If you have ever observed a propeller plane closely, you might have noticed the propeller is slightly angled to the right. The angled engine and propeller can seem jarring, considering symmetry is ...

A $13 million Air Force drone crashed in the Mediterranean Sea when its propeller “decoupled” from its engine, an Air Force report on the mishap concluded. But the report peels back a window on some ...

More than 100 of the Air Force's C-130 Hercules have stopped flying after the service discovered a crack in a part that holds the propeller and ordered the aircraft to be grounded last week, officials ...

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