Find the total fuel flow

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Reference no: EM13732823

Given Aircraft Conditions:

Gross Weight for Cruise = 300,000 lbs

Wing Area = 3050 ft2

Wing Span = 156 ft

Wing Efficiency = .80

CDp = 0.0119

Twin turbofan engine Aircraft

Thrust @ sea level = 50,000 lb/per engine

Temp-Standard

1627_Does the Thrust Available exceed.png

1527_Does the Thrust Available exceed2.png

2301_Does the Thrust Available exceed3.png

906_Does the Thrust Available exceed4.png

1959_Does the Thrust Available exceed5.png

1. Using Figure 6.5, find Thrust Available at 100 % RPM Max Endurance Airspeed at FL350 (Both Engines). Does the Thrust Available exceed the thrust required from Exercise 3?

2. Using Figure 6.5 (Equation 6.2), find the Total Fuel Flow to maintain Max endurance speed in Level flight at FL350?

3. What would the % thrust and % N1 setting be at Max Endurance Speed, FL350? Assume Thrust available from Problem 1,Thrust Required from Exercise 3, andin Equation 6.4 use 5.0 for x for turbofan engines.

4. Using Figure 6.5, if you lost one engine, would you be able to maintain level flight at Max Endurance Airspeed at FL250?

5. How would the Altitude (FL350 as compared to FL250) affect the Induced and Parasite drag on the aircraft at constant true airspeed?

Reference no: EM13732823

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