Difference between revisions of "User:LoCall/LILO-LOWI-Adrenaline"

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   It has been true for each one of us debuting and struggling with our plane,
 
   It has been true for each one of us debuting and struggling with our plane,
   the same it has been to design the LILO-LOWI-Adrenaline "parcours"<ref>[1]parcours              - french word for track, journey, route, course and even
+
   the same it has been to design the LILO-LOWI-Adrenaline "parcours"<ref>[parcours              - french word for track, journey, route, course and even
                               of a new urban sport.</ref> ...
+
                               of a new urban sport.]</ref> ...
 
   and the writing of this article just took several missed approaches !
 
   and the writing of this article just took several missed approaches !
 
    
 
    
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   explanation earn a strong point !
 
   explanation earn a strong point !
  
   '''Landing is not <big><big>continuing</big></big> to descend until the ground - it is a <big><big>controlled stall</big></big>.'''
+
   '''Landing is not <big><big>continuing</big></big> to descend until the ground - it is a <big><big>controlled stall</big></big>.'''<small><small><ref>[A friend of mine lost the sleep and got very sick with dark and red dots in the face, thinking going to stall... I suppose the most lever have already understood that we are talking about going "close" to stall point. Some even say fire-flying around the stall]</ref></small></small>
  
 
   My 1st reaction was : "...no... no ways !"
 
   My 1st reaction was : "...no... no ways !"
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   If the "remaining" energy is '''''still too much''''' :
 
   If the "remaining" energy is '''''still too much''''' :
 
   - or you have a crash and a belly landing ;
 
   - or you have a crash and a belly landing ;
   - or a "bump bump bump" and then probably a crash too.<ref>[2]Tortoise oscillations - Succession of quick oscillations where the plane will  
+
   - or a "bump bump bump" and then probably a crash too.<ref>[Tortoise oscillations - Succession of quick oscillations where the plane will  
 
                             become quickly impossible to control and almost ever
 
                             become quickly impossible to control and almost ever
                             resulting in a crash.</ref>
+
                             resulting in a crash.]</ref>
 
    
 
    
 
   [[File:Landing - Explanation - 6.png|361x264px|frameless|Landing - Explanation Help - 6]]
 
   [[File:Landing - Explanation - 6.png|361x264px|frameless|Landing - Explanation Help - 6]]
 
    
 
    
   If this happen, FIREWALL! and Go Around !<ref>[3]"Firewall! Firewall!  - Instruction/information given by one pilot to the other
+
   If this happen, FIREWALL! and Go Around !<ref>["Firewall! Firewall!  - Instruction/information given by one pilot to the other
 
                               where the thrust lever  is  beaten at the physical edge,
 
                               where the thrust lever  is  beaten at the physical edge,
 
                               resulting  in  engines delivering  the absolute maximum
 
                               resulting  in  engines delivering  the absolute maximum
Line 92: Line 92:
 
                               It is one step beyond then the  "unleash  the  beast" !
 
                               It is one step beyond then the  "unleash  the  beast" !
 
                               Engines must come back to normal thrust levels in order
 
                               Engines must come back to normal thrust levels in order
                               to avoid irreversible damages.</ref>
+
                               to avoid irreversible damages.]</ref>
 
   If you do not, and you survive, you are going  
 
   If you do not, and you survive, you are going  
 
   to be known the rest of your life as '''''Captain Kangourou'''''.
 
   to be known the rest of your life as '''''Captain Kangourou'''''.

Revision as of 07:42, 1 June 2020

LILO-LOWI-Adrenaline

LILO-LOWI-Adrenaline

Climb from "Corna" to "Liscidini"

Clock Around Santa Giustina Lake

3/4 Clock Around "Santa Giustina Lake"

  Intro - Where it all have started
  The beginning is always a delicate matter.
  
  It has been true for each one of us debuting and struggling with our plane,
  the same it has been to design the LILO-LOWI-Adrenaline "parcours"[1] ...
  and the writing of this article just took several missed approaches !
  
  We all have been at that point, is it not ?
  
  Landing ... We all did manage to bring the plane back on the ground ...
  
  Excursion at Paro (Buthan) Missed Taxiway
  
  But doing it in a way that leave us satisfied demand a bit more practice
  and knowledge too.
  Never give up!
  I did not give up and tried with patience many flying configurations, weather, 
  weight... The results was continuing average.
  
  My search for explanation led me to find an amazing explanation by a retired flight 
  instructor ! Crazy simple sketches and just a few words but very clear ! 
  
  Of course, any student aerospace engineer will surely study the same with way higher 
  detail. But pilots and engineers are different in this, and it is where Rob's
  explanation earn a strong point !
  Landing is not continuing to descend until the ground - it is a controlled stall.[2]
  My 1st reaction was : "...no... no ways !"
  
