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Inspecting Standing Rigging
"cavelamb" wrote Just a suspicion, but it seems to me that the problem here is a result of the swaging process itself. When the swage is squeezed, there should be uneven compression which would cause the material to yield unevenly - leading to rather high localized stress concentrations. In-service vibration, over time, should lead to exactly the kind of cracks described by GBM. FWIW, for highly stressed aircraft cables, the terminals (ends) are *Rolled* rather than squoze... Richard Could be, but experience shows that this type of failure does not occur in fresh water. The experts advise that it is the presence of chlorides in crevices with an oxygen deficient atmosphere and stress that cause the failure. The whole swage and the wire strands are stressed to various degrees. GBM |
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