Abstract: : the propeller is in the model airplane one of most important components, is the model ship airplane obtains the power the key component.

摘要：螺旋桨是航空模型中最重要的零件之一，是航模飞机获得动力的关键部件。

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This paper presents the analogized methods and the active control experiments of the cabin noise for a propeller airplane.

本文介绍螺桨飞机舱内噪声的地面模拟方法和主动控制实验。

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The NTSB found that the flight crew would have been unable to perceive any problem with the airplane until the propeller blade Angle was between 24 and 26 degrees.

NTSB发现机组人员都已无法感知飞机的任何问题，直到螺旋桨叶片角度为24度和26度之间。

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When I was a kid, my first airplane ride was in a propeller aircraft painted to look like an eagle and piloted by my father.

WSJ: Buzz Aldrin on His Lunar Home, the Eagle