From: jbates31@tiscali.co.uk   
      
   "Eeyore"  wrote in message   
   news:47925E1D.E2CFDE20@hotmail.com...   
   >   
   >   
   > john bates wrote:   
   >   
   >> "Eeyore"  wrote   
   >> > john bates wrote:   
   >> >   
   >> >>  without total electrics e,g, no power for servos   
   >> >> is there some form of mechanical links to control surfaces?   
   >> >   
   >> > Most airliners' flying surfaces are controlled *hydraulically* not   
   >> > electrically, so it simply doesn't matter if you lose the Volts and   
   >> > Amps   
   >> > in that respect.   
   >> >   
   >> > The A380 is different.   
   >> >   
   >> > Graham   
   >>   
   >> *** I already replied to this and to another but my server didn't   
   >> put them up, just wanted to thank you for the info.   
   >   
   > You're welcome.   
   >   
   > This a genuinely ODD accident. BOTH engines simultaneously failing to   
   > repond   
   > to a call for power is essentially UNHEARD of. Could it be the electronics   
   > (the engines are digitally controlled - there's no throttle cable) ? Sure   
   > it   
   > could but for that to happen means that there's some single point failure   
   > mechanism that affects both and that's supposed not to exist.   
   >   
   > However  previous examples of SINGLE engines failing to respond (due to a   
   > software bug) DO exist.   
      
   *** I've heard of fly by wire but don't know much about it - What bugs me is   
   that if it were just engine failure, that must mean that controls were not   
   affected.   
   The fact that some experienced people all mentioned the nose high attitude   
   before a stall (Which was the case due to the very short distance it   
   travelled on the grass) why did it do this if under perfect control? This to   
   me implies that it was not just the engines.   
      
   Very strange - best do as someone suggested, wait till after the inquiry is   
   finished.   
   However it is  very interesting to discus it all. And will they tell us the   
   truth then.   
      
   Boeing, the finest plane maker ever (Even though they did get all the   
   results of Comet crashes from Farnborough to perfect their first 707)   
   would not like the idea of a catastrophic unknown failure, much better   
   an heroic pilot saving the day.   
   John.   
      
      
      
      
      
   > http://www.airweb.faa.gov/Regulatory_and_Guidance_Library/rgAD   
   nsf/07577b0b9213888985256930005117ca/0dd44fe2beb1f516862571f9006   
   5dad!OpenDocument   
   >   
   > Fuel contamination causing this seems like an long-shot outside   
   > possibility.   
   >   
   > Graham   
   >   
      
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