PL080 - Principles of Flight PPL(A)
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Horizontal stabilizer is primarily responsible for following stability:
Dynamic lateral stability concerns:
Longitudinal dynamic stability concerns:
Dutch roll concerns:
Static directional stability concerns:
Static longitudinal stability concerns:
Static Lateral Stability of concerns:
The ratio of the distance traveled in that time is:
The ratio of the surface of the wing span is:
Change of the velocity at time t to time t is:
Maximum Thickness:
The Mean Camber Line:
The average angular acceleration in a rotating movement is:
The aerodynamic center is the point:
The aerodynamic center wiith the increase of angle of attack:
Center of Pressure (CP) is a point:
Change suppression of flight parameters has an affect:
Buffeting of the tail surfaces is otherwise known as:
The negative slant of wing causes:
Tail of the direction designed to rotate the airframe towards:
Tail height designed to rotate the airframe towards:
To eliminate of the aileron torque resistance as principle we use:
In everyday life we meet the state of stability:
In which conditions, the density altitude is equal to the standard altitude accordirng to ISA ?
In what proportion to the air density are depends aerodynamic forces on the aerofoil?
In Which group that is device, which doesn't serve to reduce of the forces that the pilot to must execute on the control column?
In normal flying conditions the controls forces are:
In The profiles of normal, arcuate line-shaped frame, with an increase in angle of attack aerodynamic resultant force:
In static profiles, with increased angle of attack aerodynamic resultant force:
In the symmetric profiles for the angle of attack alpha = 0 °:
In the profiles of symmetric, with an increase in angle of attack aerodynamic resultant force:
In the conventional solution, vertical tail Ionsists of:
In the conventional solution the height tail consists of:
The coordinate system describing the movement of the aircraft during flight axis OX? Is called:
The coordinate system describing the movement of the aircraft during flight axis OY? Is called:
The coordinate system describing the movement of the aircraft during flight axis OZ? Is called:
In the flight, the pilot set tilts a joystick to the right. Assuming that the aileron deflects by the same angle, following statement will be true:
In a result of aileron going up and down by the same angle will be:
Using of winglets on tips of wings decrease drag:
A boundary layer of an aerofoil is a layer in which:
