Static Strength Analysis of Bomb Rack Release Mechanism Structures of Mi-35P Helicopter
Keywords:
Mi-35P helicopter, bomb release mechanism, margin of safetyAbstract
The bomb rack release mechanism of the Mi-35P helicopter is a critical structural subsystem that must withstand static loads from the bomb rack or launcher while ensuring a safe and reliable store release. This study investigated the static strength of selected components of the Mi-35P bomb rack release mechanism using CATIA V5 generative structural analysis. The mechanism was modeled using steel F1260-T110/LN668 with a yield strength of 902.52 MPa and an ultimate tensile strength of 1304.73 MPa. A static load of 2500 N was applied to each hook to represent the total launcher load of 5000 N. Von Mises stress analysis was carried out for three main components: the long linkage, short linkage, and hook. The results showed maximum stresses of 1150 MPa, 569 MPa, and 56 MPa, with corresponding margins of safety of 0.134, 2.293, and 22.298. Although all components satisfied the positive margin of safety requirement, the long linkage was identified as the most critical part, indicating that geometric refinement or local reinforcement should be considered in future design improvements.
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