RMIT Flight Training
Propellers
PROPELLERS
Aim: To understand the principles and considerations in a propeller producing thrust. Application: All stages of flight where the engine is running Definitions: Blade - an aerofoil which converts engine power into thrust. Blade Angle - the angle between the blade chordline and the plane of rotation. Blade Back - the cambered side of the blade. Blade Face - the flat side of the blade. Helix Angle - the angle between the resultant velocity of the blade and the plane of rotation. Angle of Attack - the angle between the chordline of the blade and the relative airflow. Torque - resistance to motion in the plane of rotation.
Principles: - The combination of the forward velocity and rotational velocity creates a helical motion of the propeller through the air.
RMIT Instructor Rating Mass Briefs Issue 1 /2004 Page 1
Brief 25
飞行翻译公司 www.aviation.cn 本文链接地址：RMIT飞行训练课件 25.螺旋桨 25. RFT Propellers.pdf
Propellers
PROPELLERS
Aim: To understand the principles and considerations in a propeller producing thrust. Application: All stages of flight where the engine is running Definitions: Blade - an aerofoil which converts engine power into thrust. Blade Angle - the angle between the blade chordline and the plane of rotation. Blade Back - the cambered side of the blade. Blade Face - the flat side of the blade. Helix Angle - the angle between the resultant velocity of the blade and the plane of rotation. Angle of Attack - the angle between the chordline of the blade and the relative airflow. Torque - resistance to motion in the plane of rotation.
Principles: - The combination of the forward velocity and rotational velocity creates a helical motion of the propeller through the air.
RMIT Instructor Rating Mass Briefs Issue 1 /2004 Page 1
Brief 25
飞行翻译公司 www.aviation.cn 本文链接地址：RMIT飞行训练课件 25.螺旋桨 25. RFT Propellers.pdf
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