The image below is for classic fatigue failure. You can see the beach marks forming increasingly larger arcs around an initiating point.
Doug L.
--Previous Message--
: OK it was a good run-in unit then, for
: whatever that's worth at this point.
: It sounds like the spyder gear shaft is
: a player here at a certain point, and
: it would explain the catastrophic
: failure of the carrier.
: You can tell a lot by looking closely
: at the fatigued ends of the broken
: bits, and any burnishing on fatigued
: surfaces suggests an existing crack.
: Glen
:
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