On Dec 24, 2007 8:37 PM, John K Clark <<a href="mailto:jonkc@att.net">jonkc@att.net</a>> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Idea for a science fiction novel: A huge nickel iron asteroid is heading for<br>Earth, it would take a 200,000 megaton bomb to divert it but no existing<br>rocket is nearly powerful enough to deliver such a huge payload to the
<br>asteroid. The Earth seems doomed, then our hero remembers Project Orion<br>from the 1950's.<br><br>It would certainly make a spectacular movie, the launch of an Orion type<br>spacecraft would be amazing sight, it would make a Saturn 5 look like a
<br>bottle rocket.<br></blockquote></div><br>I proposed it a number of times, but it did not get anybody's attention. :-)<br><br>And, yes, it could well bring some 8,000 tons (not 10,000 Kg) of payload at escape velocity, with a single nice stage.
<br><br>See <a href="http://en.wikipedia.org/wiki/Project_Orion_%28nuclear_propulsion%29">http://en.wikipedia.org/wiki/Project_Orion_%28nuclear_propulsion%29</a>.<br><br>And you would not need any exploding head, inertia would be sufficient to do its work.
<br><br>Stefano Vaj<br><br><br>