how to solve? 1
airplane desceding a 12% slope while maintaining a GS of 540.
What is the rate of descend aprox? thanks |
D'oh, very simple, but forgotten how! Isnt it:
G/S(ft per min)*(Glide slope in degrees/60)=Rate of Descent I keep gettin 6201 ft/min ROD on a 6.8deg slope, which seems unusaully high... |
For the required rate of descent multiply the descent angle by the NM/minute times 100.
Taking your example... 540kt = 9NM/min 12° x 900 = 10800'/min. But... who would fly a 12° angle :confused: |
Wasnt it a 12% gradient and not 12 degree? a little steep!
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Space shuttle?
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Capt. Slow
Oh, sorry for that! You are absolutely right - it is gradient, not a slope...
In that case, to find the rate required, multiply the gradient by the GS (or rather TAS). 12% x 540 = 6480'/min. Regards |
So call it an even 6300' ;) Well your method seems a lot simpler than mine, might adopt that for the future...
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