount of weight described here. Also a pebble bed reactor would help to limit damage in a crash.</p>
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		<title>By: jayessell</title>
		<link>http://blog.modernmechanix.com/2008/03/22/why-dont-we-build-an-atoms-for-peace-dirigible/comment-page-1/#comment-1049892</link>
		<dc:creator>jayessell</dc:creator>
		<pubDate>Sat, 22 Mar 2008 18:42:04 +0000</pubDate>
		<guid isPermaLink="false">http://blog.modernmechanix.com/2008/03/14/why-dont-we-build-an-atoms-for-peace-dirigible/#comment-1049892</guid>
		<description>Charlie, can you post the microelectronics article from MI 1963 May?
The article predicted laptop PCs!

(Well... sort of.)</description>
		<content:encoded><![CDATA[<p>Charlie, can you post the microelectronics article from MI 1963 May?<br />
The article predicted laptop PCs!</p>
<p>(Well&#8230; sort of.)</p>
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		<title>By: Rick Auricchio</title>
		<link>http://blog.modernmechanix.com/2008/03/22/why-dont-we-build-an-atoms-for-peace-dirigible/comment-page-1/#comment-1049857</link>
		<dc:creator>Rick Auricchio</dc:creator>
		<pubDate>Sat, 22 Mar 2008 17:23:01 +0000</pubDate>
		<guid isPermaLink="false">http://blog.modernmechanix.com/2008/03/14/why-dont-we-build-an-atoms-for-peace-dirigible/#comment-1049857</guid>
		<description>I think its registration number should be NCC-1701.</description>
		<content:encoded><![CDATA[<p>I think its registration number should be NCC-1701.</p>
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		<title>By: Baron Waste</title>
		<link>http://blog.modernmechanix.com/2008/03/22/why-dont-we-build-an-atoms-for-peace-dirigible/comment-page-1/#comment-1049845</link>
		<dc:creator>Baron Waste</dc:creator>
		<pubDate>Sat, 22 Mar 2008 16:39:40 +0000</pubDate>
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		<description>Oh, that &lt;i&gt;would&lt;/i&gt; make for an interesting fictional treatment of this: The US Government goes ahead and builds an â€œAtoms For Peaceâ€ airship - but a nasty alliance of bottom-feeding trial lawyers and neo-Luddite Greens cause court orders to be issued preventing any nuclear fuels, materials or fissionables from being loaded aboard!  So the airship must sail using only &lt;i&gt;simulated&lt;/i&gt; nuclear power, colored lights and &#039;working models,&#039; &amp;c. in a drastically stripped-down airframe, and using smoky Diesel fuel for its hastily-installed outboard engines.

Needless to say, the entire project becomes a laughingstock, and after two dismal weeks the world tour is curtailed and the project discontinued.  The airship is broken up for scrapâ€¦

And no one dares to say why it all went wrong.</description>
		<content:encoded><![CDATA[<p>Oh, that <i>would</i> make for an interesting fictional treatment of this: The US Government goes ahead and builds an â€œAtoms For Peaceâ€ airship &#8211; but a nasty alliance of bottom-feeding trial lawyers and neo-Luddite Greens cause court orders to be issued preventing any nuclear fuels, materials or fissionables from being loaded aboard!  So the airship must sail using only <i>simulated</i> nuclear power, colored lights and &#8216;working models,&#8217; &amp;c. in a drastically stripped-down airframe, and using smoky Diesel fuel for its hastily-installed outboard engines.</p>
<p>Needless to say, the entire project becomes a laughingstock, and after two dismal weeks the world tour is curtailed and the project discontinued.  The airship is broken up for scrapâ€¦</p>
<p>And no one dares to say why it all went wrong.</p>
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		<title>By: Casandro</title>
		<link>http://blog.modernmechanix.com/2008/03/22/why-dont-we-build-an-atoms-for-peace-dirigible/comment-page-1/#comment-1049834</link>
		<dc:creator>Casandro</dc:creator>
		<pubDate>Sat, 22 Mar 2008 15:50:53 +0000</pubDate>
		<guid isPermaLink="false">http://blog.modernmechanix.com/2008/03/14/why-dont-we-build-an-atoms-for-peace-dirigible/#comment-1049834</guid>
		<description>Well I guess the main problem with that idea is what would happen if the ship would crash. You don&#039;t really want a reactor to crash.</description>
		<content:encoded><![CDATA[<p>Well I guess the main problem with that idea is what would happen if the ship would crash. You don&#8217;t really want a reactor to crash.</p>
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		<title>By: Baron Waste</title>
		<link>http://blog.modernmechanix.com/2008/03/22/why-dont-we-build-an-atoms-for-peace-dirigible/comment-page-1/#comment-1049831</link>
		<dc:creator>Baron Waste</dc:creator>
		<pubDate>Sat, 22 Mar 2008 15:42:39 +0000</pubDate>
		<guid isPermaLink="false">http://blog.modernmechanix.com/2008/03/14/why-dont-we-build-an-atoms-for-peace-dirigible/#comment-1049831</guid>
		<description>Ah.

I do most sincerely thank you.  This is one of those articles never forgotten once read.

It&#039;s odd, though:  F Tinsley completely flubbed one major element of this.  He posits a 1000-foot long airframe with, as he says, â€œ10 to 12 million feet of helium capacity and a 100-ton payloadâ€ - yet this spotlit aerial palace would weigh far more than a mere 100 tons.  To lift all the bric-a-brac he describes, the pontoons and the hangars and the giant radar dish and the helicopters and the exhibition hall and the nuclear reactor and the passenger quarters &amp;c., &amp;c., would require science-fiction stasis fields enclosing hard vacuum, to get the necessary atmospheric displacement!

Well, there ain&#039;t no stasis fields - but there is an atomic reactor.  And non-flammable gas in the gasbags. Why not make &lt;i&gt;a hot-air Zeppelin?&lt;/i&gt;  Charles&#039;s Law. you know: Heat the helium to a red-hot vacuum, and you&#039;ve got all the lift you need!  You can do that sort of thing, with atomic powerâ€¦</description>
		<content:encoded><![CDATA[<p>Ah.</p>
<p>I do most sincerely thank you.  This is one of those articles never forgotten once read.</p>
<p>It&#8217;s odd, though:  F Tinsley completely flubbed one major element of this.  He posits a 1000-foot long airframe with, as he says, â€œ10 to 12 million feet of helium capacity and a 100-ton payloadâ€ &#8211; yet this spotlit aerial palace would weigh far more than a mere 100 tons.  To lift all the bric-a-brac he describes, the pontoons and the hangars and the giant radar dish and the helicopters and the exhibition hall and the nuclear reactor and the passenger quarters &amp;c., &amp;c., would require science-fiction stasis fields enclosing hard vacuum, to get the necessary atmospheric displacement!</p>
<p>Well, there ain&#8217;t no stasis fields &#8211; but there is an atomic reactor.  And non-flammable gas in the gasbags. Why not make <i>a hot-air Zeppelin?</i>  Charles&#8217;s Law. you know: Heat the helium to a red-hot vacuum, and you&#8217;ve got all the lift you need!  You can do that sort of thing, with atomic powerâ€¦</p>
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