Work out 6: Takeoff and Clinching Performance
Sixth is v speeds
Simply no Wind/No Incline
Takeoff ground roll distance
Harmony Field Span (BFL)
three hundred, 000 lb
5, 500 ft
Number 9. nineteen
1 . Locate V1, V2, VR (see Figure on the lookout for. 19).
Temperature is standard. Reference Stand 2 . one particular Standard Temperatures at 5K ft is definitely 5 deg C. On the other hand, using the guideline of 2 deg C for each 1000 ft sea level gives all of us 15 degrees C; therefore , at 5000 ft the temperature is 10 degrees less or 5 degrees C. Pertaining to Density Arete Adjustment, make use of Column N.
Flaps-5 Weight 300K yields:
V1= 136 KIAS
A HUGE SELECTION OF = 148 KIAS
VR = 141 KIAS
installment payments on your For a new weight of 350, 000 lb and using Desk 7. two: Summary of Useful Takeoff Proportions in Modern Aircraft Transportation Performance, find the subsequent: a) Takeoff Ground Rotate with excess weight increased to 350, 500 lb.
X2 = X1 ( )2
X2 sama dengan 4000 (
)2 sama dengan 5444 feet
b) VR (assume Rotation Speed is solely an event of booth speed). Versus
VR2 = VR1 (
) ВЅ sama dengan 141(
)1/2 = 152 KIAS
several. For a new weight of 300, 000 lb and sea level Density Arete, and using Table 7. 2 in the Lewis textbook, find the Takeoff Earth Roll.
X2 sama dengan X1 ( )2
X2 = 4000 (
)2 = 2970 ft
This kind of document originated for on the web use in ASCI 310.
Data file name: Exercise_6_Solutions
4. For a new fat of pounds 300, 500, increased breeze to 20 kts of headwind, and Denseness Altitude of 5, 000 ft, find the Takeoff Ground Spin.
X2 sama dengan X1 (1 -
Assuming not any position errors and no compressibility errors (Slow Speed), we have to find Accurate airspeed first.
X2 = 4,000 (1 -
= 152 KTAS
five. How does an increase in Density Altitude affect V1, V2, VR, BFL? By
X2 = X1 (1 --
Tendency Statement you: Increase in Thickness Altitude increases V 1, V2, VR, and BFL. 6. How exactly does an increase in Weight affect...