Tail unit

Question 1

function of tail unit is:

Answer 1

• longitudinal and directional stability
• longitudinal control.

might be used as fuel tank also

Question 2

Shapes of tail unit

Answer 2

Conventional
V shape
T shape
H shape

Question 3

Tail plane/horizontal stabilizers

Answer 3

generate upward & downward forces for
longitudunal stability

Question 4

fin/vertical stabilizer

Answer 4

generate sideways forces forces

Question 5

rudder

Answer 5

for directional control

Question 6

elevators/moving tail planes

Answer 6

longitudunal control

Question 7

what kind of stresses do the tail planes & fins experience?

Answer 7

bending
torsional

Question 8

what components are the y made off

Answer 8

spars
ribs
stringers
skin

Question 9

what materials can be used?

Answer 9

aluminium alloy
honeycomb

high density expanding foam used for control surfaces to provide great stiffness at lower weight