| 21. | A broken propeller blade had caused a severe imbalance tearing the engine off its mounting.
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| 22. | Louw was flung from his boat and mauled by the propeller blade of another competitor.
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| 23. | Students apply math and science skills to everything from propeller blade angles to electrical systems.
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| 24. | Isosurface of vorticity trailed from a propeller blade.
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| 25. | The propeller blades were not damaged .
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| 26. | $1 . 4 million for heaters for propeller blades that should have cost $ 600, 000.
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| 27. | There were also high side forces which resulted from yaw and weak propeller blade pitch angle controls.
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| 28. | The Douglas Aircraft Company designed a system that would prevent the accidental reversal of propeller blades in-flight.
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| 29. | The plane's tail section and mangled engine parts and propeller blades were visible behind yellow police tape.
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| 30. | Fortunately, the ship sustained only minor damage to a propeller blade, and no disciplinary action was taken.
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