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Aircraft Mechanics
Horizontal Tail Moment Arm in Longitudinal Stability Formulas
The Horizontal Tail Moment Arm is the distance between the lift center of the horizontal tail and the center of gravity of the aircraft. And is denoted by 𝒍
t
. Horizontal Tail Moment Arm is usually measured using the Meter for Length. Note that the value of Horizontal Tail Moment Arm is always negative.
Formulas to find Horizontal Tail Moment Arm in Longitudinal Stability
f
x
Tail Moment Arm for given Tail Moment Coefficient
Go
f
x
Tail moment arm for given horizontal tail volume ratio
Go
Longitudinal Stability formulas that make use of Horizontal Tail Moment Arm
f
x
Tail Pitching Moment for given Lift Coefficient
Go
f
x
Tail Lift for given Tail Pitching Moment
Go
f
x
Pitching Moment due to Tail
Go
f
x
Tail Pitching Moment Coefficient for given Tail Efficiency
Go
f
x
Tail Area for given Tail Moment Coefficient
Go
f
x
Tail Efficiency for given Pitching Moment Coefficient
Go
f
x
Horizontal tail volume ratio
Go
f
x
Wing Mean Aerodynamic Chord for given Horizontal Tail Volume Ratio
Go
f
x
Wing Reference Area for given Horizontal Tail Volume Ratio
Go
f
x
Horizontal tail area for given tail volume ratio
Go
f
x
Tail Lift Coefficient for given Pitching Moment
Go
f
x
Tail Lift Coefficient for given Pitching Moment Coefficient
Go
List of variables in Longitudinal Stability formulas
f
x
Tail Pitching Moment Coefficient
Go
f
x
Reference Area
Go
f
x
Mean Aerodynamic Chord
Go
f
x
Tail Efficiency
Go
f
x
Horizontal Tail Area
Go
f
x
Tail Lift Coefficient
Go
f
x
Horizontal Tail Volume Ratio
Go
FAQ
What is the Horizontal Tail Moment Arm?
The Horizontal Tail Moment Arm is the distance between the lift center of the horizontal tail and the center of gravity of the aircraft. Horizontal Tail Moment Arm is usually measured using the Meter for Length. Note that the value of Horizontal Tail Moment Arm is always negative.
Can the Horizontal Tail Moment Arm be negative?
Yes, the Horizontal Tail Moment Arm, measured in Length can be negative.
What unit is used to measure Horizontal Tail Moment Arm?
Horizontal Tail Moment Arm is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Horizontal Tail Moment Arm can be measured.
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