XPost: sci.physics, sci.space.policy, sci.electronics.design   
   From: krw@nowhere.com   
      
   On Wed, 2 Nov 2016 02:54:54 -0000, jimp@specsol.spam.sux.com wrote:   
      
   >In sci.physics krw  wrote:   
   >> On Wed, 2 Nov 2016 00:00:54 -0000, jimp@specsol.spam.sux.com wrote:   
   >>   
   >>>In sci.physics John Larkin  wrote:   
   >>>> On Tue, 1 Nov 2016 18:19:02 -0000, jimp@specsol.spam.sux.com wrote:   
   >>>   
   >>>   
   >>>   
   >>>>>BTW, the lack of commercial success for flying cars has nothing to do   
   >>>>>with propulsion methods.   
   >>>>>   
   >>>>   
   >>>> But propulsion does matter, in the sense that there is no affordable   
   >>>> way to make a flying car. Helicopters get terrible gas mileage.   
   >>>   
   >>>You do know helicopters spend a fair amount of time not traveling, don't   
   >>>you, but that has nothing to do with flying cars.   
   >>   
   >> Cars spend a fair amount of time not driving, too.  So?   
   >   
   >Not at close to full output power.   
      
   Helicopters don't have a throttle or an "off" button?   
      
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