XPost: sci.electronics.design, sci.physics, sci.space.policy   
      
   In sci.physics Rick Jones  wrote:   
   > In sci.space.policy jimp@specsol.spam.sux.com wrote:   
   >> How about the engine on fixed wing aircraft provides thrust to   
   >> overcome total drag to accelerate the aircraft to an airspeed   
   >> sufficient to provide enough lift from the wings to overcome the   
   >> force of gravity?   
   >   
   > Where would you put the Harrier in that definition?  Doesn't it have   
   > the ability (albeit rather lightly loaded) to take-off vertically on   
   > thrust from the engine alone?   
   >   
   > rick jones   
      
   Yeah, it does, so now let's bring up all the other niche aircraft of   
   which there are very few starting with ornithopters.   
      
      
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