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 Space / 40792
    Re: NASA IS GOING BACK BABY —Brian Davis
   (...) The problem is rockets use reaction mass, and need to carry it along, so the rocket equation enters into everything you do. And honestly a rocket is not a very good way to use the energy: you have to launch at high speed (rocket equation (...) (17 years ago, 6-Feb-07, to lugnet.space)
   
        Re: NASA IS GOING BACK BABY —Mike Petrucelli
   (...) On the other hand "Space Ship One" already surpassed NASA in efficiency with the use of a "carrier plane" to get a much higher start. Building a plane specifically designed for high altitude super sonic launching of "rocket ships" is one easy (...) (17 years ago, 7-Feb-07, to lugnet.space)
   
        Re: NASA IS GOING BACK BABY —Brian Davis
   (...) Yep, but it came no where *near* orbital velocity - about a factor of 30 to low in energy. I agree, it's a nice mechanism to get away from the atmosphere problem, but so do balloons (for a far lower cost, actually). no offense to Space Ship (...) (17 years ago, 8-Feb-07, to lugnet.space)
 

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