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Aircraft Mechanics
Reference Area in Directional Stability Formulas
The Reference Area is arbitrarily an area that is characteristic of the object being considered. For an aircraft wing, the wing’s planform area is called the reference wing area or simply wing area. And is denoted by S. Reference Area is usually measured using the Square Meter for Area. Note that the value of Reference Area is always positive.
Formulas to find Reference Area in Directional Stability
f
x
Wing Area for given Moment Produced by Vertical Tail
Go
f
x
Wing Area for given Yawing Moment Coefficient
Go
f
x
Wing Area for given Vertical Tail Volume Ratio
Go
Directional Stability formulas that make use of Reference Area
f
x
Vertical Tail Moment Arm for Given Yawing Moment Coefficient
Go
f
x
Vertical tail volume ratio
Go
f
x
Vertical Tail Moment Arm for given Vertical Tail Volume Ratio
Go
f
x
Vertical tail area for given vertical tail volume ratio
Go
f
x
Moment Produced by Vertical Tail for given Moment Coefficient
Go
f
x
Vertical Tail Area for given Yawing Moment Coefficient
Go
f
x
Vertical Tail Lift Curve Slope for given Yawing Moment Coefficient
Go
f
x
Wing Dynamic Pressure for given Yawing Moment Coefficient
Go
f
x
Wingspan for given Yawing Moment Coefficient
Go
f
x
Wingspan for Yawing Moment Coefficient given Sideslip Angle and Sidewash Angle
Go
f
x
Dynamic Pressure at Wing for given Yawing Moment Coefficient
Go
f
x
Dynamic Pressure at Vertical Tail for given Yawing Moment Coefficient
Go
f
x
Wingspan for given Vertical Tail Volume Ratio
Go
f
x
Yawing Moment Coefficient using Wingspan
Go
f
x
Yawing Moment Coefficient for given Vertical Tail Lift Curve Slope
Go
f
x
SideSlip Angle for given Yawing Moment Coefficient
Go
f
x
Sidewash Angle given Yawing Moment Coefficient using Wingspan
Go
List of variables in Directional Stability formulas
f
x
Vertical Tail Moment
Go
f
x
Yawing Moment Coefficient
Go
f
x
Wing Dynamic Pressure
Go
f
x
Wingspan
Go
f
x
Vertical Tail Moment Arm
Go
f
x
Vertical Tail Area
Go
f
x
Vertical Tail Dynamic Pressure
Go
f
x
Vertical Tail Lift Curve Slope
Go
f
x
Sideslip Angle
Go
f
x
Sidewash Angle
Go
f
x
Vertical Tail Volume Ratio
Go
FAQ
What is the Reference Area?
The Reference Area is arbitrarily an area that is characteristic of the object being considered. For an aircraft wing, the wing’s planform area is called the reference wing area or simply wing area. Reference Area is usually measured using the Square Meter for Area. Note that the value of Reference Area is always positive.
Can the Reference Area be negative?
No, the Reference Area, measured in Area cannot be negative.
What unit is used to measure Reference Area?
Reference Area is usually measured using the Square Meter[m²] for Area. Square Kilometer[m²], Square Centimeter[m²], Square Millimeter[m²] are the few other units in which Reference Area can be measured.
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