Uploaded by PRITAM MITRA

FLIGHT CONTROL

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AEROPLANE MANEUVERING AND
CONTROL
[some basic concepts]
By
PRANIBESH MANDAL
Assistant Professor
Dept. of Mechanical
Engineering
Jadavpur University
HOW AIRPLANES FLY?
Lift
CL
Wing cross
section Aerofoil
ANGLE OF ATTACK
AIRPLANE MOVEMENT AND
CONTROL
AIRPLANE MOVEMENT AND
CONTROL
WORKING PRINCIPLE OF FLAPPERS
Angle of attack
(Normal)
Relative
Wind
Lift in normal
condition
Flapper straight
(Aerofoil in
Normal
Condition)
Effective Angle
of attack
increases
Relative
Wind
Flapper
Down
Lift increases
Effective Angle
of attack
decreases
Relative
Wind
Lift
decreases
Flapper Up
ELEVATOR AND PITCH
Relative
Wind
C.G.
Effective Angle
of attack
negative
Negative Lift
Flapper Up
AILERONS AND ROLL
Effective Angle
of attack
decreases
Relative
Wind
Lift
decreases
C.G.
Effective Angle
of attack
increases
Relative
Wind
Lift increases
RUDDER AND YAW
Effective
Angle of
attack
Relative
Wind
C.G.
Lift
THANK
YOU
FLIGHT STABILITY
erodynamic Centre: There exist a particular point on the chord line of an aero
bout which the moment is independent of the angle of attack. The same point is
he aerodynamic centre
HOW TO ACHIEVE STABILITY AND BALANCE????
CONTRIBUTION OF TAIL
CONTRIBUTION OF THE WING TO Mcg
CONTRIBUTION OF THE WING TO Mcg
CONTRIBUTION OF THE WING TO Mcg
For wing body combination
CONTRIBUTION OF THE TAIL TO Mcg
CONTRIBUTION OF THE TAIL TO Mcg
CONTRIBUTION OF THE TAIL TO Mcg
TOTAL PITCHING MOMENT ABOUT C.G.
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