  But the doubt got quickly away !
  
  Figure out a little motorboat changing direction : 
  (view from top)
  
  Landing - Explanation - 1
  
  blue - the wished direction ;
  red  - the obtained track.
  
  · Ground : a car would obtain an almost immediate "turn".
  · Water  : water is  elastic, you "drift" to the "wished" track.
  · Air    : even more elastic, more drift for the wished track.
  (view from Side)
  
  Same rule,
  the plane do not "change  immediately  direction" 
  because of the ground.
  
  Landing - Explanation help - 2
  
  The plane accumulate energy during the descent. 
  When he touch the ground, 
  the not completely "used" descent energy 
  will tend to push the plane lower then the ground !
  
  Is it bad ?
  Well, that is why you have gear shock absorbers... but :
  
  Gear shock absorbers cannot absorb any infinite amount of energy, 
  they have limits.
  
  If the "remaining" energy is still too much :
  - or you have a crash and a belly landing ;
  - or a "bump bump bump" and then probably a crash too.[3]
  
  Landing - Explanation Help - 6
  
  If this happen, FIREWALL! and Go Around ![4]
  If you do not, and you survive, you are going 
  to be known the rest of your life as Captain Kangourou.
  
  Another crash will happen if you stall from too high.
  
  Landing - Explanation Help - 5
  
  Gear shock absorbers can not absorb this.
  The Proper way
  Rob was writing something like ... :
  ----------------------------------
  "This energy that in the air is your friend, 
  on the ground become your enemy".
  Leave this energy there, exhaust it !"
  
  Landing - Explanation Help - 3
  
  That is why we "round up", "we retard", "we flare". 
  Landing is never direct.
  
  When descent energy is "ended" then you become 
  able to land, brake, steer and control your plane...
  So, what is the "proper height" to stall ?
  "Any height that can be handled by the landing 
  gear shock absorber."
  "But, ideally, from 'Zero' feet above RWY."
  
  Landing - Explanation Help - 4   
  
  The butter landing !
  Conclusion
  Stall is at the "edge" of the "flying envelope", not in the middle of the safe average.
  
  That is why my landings was not so good. 
  Knowing the edge, the limits of our plane is crucial.
  
  And this led me to the idea of a place where we could try, discover and test our plane, going at the edge, to the limit.
  
  Very low level flight, at relatively high speed, we have tried, the Adrenaline is at the Rendez-vous !
  LILO-LOWI-Adrenaline was born ! 
  But why a challenge for small planes and not big planes or military planes ? 
  Does theses names from the real life are known to you  ? :
  
  Robert (Bob) Pearson, Tadeusz Wrona, Jerzy Szwarc, Chesley Sullenberger, 
  Jeffrey Skiles, Carlos Dardano and Dionisio Lopez.
  
  They should !
  
  These are all heroes where with their outstanding pilot skills they have saved
  lives !
  
  - "Gimli Glider, Captain Robert (Bob) Pearson, Air Canada flight 43, at Manitoba, 
     zero loss and minimal damage to the plane ; 
  - Captain Tadeusz Wrona (+officer Jerzy Szwarc) - belly landed the B767 with no
    injuries to anyone (LOT Polish Airlines Flight 16, Nov 2011) ;
  - Captain Chesley Sullenberger (+officer Jeffrey Skiles) accomplishing that 
    controversial but impossible landing on the Hudson river (US Airways Flight 
    1549);
  - Captain Carlos Dardano (+officer Dionisio Lopez) achieve a dead stick landing
    on the grass levee at Michoud (New Orleans) May 1988 (Taca flight 110) ;
  
  There are of course several more of them.
  
  But what all off them have in common, is the countless hours of flight in small
  plane with the habit to take their small plane at the edge !
  Rendez-vous at the Start !
START
  Have fun, 
  LoCall


Next page : LILO-LOWI-Adrenaline - Download >
  1. [parcours - french word for track, journey, route, course and even of a new urban sport.]
  2. [A friend of mine lost the sleep and got very sick with dark and red dots in the face, thinking going to stall... I suppose the most lever have already understood that we are talking about going "close" to stall point. Some even say fire-flying around the stall]
  3. [Tortoise oscillations - Succession of quick oscillations where the plane will become quickly impossible to control and almost ever resulting in a crash.]
  4. ["Firewall! Firewall! - Instruction/information given by one pilot to the other where the thrust lever is beaten at the physical edge, resulting in engines delivering the absolute maximum thrust power ! It is an extreme evasive maneuver that should only last a few seconds. (about 6 ~ 8 for most engines). It is one step beyond then the "unleash the beast" ! Engines must come back to normal thrust levels in order to avoid irreversible damages.]