4.6 Takeoff Performance
TAKEOFF DISTANCE
Conditions:
Flaps: 15° Runway: dry, compact, grass
Engine: full throttle Slope: 0° Wind: zero
Vr = 48 KIAS V
LO
= 49 KIAS
Vx flaps 15 = 56 KIAS
R/C ≥ 200 ft/min
Decrease distances by 10% for each 10 Knots of headwind. Increase distances by 20 % for each 10 Knots of tailwind
For dry and paved runway operation decrease ground run by 6 %.
⇒ Example:
Given Find
O.A.T. = 15°C TOD = 253m (830 ft)
Pressure altitude = 2900 ft
Weight = 450 Kg (990’)
TOR = 117m (383 ft)
Fig. 5-4 Takeoff performance
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