Like Friedwart Winterberg's Supermarx concept? http://nextbigfuture.com/2008/12/micro-fusion-for-space-propulsion-and.html
I really like the concept, but there is still no way that it can achieve the power to weight required to give 1g at 7.5e6m/s Isp. Heat loads and driver power requirements are simply too high. On 6 June 2012 23:22, <[email protected]> wrote: > In reply to Robert Lynn's message of Wed, 6 Jun 2012 22:49:45 +0100: > Hi, > [snip] > > That is a luxury you do not have > >with fusion in an ultra-high Isp engine. > > It is also a luxury you don't need. > > The trick is to perform the reaction in space itself. > > Regards, > > Robin van Spaandonk > > http://rvanspaa.freehostia.com/project.html > >
