The figure shows a simplified schematic of a front undercarriage.
front undercarriage. The
ABCD bar, which functions as a shock absorber, is
is anchored at E and F to the fuselage via the hinged rods CE, BE and BF.
CE, BE and BF.
The end A of the rod can be slid vertically as shown in the figure below.
vertically, as indicated in the figure, with
a maximum clearance of D. The following is required:
- Structural design diagram of the assembly.
- Stresses in members CE, EB and BF.
- Reactions in the fuselage.
- Dimension by tension the members CE, EB and BF and
determine the maximum allowable travel D so that
never to be traversed by the end A.
The bar ABCD is considered to be inextensible.
The total reaction of the runway on the wheel axle
is R.
Assume the required data.

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