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Author: United Aircraft Corporation. Hamilton Standard propellers division
Publisher:
ISBN:
Category : Propellers, Aerial
Languages : en
Pages : 68
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Book Description
Author: United Aircraft Corporation. Hamilton Standard propellers division
Publisher:
ISBN:
Category : Propellers, Aerial
Languages : en
Pages : 68
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Book Description
Author: United Aircraft Corporation. Hamilton Standard Propeller Division
Publisher:
ISBN:
Category : Propellers, Aerial
Languages : en
Pages : 88
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Book Description
Author: Herbert S. Ribner
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 28
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Book Description
Summary: General formulas are given for propellers for the rate of change of side-force coefficient with angle of yaw and for the rate of change of pitching-moment coefficient with angle of yaw. Charts of the side-force derivative are given for two propellers of different plan form. The charts cover solidities of two to six blades and single and dual rotation. The blade angles range from 15° or 20° to 60°. The equations, and the charts computed from the equations, are based on an unpublished analysis, which incorporates factors not adequately covered in previously published work and gives good agreement with experiment over a wide range of operating conditions. A study of the equations indicates that they are consistent with the following physical interpretation: In developing side force, the propeller acts like a fin of which the area is the projected side area of the propeller, the effective aspect ratio is of the order of 8, and the effective dynamic pressure is roughly that at the propeller disk as augmented by the inflow. The variation of the inflow velocity, for a fixed-pitch propeller, accounts for most of the variation of side force with advance-diameter ratio. The charts may be applied to obtain the rate of change of normal-force coefficient with angle of attack of the axis of rotation if proper account is taken of the upwash or downwash from the wing.
Author: United Aircraft Corporation. Hamilton Standard Propeller Division
Publisher:
ISBN:
Category : Propellers, Aerial
Languages : en
Pages : 76
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Book Description
Author: Jeremy R. Kinney
Publisher: Cambridge University Press
ISBN: 1107142865
Category : History
Languages : en
Pages : 391
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Book Description
This book explores a technology that transformed airplanes into safe, practical tools of war and a means of transportation during the first half of the twentieth century.
Author: Rénald Fortier
Publisher:
ISBN:
Category : Transportation
Languages : en
Pages : 34
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Book Description
Author: Wilbur Clifton Nelson
Publisher:
ISBN:
Category : Transportation
Languages : en
Pages : 144
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Book Description
Author: United States. National Guard Bureau
Publisher:
ISBN:
Category : United States
Languages : en
Pages : 24
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Book Description
Author: Richard Markey
Publisher:
ISBN:
Category : Propellers, Aerial
Languages : en
Pages : 184
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Book Description
Author: Frank Hitchens
Publisher: Andrews UK Limited
ISBN: 1785381245
Category : Transportation
Languages : en
Pages : 150
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Book Description
Classical aerodynamics is a compulsory study subject for pilots at all levels of experience. Propeller Aerodynamics is a subset of this fascinating subject. Propellers have their unique aerodynamic terminology, forces and handling requirements, knowledge of which all pilots must be aware of to safely handle the aircraft they are flying. Incorrect propeller handling can cause damage to the aircraft and reduce performance efficiency. Most aerodynamic text books only give a brief view of propeller aerodynamics; however this book Propeller Aerodynamics delves more deeply into this subject. The book covers the history and operation of aircraft propellers, prop pitch, thrust, efficiency, aircraft stability, prop forces, constant-speed units and more. This is all essential reading for the pilot progressing to more advanced high-performance aircraft.