XPost: rec.aviation.piloting, alt.usenet.kooks   
   From: BtB@BB.not.aaaaaaa   
      
   "Morgans"  wrote in   
   news:agmll.163$xK6.132@newsfe12.iad:   
      
   >   
   > "Robert11"  wrote in message   
   > news:gn4pjn$vra$1@reader.motzarella.org...   
   >> Hello,   
   >>   
   >> I guess de-icing is going to be a popular subject.   
   >>   
   >> Question, please:  On commercial jet airliners like, e.g., a 767 or   
   >> 757, is there any in-flight deicing system for the wing and tail   
   >> surfaces, other than a leading edge pneumatic boot ?   
   >>   
   >> What about the "main," large upper surfaces ?   
   >>   
   >> How in general is wing de-icing accomplished on these new, modern   
   >> jets ?   
   >>   
   > Hot bypass air from the engines is what they use, in general.  I have   
   > to admit I do not know it the 787 is going to go truly all electric,   
   > or still use hot engine air to heat the wings.   
   >   
   > Once you get up to airliners of a larger size, the use of boots is not   
   > common.  In smaller turbine commuters, and in piston planes,   
   > (especially pistons) there is not enough heat produced to heat wings.   
      
      
   yes, there is. there have been many pistons with hot wings, fjukkwit.   
      
      
   Bertie   
      
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