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Old 7th August 2018 | 02:35
  #298 (permalink)  
Wizofoz
 
Joined: Jun 2001
Posts: 4,835
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From: Boldly going where no split infinitive has gone before..
Originally Posted by Vessbot
Do you think there's an error in the math? If so, what is it?
Do you apply that same criticism to scenario A? If not, why not? What's the difference?

Scenario A (Cessna)
final groundspeed minus initial groundspeed
(airspeed + tailwind) - (airspeed - headwind)
(100+10)-(100-10)
110-90
20
I don't dispute the math- I dispute you are making any pertinent point.
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