| 31. | The engines drove three-bladed metal Constant speed propellers.
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| 32. | They relied heavily on their size and large bladed polearms.
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| 33. | The 2008 model was equipped with 6-bladed slightly swept propellers.
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| 34. | Paddles can be single-bladed or double-bladed.
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| 35. | Paddles can be single-bladed or double-bladed.
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| 36. | The engine was tightly cowled and drove a two-bladed propeller.
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| 37. | The rank badge is a three-bladed propeller inside a circle.
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| 38. | The two-bladed rotor is of bonded metal construction.
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| 39. | The two turbines drove a three-bladed screw each.
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| 40. | The propeller is a two bladed wooden design of diameter.
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