Questions and CORRECT Answers
What is the liftoff speed? - CORRECT ANSWER - 1.2Vso
Forces at liftoff and landing? (They are the same) - CORRECT ANSWER - Thrust, drag,
friction
What types of drag at liftoff? - CORRECT ANSWER - Parasite initially, induced and
parasite at liftoff
What is friction? - CORRECT ANSWER - Rolling resistance
Forces acting due to the runway? - CORRECT ANSWER - Surface, weight, lift
Factors in takeoffs? - CORRECT ANSWER - Density, temperature, pressure, moisture
For low pressure is there low or high density? - CORRECT ANSWER - Low
Airplane starts takeoff roll with velocity equal to _______________? - CORRECT
ANSWER - Headwind Component
How does weight factor in with an upsloping runway? - CORRECT ANSWER - Weight
component becomes retarding force
How does weight factor in with an downsloping runway? - CORRECT ANSWER - Weight
becomes accelerating force
, 2 methods to climb performance? - CORRECT ANSWER - Zoom climb- trade kinetic for
potential
Excess thrust- sustained climb
Cruise climb is good for what? - CORRECT ANSWER - Engine cooling, high forward
speed
Max level cruise speed factors? - CORRECT ANSWER - Altitude, weight, configuration
What is endurance? - CORRECT ANSWER - Total time an airplane stays in the air on a
tank of fuel
There will be 12 forces of tail down force in cruise. List them. - CORRECT ANSWER -
Lift weight coupling
Thrust line
Drag
Wing pitching moment
Fuselage
Inertia
How would we find the best endurance. - CORRECT ANSWER - -minimize fuel
-min power required to maintain 76
What would endurance give us? - CORRECT ANSWER - Best L/D!
What is range? - CORRECT ANSWER - Total distance traveled by airplane on a tank of
fuel
What will max range give us? - CORRECT ANSWER - -max L/D