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   sci.electronics.basics      Elementary questions about electronics      72,318 messages   

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   Message 70,968 of 72,318   
   Bret Cahill to All   
   Re: Retro Button Would Further Automatio   
   16 Mar 19 21:19:34   
   
   From: bretcahill@aol.com   
      
   > >> Put a retro or "my kingdom for a horse" switch on anything that   
   > >> seems unnecessarily over automated or when the additional   
   > >> sophistication is of a minor advantage.   
   > >>   
   > >> If anything doesn't seem perfect, tap the retro switch and you are   
   > >> back to flying by the seat of your pants or at least something that   
   > >> is less complicated / more proven technology.   
   > >>   
   >    
   > That's a typical engineer's solution. *Add* a switch to 'make   
   > things simpler'.   
      
   Actually the goal was to make 'em comfortable wif eben _more_ sophistication.   
      
   Boeing did put one over ride in the software.   
      
   "When this system detects a dangerous flight condition, it trims the aircraft,   
   attempting to prevent a stall by pushing the nose down. Trim is not a fancy,   
   new fangled technology: the Cessnas I fly have trim wheels, and autopilots   
   manipulate trim to fly    
   aircraft in an automated way. What is different here is: the MCAS commands the   
   trim in this condition without notifying the pilots AND to override the input,   
   the pilots must deactivate the system via a switch on a console, NOT by   
   retrimming the aircraft    
   via the yoke, which is a more common way to manage the airplane’s trim."   
      
   https://medium.com/@jpaulreed/the-737max-and-why-software-engine   
   rs-should-pay-attention-a041290994bd   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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