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Registered Member #162
Joined: Mon Feb 13 2006, 10:25AM
Location: United Kingdom
Posts: 3140
Karmaslap wrote ...
I'm much more excited for the Japanese satellite that will extend a cable much further into orbit in an attempt to create a satellite which will not expend fuel to keep its orbit.
satelites flying kites ... brilliant ! (but of course you have to put the energy into the 'kite' first, just replacing fuel/rocket with a winch/weight, or is there more to it ?) it does look a little like a cheese-slicer to other satelites though
presumably this e-m drive is nuclear powered, so why not just let some of the thermopile blackbody radiation radiate backwards ? e.g. a large radioactive sheet, 'thrust' side radiates into space, the other side radiates less as energy is extracted (thermopiles, heat-pipes, ion capture etc) from it for onboard electrical power requurements. surely more efficient ?
Registered Member #56
Joined: Thu Feb 09 2006, 05:02AM
Location: Southern Califorina, USA
Posts: 2445
Have there been any results published by the Chinese? So far all I have heard is that they 'plan to conduct a test', or have possibly have conducted a ground based test with positive (but otherwise unpublished) results.
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Is EmDrive actually just gibberish?
