PPRuNe Forums - View Single Post - Retracting Flaps On Touchdown
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Old 11th Jul 2011, 20:47
  #64 (permalink)  
Teddy Robinson
 
Join Date: May 2004
Location: Bear Island
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Sorry to be pedantic ... but.

Trex, first question has to be why was the flap lowered in the first place ?

Second, the object is to have 3 conditions satisfied by 300 aal, cleared to land, runway clear, and aircraft on speed/profile or it's go-around time.

Third, to follow the logic through, then every landing would be from a glide approach, otherwise any loss of power will result in an undershoot.

to follow that logic further, everything is fine until one changes aircraft type, when "habits" rather than training can catch one out. Try this example on the Pa 38 thats been mentioned here ....

"oh I have too much flap" just before base to final turn ... so you retract to flap zero, aircraft accelerates, off comes the power, add an overbank to try and hold the centreline, oops now I'm too low ... raise nose, add power stall warner ... goodnight Vienna.

( I would suggest trying it at a safe atitude first btw)

Last edited by Teddy Robinson; 11th Jul 2011 at 20:54. Reason: in case someone is silly enough to try this in the circuit)
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