flight mechanics
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R07
Code No: 07A62101
Set No. 2
III B.Tech II Semester Examinations,December 2010
FLIGHT MECHANICS - II
Aeronautical Engineering
Time: 3 hours
Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. Explain the phenomenon of releasing the elevator and its effect on longitudinal stability of an airplane.
[16]
2. (a) Explain the term mechanical gearing in the case of directional stability
(b) Derive the expression for the rate of change of pedal force with yaw angle in terms of Rudder power.
[6+10]
D
L
3. Write a typical Transfer Function for an aircraft and explain. How is it useful in explaining the behaviour of the aircraft for a disturbance?
[16]
R
O
4. (a) Write short notes on
i. Elevons ii. Differential ailerons iii. Frise ailerons.
W
U
(b) Explain different modes of making the airplane depart from a stable condition and then return to the cruise condition. Make use of sketches and plots.
[8+8]
T
N
J
5. (a) Explain the significance of the elevator float angle.
(b) Explain the origin of the longitudinal stick force.
[8+8]
6. (a) Describe three dynamic modes of lateral motion of an aircraft. Explain them in detail.
(b) Explain the orientation and position of an airplane in terms of a fixed frame of reference. Illustrate with sketch.
[8+8]
7. Compute the gradient of elevator angle per g at constant air speed (dδe /dn)T urns in terms of speed of the aircraft, assuming 10 % increase in tail damping requirement.
[16]
8. For an unaccelerated flight, derive an expression for the stick-force required to trim an aircraft at a speed of V.
[16]
1
www.jntuworld.com
www.jntuworld.com
R07
Code No: 07A62101
Set No. 4
III B.Tech II Semester Examinations,December 2010
FLIGHT MECHANICS - II
Aeronautical Engineering
Time: 3 hours
Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. The aerodynamic forces and
R07
Code No: 07A62101
Set No. 2
III B.Tech II Semester Examinations,December 2010
FLIGHT MECHANICS - II
Aeronautical Engineering
Time: 3 hours
Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. Explain the phenomenon of releasing the elevator and its effect on longitudinal stability of an airplane.
[16]
2. (a) Explain the term mechanical gearing in the case of directional stability
(b) Derive the expression for the rate of change of pedal force with yaw angle in terms of Rudder power.
[6+10]
D
L
3. Write a typical Transfer Function for an aircraft and explain. How is it useful in explaining the behaviour of the aircraft for a disturbance?
[16]
R
O
4. (a) Write short notes on
i. Elevons ii. Differential ailerons iii. Frise ailerons.
W
U
(b) Explain different modes of making the airplane depart from a stable condition and then return to the cruise condition. Make use of sketches and plots.
[8+8]
T
N
J
5. (a) Explain the significance of the elevator float angle.
(b) Explain the origin of the longitudinal stick force.
[8+8]
6. (a) Describe three dynamic modes of lateral motion of an aircraft. Explain them in detail.
(b) Explain the orientation and position of an airplane in terms of a fixed frame of reference. Illustrate with sketch.
[8+8]
7. Compute the gradient of elevator angle per g at constant air speed (dδe /dn)T urns in terms of speed of the aircraft, assuming 10 % increase in tail damping requirement.
[16]
8. For an unaccelerated flight, derive an expression for the stick-force required to trim an aircraft at a speed of V.
[16]
1
www.jntuworld.com
www.jntuworld.com
R07
Code No: 07A62101
Set No. 4
III B.Tech II Semester Examinations,December 2010
FLIGHT MECHANICS - II
Aeronautical Engineering
Time: 3 hours
Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. The aerodynamic forces and