aircraft:tmd:propeller
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aircraft:tmd:propeller [2017/01/23 22:41] – jh | aircraft:tmd:propeller [2019/07/07 10:50] (current) – [Propeller] jh | ||
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A propeller rotates around a spinning driveshaft which acts a torque onto the propeller. In the Aerofly FS 2 there are two kinds of propellers: the '' | A propeller rotates around a spinning driveshaft which acts a torque onto the propeller. In the Aerofly FS 2 there are two kinds of propellers: the '' | ||
+ | === Other Aerodynamic classes === | ||
+ | [[airfoil]], | ||
===== Body and EngineRotationSpeed ===== | ===== Body and EngineRotationSpeed ===== | ||
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In the example of the Extra 330 LX below the propeller is slightly angled to the right (side thrust). | In the example of the Extra 330 LX below the propeller is slightly angled to the right (side thrust). | ||
+ | {{ : | ||
==== Radius ==== | ==== Radius ==== | ||
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The name is self-descriptive here. A input can be given to change the pitch of a propeller. That way a constant speed propeller can be controlled by a [[governor]], | The name is self-descriptive here. A input can be given to change the pitch of a propeller. That way a constant speed propeller can be controlled by a [[governor]], | ||
+ | |||
+ | ==== CutOut ==== | ||
+ | |||
+ | This is the fraction of the radius (or maybe the fraction of the area) that is not part of the propeller because of the propeller hub and spinner. The model used in the Aerofly FS 2 accounts for that blade-less portion by the '' | ||
+ | |||
+ | ===== Aerodynamic Parameters ===== | ||
==== AspectRatio ==== | ==== AspectRatio ==== | ||
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The '' | The '' | ||
+ | ==== LateralForceCoefficient ==== | ||
+ | |||
+ | The '' | ||
+ | |||
+ | > The lower the value the more rudder is required in a static knife edge flight at full power. | ||
+ | |||
+ | > A value between '' | ||
+ | |||
+ | {{ : | ||
+ | |||
+ | ==== LateralDragCoefficient ==== | ||
+ | |||
+ | The '' | ||
+ | |||
+ | > A higher value makes it much easier to enter a static torque roll. If the value becomes unrealistically high the torque roll is so stable that it cannot be stopped. Also high values tend to throw the aircraft around so that it flies backwards for a short time, not a very realistic looking behavior. | ||
+ | |||
+ | > Stay below '' | ||
+ | |||
+ | {{ : | ||
===== Example Code ===== | ===== Example Code ===== | ||
- | ==== Simple | + | ==== C172 - Fixed Propeller ==== |
- | > **Caution**: | + | > **Caution**: |
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==== Extra 330 LX - Constant Speed Propeller ==== | ==== Extra 330 LX - Constant Speed Propeller ==== | ||
- | > **Caution**: | + | > **Caution**: |
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aircraft/tmd/propeller.1485207716.txt.gz · Last modified: 2017/01/23 22:41 by jh