PPRuNe Forums - View Single Post - Hughes 300 "beheaded" in Brazil - ground resonance?
Old 14th Jan 2011, 18:15
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rotornut
 
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Could the mast bearing have seized? Then the driveshaft would have fractured and most likely broken through the M/R mast. Meanwhile the blades would have abruptly stopped and flapped down ito the cabin.
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