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Module 8. Basic aerodynamics
To overcome ineffective control surface problems in the transonic region
•  an all moving tailplane may be used.
•  hydraulic powered elevators may be used.
•  Frise ailerons may be used.

max.steelame asking:
•  Please explain

Community comments: 0
Module 1. Mathematics
The conversion factor of litres to UK pints is
•  2.2.
•  1.76.
•  0.57.

yunjung asking:
•  Please write your question here.

Community comments: 0
Module 8. Basic aerodynamics
Upward and outward inclination of a mainplane is termed
•  dihedral.
•  sweep.
•  stagger.

Marcocom asking:
•  but dihedral is not only for the wings? mainplane is the airplane not the wings... please explain me.

Community comments: 1
Module 8. Basic aerodynamics
Tuck-under is caused by
•  tip stall on a straight wing aircraft.
•  tip stall on a swept wing aircraft.
•  root stall on a swept wing aircraft.

Marcocom asking:
•  what is tuck-under?

Community comments: 0
Module 8. Basic aerodynamics
An aircraft, which is longitudinally stable, will tend to return to level flight after a movement about which axis?
•  Pitch.
•  Roll.
•  Yaw.

stenea asking:
•  longitudinal axis = roll
lateral axis = pitch

Community comments: 4
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