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Liftoff velocity is defined as the velocity of the aircraft at which it first becomes airborne. Check FAQs
VLO=1.2Vstall
VLO - Liftoff velocity?Vstall - Stall Velocity?

Liftoff velocity for given stall velocity Example

With values
With units
Only example

Here is how the Liftoff velocity for given stall velocity equation looks like with Values.

Here is how the Liftoff velocity for given stall velocity equation looks like with Units.

Here is how the Liftoff velocity for given stall velocity equation looks like.

177.6Edit=1.2148Edit
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Liftoff velocity for given stall velocity Solution

Follow our step by step solution on how to calculate Liftoff velocity for given stall velocity?

FIRST Step Consider the formula
VLO=1.2Vstall
Next Step Substitute values of Variables
VLO=1.2148m/s
Next Step Prepare to Evaluate
VLO=1.2148
LAST Step Evaluate
VLO=177.6m/s

Liftoff velocity for given stall velocity Formula Elements

Variables
Liftoff velocity
Liftoff velocity is defined as the velocity of the aircraft at which it first becomes airborne.
Symbol: VLO
Measurement: SpeedUnit: m/s
Note: Value should be greater than 0.
Stall Velocity
Stall Velocity is defined as the velocity of an airplane in steady flight at its maximum lift coefficient.
Symbol: Vstall
Measurement: SpeedUnit: m/s
Note: Value should be greater than 0.

Other Formulas to find Liftoff velocity

​Go Liftoff velocity for given weight
VLO=1.2(2WρSCL,max)

Other formulas in Take Off category

​Go Resistance force during ground roll
R=μr(W-FL)
​Go Coefficient of rolling friction during ground roll
μr=RW-FL
​Go Weight of aircraft during ground roll
W=(Rμr)+FL
​Go Lift acting on aircraft during ground roll
FL=W-(Rμr)

How to Evaluate Liftoff velocity for given stall velocity?

Liftoff velocity for given stall velocity evaluator uses Liftoff velocity = 1.2*Stall Velocity to evaluate the Liftoff velocity, Liftoff Velocity for Given Stall Velocity is a measure of the minimum speed required for an aircraft to take off, calculated by multiplying the stall velocity by a safety factor of 1.2, ensuring a safe margin above the stall speed to prevent engine failure or loss of control during critical phases of flight. Liftoff velocity is denoted by VLO symbol.

How to evaluate Liftoff velocity for given stall velocity using this online evaluator? To use this online evaluator for Liftoff velocity for given stall velocity, enter Stall Velocity (Vstall) and hit the calculate button.

FAQs on Liftoff velocity for given stall velocity

What is the formula to find Liftoff velocity for given stall velocity?
The formula of Liftoff velocity for given stall velocity is expressed as Liftoff velocity = 1.2*Stall Velocity. Here is an example- 177.6 = 1.2*148.
How to calculate Liftoff velocity for given stall velocity?
With Stall Velocity (Vstall) we can find Liftoff velocity for given stall velocity using the formula - Liftoff velocity = 1.2*Stall Velocity.
What are the other ways to Calculate Liftoff velocity?
Here are the different ways to Calculate Liftoff velocity-
  • Liftoff velocity=1.2*(sqrt((2*Weight)/(Freestream Density*Reference Area*Maximum Lift Coefficient)))OpenImg
Can the Liftoff velocity for given stall velocity be negative?
No, the Liftoff velocity for given stall velocity, measured in Speed cannot be negative.
Which unit is used to measure Liftoff velocity for given stall velocity?
Liftoff velocity for given stall velocity is usually measured using the Meter per Second[m/s] for Speed. Meter per Minute[m/s], Meter per Hour[m/s], Kilometer per Hour[m/s] are the few other units in which Liftoff velocity for given stall velocity can be measured.
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