(g.r.i.n.)
Glen
--Previous Message--
: Agreed. Look for "beach marks"
: on the components, particularly the
: broken edgeds of the pin and casting.
: The presence of beach marks is an
: indicator of a fatigue failure. The
: marks can originate from a flaw/feature
: or the site of previous damage.
:
: 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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