Gearing Ratio in Longitudinal Control Formulas

Gearing Ratio is a measure of the mechanical advantage provided by the control system of an aircraft. And is denoted by 𝑮. Gearing Ratio is usually measured using the 1 per Meter for Reciprocal Length. Note that the value of Gearing Ratio is always positive.

Formulas to find Gearing Ratio in Longitudinal Control

fxGearing Ratio for given Stick ForceGo

fxGearing RatioGo

fxGearing Ratio given Hinge Moment CoefficientGo

Longitudinal Control formulas that make use of Gearing Ratio

fxElevator Deflection Angle given Gearing RatioGo

fxStick Deflection Angle for given Gearing RatioGo

fxControl stick length for given gearing ratioGo

fxElevator Stick Force given Gearing RatioGo

fxElevator Stick Force given Hinge Moment CoefficientGo

fxFlight Velocity for given Stick ForceGo

fxElevator Area given Stick ForceGo

fxElevator Chord Length given Stick ForceGo

fxHinge Moment for given Gearing RatioGo

fxHinge Moment Coefficient given Stick ForceGo

List of variables in Longitudinal Control formulas

fx Stick Force Go

fx Hinge Moment Go

fx Elevator Deflection Angle Go

fx Stick Length Go

fx Stick Deflection Angle Go

fx Hinge Moment Coefficient Go

fx Density Go

fx Flight Velocity Go

fx Elevator Area Go

fx Elevator Chord Go

FAQ

What is the Gearing Ratio?

Gearing Ratio is a measure of the mechanical advantage provided by the control system of an aircraft. Gearing Ratio is usually measured using the 1 per Meter for Reciprocal Length. Note that the value of Gearing Ratio is always positive.

Can the Gearing Ratio be negative?

No, the Gearing Ratio, measured in Reciprocal Length cannot be negative.

What unit is used to measure Gearing Ratio?

Gearing Ratio is usually measured using the 1 per Meter[m⁻¹] for Reciprocal Length. 1 per Kilometer[m⁻¹], 1 per Mile[m⁻¹], 1 per Yard[m⁻¹] are the few other units in which Gearing Ratio can be measured.

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