Australia Verifies Engine Debris Analysis Technology

Metal debris collected by sensors in helicopter main gearboxes. Left and center: benign fragments. Right: fragments from a bearing, indicating severe fatigue. The sample plates are 14 mm (0.55 in.) square. A Chipcheck laser, used to create vapor for composition analysis, has left spots on the fragments.
MELBOURNE, Australia—Australia’s defense technology agency has confirmed satisfactory performance of a system for avoiding cost and aircraft downtime caused by imprecisely identified metal flakes in engine and gearbox oil. A trial for the program has inadvertently transitioned into operational use...

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