Thread: Formula For Climb Gradient
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Old 10-31-2014 | 11:54 AM
  #25  
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RI830
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Originally Posted by AF330
How do you calculate FT/NM?

Thanks
groundspeed / 60 = Z (nm per minute)

Climb rate / Z = Ft per NM
.................................................. ..

120kts / 60 = 2 nm per minute

2000 / 2 = 1000 ft per nm
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