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Old 19th Aug 2000, 01:10
  #27 (permalink)  
Posts: n/a

Differences in operating & performance techniques are significant I think.

Jet types aren't necessarily anywhere near Vx or Vy when they're at V2. They can be some way behind the drag curve. In this case a speed increase can improve performance.

Light A/c though are usually at or near max performance speeds very shortly after take-off.