XPost: sci.electronics.design, sci.physics, sci.space.policy   
   From: rick.jones2@hpe.com   
      
   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   
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