User:LoCall/LILO-LOWI-AdrenalineShorterTry: Difference between revisions

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   The beginning is always a delicate matter.
   The beginning is always a delicate matter.
   It often does take several restarts and new approaches.
   It often does take several restarts and new approaches.
 
   This has been true for this writing...
   This has been true for this writing...
    
    
   It has been true for the creation of the LILO-LOWI-Adrenaline "parcours" ...
   It has been true for the creation of the LILO-LOWI-Adrenaline "parcours" ...
 
   and it is a stressing truth for all the pilots debuting and struggling with their plane.
   and it is a painful truth for all the pilots debuting and struggling with their plane.
    
    
   We all have been at that very start point, is it not ?
   We all have been at that very start point, is it not ?
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   - "...oh, it is just a simulator... With a bit of training, we should get there..."
   - "...oh, it is just a simulator... With a bit of training, we should get there..."
    
    
   But despite my best will and patience it was not "getting there" at all !
   But despite my best will and patience it was not "getting there" !
 
  Several users fro, Flightgear Community come spontaneously to help with Suggestions,
  advises and demonstrations. I have review my techniques and improve my skills. So I
  can only thank them for the care and time spent on me.
    
    
   But I was still not understand the why...
  Several users from, Flightgear Community come spontaneously to help with advises
  and demonstrations. I have review my techniques and improved my skills. So I can
  only thank them for the care and time spent on me.
     
   But I was still needing to understand the why...


   '''Never give up!'''
   '''Never give up!'''
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   I did not give up.
   I did not give up.
    
    
   Modifying flying configuration, weather, weight and retrying, new questions and new
   Modifying flying configurations, weather, weight, retrying, questions and new  
   internet searches led me to an amazing explanation by a retired flight instructor !
   searches led me to find an amazing explanation by a retired flight instructor !
    
    
   With crazy simple sketches and just a few clear words, all was there !
   Crazy simple sketches and just a few words but very clear !  
    
    
   Any aerospace engineer student will surely study this with great detail and numbers.
   Any aerospace engineer student will surely study the same with a greater detail.
 
   But pilots and engineers are different and it this is where Rob explanation earn  
   But pilots and engineers are different and it this is where Rob explanation earn a
   a big point.
   a big point.
    
    
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   But the doubt got quickly away !
   But the doubt got quickly away !
    
    
   Figure out a little motorboat changing direction : (top view)
   Figure out a little motorboat changing direction :  
  (top view)
    
    
   [[File:Landing - Explanation - 1.png|361x264px|frameless|Landing - Explanation - 1]]
   [[File:Landing - Explanation - 1.png|361x264px|frameless|Landing - Explanation - 1]]
    
    
   1. little motorboat - with no steering  - the '''''obtained''''' track is the '''''wished''''' track.
   blue - the '''''wished''''' direction ;
  red  - the '''''obtained''''' track.
    
    
   2. little motorboat - steering to babord - blue : the '''''wished''''' track
   Water is more elastic then ground, you "drift" to the "whised" track.
                                              red  : the '''''obtained''''' track
   The Air is a fluid but just way more elastic than the water.
 
                                              Water is more elastic then ground and thus
                                              reactions take longer to sort out effect.
 
                                              This '''''longer''''' let you feel you are drifted
                                              a bit away from the '''''wished''''' track.
    
  3. Plane            - steering to babord - blue : '''''wished''''' track
                                              red  : '''''obtained''''' track
 
                                              Really it is like the motorboat.
                                              In the Air the reactions just take longer.


 
   (Side view)
   From side view :
    
    
   The plane is still in the air and the logic still the same.
   Same thing,  the plane do not '''''"change  immediately  direction"''''' because of
   The reactions are not sorting effect immediately.
   the ground.
    
    
   [[File:Landing - Explanation - 2.png|361x264px|frameless|Landing - Explanation help - 2]]
   [[File:Landing - Explanation - 2.png|361x264px|frameless|Landing - Explanation help - 2]]
    
    
   During the descent, the plane accumulate energy. At the moment when it get in touch
   The plane accumulate energy during the descent.  
   with the ground, this energy will tend to push the plane lower then the ground !
   When he touch the ground, this energy tend to go lower then the ground !
 
  The shock absorber of the landing gear will try to help absorbing this energy.
    
    
   But what will happen if the descending energy if greater then what shock absorber  
  Gear shock absorbers will try to absorbing this '''''excess''''' of energy.
  can absorb and release ?
   But, what if this energy is stronger then the gear shock absorber ?
    
    
   [[File:Landing - Explanation - 6.png|361x264px|frameless|Landing - Explanation Help - 6]]
   [[File:Landing - Explanation - 6.png|361x264px|frameless|Landing - Explanation Help - 6]]
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