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   sci.space.policy      Discussions about space policy      106,651 messages   

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   Message 105,834 of 106,651   
   Doctor Who to alain245@videotron.ca   
   Re: First reply PNN attempt   
   15 Aug 22 19:26:28   
   
   From: doc@tardis.org   
      
   On Mon, 15 Aug 2022 12:51:22 -0400, Alain Fournier   
    wrote:   
      
   >On Aug/15/2022 at 11:46, Doctor Who wrote :   
   >> On Mon, 15 Aug 2022 17:43:40 +0300, om@iki.fi (Otto J. Makela) wrote:   
   >>   
   >>> Doctor Who  wrote:   
   >>>   
   >>>> On Fri, 12 Aug 2022 16:27:42 +0300, om@iki.fi (Otto J. Makela) wrote:   
   >>>>> Doctor Who  wrote:   
   >>>>>> wrong again,   
   >>>>>> no thermal effect can grow thrust in time at parity of power.   
   >>>>>   
   >>>>> You already said that, but unfortunately I don't quite understand what   
   >>>>> you mean by that. The issue probably stems from the fact that neither of   
   >>>>> us is a native English speaker. Can you please try to expand on this?   
   >>>>   
   >>>> acceleration increases in time with the same power output.   
   >>>   
   >>> This is exactly what one would expect of a thermal effect: the "thrust"   
   >>> increases as the device gets warmer, and then once power is switched off   
   >>> starts slowly falling as the device cools down.   
   >>>   
   >>> What I would expect of a non-thermal thrust effect is that it starts   
   >>> (at least nearly) immediately as power is applied and also dies down   
   >>> almost immediately when power is switched off.   
   >>>   
   >>> If this is a thermal effect, at some device temperature there should   
   >>> come a saturation of "thrust" produced, but this point may be beyond   
   >>> what you can safely test without damaging your electronics.   
   >>>   
   >>> One test that might yield us some interesting data points is to plot how   
   >>> well the device temperature correlates with the "thrust" produced.   
   >>> Contactless infrared thermometers exist.   
   >>   
   >> do the experiment!   
   >   
   >Why would he, or anyone of us, spend time, effort and money for that? We   
   >don't care all that much about your gizmo. We think that you are wasting   
   >your time on it. But that's not a problem for us, if you want to waste   
   >your time, that's OK. Just don't expect us to waste too much time on it.   
   >   
   >   
   >Alain Fournier   
      
   good bye   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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