AERM 1240: Prop Study Questions Answered Correctly

Five operational forces acting on prop are: - a. Centrifugal Force b. Thrust bending Force c. Torque bending Force d. Aerodynamic Twisting Moments e. Centrifugal Twisting Moment Forces acting on a Propeller: - a. Tension b. Torsion c. Compression d. Bending stresses What is the purpose of the Propeller? - The propeller converts engine HP to useful thrust. §45.13 Identification data. - (a) The identification required by §45.11 (a) through (c) must include the following information: (1) Builder's name. (2) Model designation. (3) Builder's serial number. (4) Type certificate number, if any. (5) Production certificate number, if any. (6) For aircraft engines, the established rating. FAR PART 43 - —MAINTENANCE, PREVENTIVE MAINTENANCE, REBUILDING, AND ALTERATION Pitch Distribution - Twist in a propeller blade along its length Blade Angle - -Between blade section chord line and the plane of rotation of the propeller Two types of pitch: - 1. Geometric Pitch 2. Effective Pitch