3 3 Problem A: Analysis of light aircraft rudder udder of an aircraft is usually found at the tail and is responsible for allowing the pilot to control w about the vertical axis. Figure 2 shows a typical rear setup of a small aircraft, with the rudder red in gold. During maintenance, one way of mounting the rudder is to place one edge on a pivot, whilst attaching the other edge on the end of an operational cable. Figure 3 shows an ple of such a setup. Figure 1.1: (a) Small aircraft. (b) Rear end of small aircraft, highlighting rudder. Operational Cable y = Bx Aircraft Rudder

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Problem A: Analysis of light aircraft rudder
udder of an aircraft is usually found at the tail and is responsible for allowing the pilot to control
w about the vertical axis. Figure 2 shows a typical rear setup of a small aircraft, with the rudder
red in gold. During maintenance, one way of mounting the rudder is to place one edge on a
pivot, whilst attaching the other edge on the end of an operational cable. Figure 3 shows an
ple of such a setup.
Figure 1.1: (a) Small aircraft. (b) Rear end of small aircraft, highlighting rudder.
Operational Cable
y = Bx
D (m)
Fixed pivot (A)
(a)
C (m)
Figure 1.2: Rudder mounted in maintenance position.
Parameter
Red
Blue
5
10
2
3
7
6
3
4
4.583
2.8844
Group
Mass (kg)
A
B
C (m)
D (m)
Green
15
4
5
5
2.2361
Aircraft Rudder
Purple
20
5
4
6
1.882
Yellow Orange
25
30
6
7
3
2
7
8
1.661 1.486
Transcribed Image Text:Problem A: Analysis of light aircraft rudder udder of an aircraft is usually found at the tail and is responsible for allowing the pilot to control w about the vertical axis. Figure 2 shows a typical rear setup of a small aircraft, with the rudder red in gold. During maintenance, one way of mounting the rudder is to place one edge on a pivot, whilst attaching the other edge on the end of an operational cable. Figure 3 shows an ple of such a setup. Figure 1.1: (a) Small aircraft. (b) Rear end of small aircraft, highlighting rudder. Operational Cable y = Bx D (m) Fixed pivot (A) (a) C (m) Figure 1.2: Rudder mounted in maintenance position. Parameter Red Blue 5 10 2 3 7 6 3 4 4.583 2.8844 Group Mass (kg) A B C (m) D (m) Green 15 4 5 5 2.2361 Aircraft Rudder Purple 20 5 4 6 1.882 Yellow Orange 25 30 6 7 3 2 7 8 1.661 1.486
Leeds International Study Centre
Foundation Year Engineering, Science and Computing
In your report you must include:
(a) The free body diagram of the rudder.
(b) If the maximum permissible load that the steel operational cable can handle is 3kN, determine
whether it can handle the load of the rudder or not.
(c) Determine the resultant load on the fixed pivot (A) and the angle at which it acts.
(d) If the thickness of the rudder is included, describe which method you would use to find the
centre of gravity? How would this value differ from the calculation using a lamina modelling
assumption?
Transcribed Image Text:Leeds International Study Centre Foundation Year Engineering, Science and Computing In your report you must include: (a) The free body diagram of the rudder. (b) If the maximum permissible load that the steel operational cable can handle is 3kN, determine whether it can handle the load of the rudder or not. (c) Determine the resultant load on the fixed pivot (A) and the angle at which it acts. (d) If the thickness of the rudder is included, describe which method you would use to find the centre of gravity? How would this value differ from the calculation using a lamina modelling assumption?
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