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Old 8th March 2011 | 15:16
  #19 (permalink)  
Wizofoz
 
Joined: Jun 2001
Posts: 4,835
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From: Boldly going where no split infinitive has gone before..
Capt Bloggs and 411a,

Sorry, you are both incorrect.

Bloggs- think about the senerio above- the aircraft that has a STILL AIR Vx of 60 kts will climb MORE STEEPLY wrt the ground at 50 kts in a 50 kt headwind.

Vx is max excess thrust- IN STILL AIR.

reference:-

Performance of light aircraft - Google Books
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