In reply to Jed Rothwell's message of Fri, 30 Oct 2009 18:11:38 -0400: Hi, [snip] >[email protected] wrote: > >>If the drive works at all, then it works in any direction, not just >>when pointed >>down, hence jet engines are redundant (unless they also supply the >>power for the >>EM drive). > >I noticed this weird comment. > > >>Furthermore being able to compensate for gravity completely implies >>at least 1 g >>of acceleration, but 1 g will get you to the Moon in less than 4 hours . . . > >Don't you mean 2 g at first? 1 g close to earth is not quite enough >to counteract gravity. 1.01 will let you hover, I suppose, and >gradually ascend. > >Once you get well away from earth, 1 g suffices.
Indeed, however this is a minor point. The main thing is that a travel time of hours rather than days is more appropriate. (BTW minimum travel time to Mars at 1 g is 2 days.) Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/Project.html
