aircraft:tmd:aerofuselage
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aircraft:tmd:aerofuselage [2017/01/23 18:01] – [Flight in high angle of attack] jh | aircraft:tmd:aerofuselage [2018/09/30 13:22] – jh | ||
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====== Aerofuselage ====== | ====== Aerofuselage ====== | ||
- | Objects from the '' | + | Objects from the '' |
- | === Other Aerodynamic | + | In knife edge flight or high angles of attack the '' |
- | [[aerowing]], | + | |
+ | === Other aerodynamic | ||
+ | [[aerowing]], | ||
===== Stations ===== | ===== Stations ===== | ||
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{{ : | {{ : | ||
+ | |||
+ | ---- | ||
==== Flight in high angle of attack ==== | ==== Flight in high angle of attack ==== | ||
+ | |||
+ | At a great angle of attack the large geometry of a fuselage can create significant amounts of lift and drag. In the Aerofly FS 2 these affects are simulated and can be fine tuned using the '' | ||
+ | |||
+ | {{ : | ||
+ | |||
=== Clz === | === Clz === | ||
The Clz describes the lift of the fuselage created by the increase of the [[airfoil# | The Clz describes the lift of the fuselage created by the increase of the [[airfoil# | ||
- | > '' | + | > '' |
> For aerobatic aircraft: Clz should be set lower than the Cly if the fuselage is taller than wide. Otherwise rolling circles or loops tend to oscillate upwards each time the wings are somewhat level compared to the knife edge attitude where the fuselage creates almost all of the lift. | > For aerobatic aircraft: Clz should be set lower than the Cly if the fuselage is taller than wide. Otherwise rolling circles or loops tend to oscillate upwards each time the wings are somewhat level compared to the knife edge attitude where the fuselage creates almost all of the lift. | ||
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> This value greatly affects the rotation speed of the knife edge spin | > This value greatly affects the rotation speed of the knife edge spin | ||
- | {{ : | + | === Cdz === |
+ | The '' | ||
+ | |||
+ | > '' | ||
+ | |||
+ | > The amount of power in high angle of attack attitude (stall or even hover) is affected by this parameter. However the largest drag component comes from the induced drag of the [[aerowing|aerowings]]. | ||
+ | |||
+ | > The nose-down attitude of the airplane while in a spin is affected by this value. | ||
+ | |||
+ | > Lower values will increase the agility for aerobatics maneuvers such as tubles but also snap rolls. | ||
+ | |||
+ | > A lower value increases a gliders performance at higher angle of attack, which is the case for tight turns in a thermal. | ||
+ | |||
+ | ---- | ||
==== Knife Edge flight ==== | ==== Knife Edge flight ==== | ||
- | === Cdy === | + | During a knife edge flight |
- | '' | + | |
{{ : | {{ : | ||
- | |||
- | ==== Lift Coefficients ==== | ||
=== Cly === | === Cly === | ||
+ | '' | ||
- | === Cdz === | + | > '' |
- | ==== Moment Coefficient ==== | + | > With higher values the airplane requires less side slip angle to maintain altitude in the knife edge flight. Use a moderate value for aerobatic airplanes to make them more realistic and also more agile. |
+ | |||
+ | === Cdy === | ||
+ | '' | ||
+ | |||
+ | > '' | ||
+ | |||
+ | > The rate of a flat spin is greatly dependent on this value. Higher values will result in a much lower rate of turn while in a flat spin | ||
+ | |||
+ | > Reducing the value for Cdy will increase the agility of the airplane. It will do snap rolls and other aerobatics more easily. | ||
+ | |||
+ | > This attribute determines the amount of power needed for KnifeEdge flight. | ||
=== Cm === | === Cm === | ||
+ | With a '' | ||
- | === Cdz === | + | > A '' |
+ | |||
+ | > The '' | ||
+ | |||
+ | === Propeller === | ||
+ | |||
+ | The '' | ||
+ | |||
+ | ===== Example Code ===== | ||
+ | ==== Minimal ==== | ||
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+ | ==== All ==== | ||
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aircraft/tmd/aerofuselage.txt · Last modified: 2019/07/07 10:50 by jh