Touchdown velocity for given stall velocity Solution

STEP 0: Pre-Calculation Summary
Formula Used
Touchdown Velocity = 1.3*Stall Velocity
VT = 1.3*Vstall
This formula uses 2 Variables
Variables Used
Touchdown Velocity - (Measured in Meter per Second) - Touchdown Velocity is the instantaneous velocity of an aircraft when it touches the ground during landing.
Stall Velocity - (Measured in Meter per Second) - Stall Velocity is defined as the velocity of an airplane in steady flight at its maximum lift coefficient.
STEP 1: Convert Input(s) to Base Unit
Stall Velocity: 148 Meter per Second --> 148 Meter per Second No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
VT = 1.3*Vstall --> 1.3*148
Evaluating ... ...
VT = 192.4
STEP 3: Convert Result to Output's Unit
192.4 Meter per Second --> No Conversion Required
FINAL ANSWER
192.4 Meter per Second <-- Touchdown Velocity
(Calculation completed in 00.020 seconds)

Credits

Created by Vinay Mishra
Indian Institute for Aeronautical Engineering and Information Technology (IIAEIT), Pune
Vinay Mishra has created this Calculator and 300+ more calculators!
Vallurupalli Nageswara Rao Vignana Jyothi Institute of Engineering and Technology (VNRVJIET), Hyderabad
Sai Venkata Phanindra Chary Arendra has verified this Calculator and 300+ more calculators!

5 Landing Calculators

Landing ground roll distance
Go Landing Roll = 1.69*(Weight Newton^2)*(1/([g]*Freestream density*Reference Area*Maximum Lift Coefficient))*(1/((0.5*Freestream density*((0.7*Touchdown Velocity)^2)*Reference Area*(Zero-lift drag coefficient+(Ground effect factor*(Lift Coefficient^2)/(pi*Oswald efficiency factor*Aspect Ratio of a wing))))+(Coefficient of Rolling Friction*(Weight Newton-(0.5*Freestream density*((0.7*Touchdown Velocity)^2)*Reference Area*Lift Coefficient)))))
Landing Ground Run
Go Landing Ground Run = (Normal Force*Velocity at Touchdown Point)+(Weight Of Aircraft/(2*[g]))*int((2*Velocity of Aircraft)/(Reverse Thrust+Drag Force+Reference Of Rolling Resistance Coefficient*(Weight Of Aircraft-Lift Force)),x,0,Velocity at Touchdown Point)
Touchdown velocity
Go Touchdown Velocity = 1.3*(sqrt(2*Weight Newton/(Freestream density*Reference Area*Maximum Lift Coefficient)))
Touchdown velocity for given stall velocity
Go Touchdown Velocity = 1.3*Stall Velocity
Stall velocity for given touchdown velocity
Go Stall Velocity = Touchdown Velocity/1.3

Touchdown velocity for given stall velocity Formula

Touchdown Velocity = 1.3*Stall Velocity
VT = 1.3*Vstall

How fast is an airplane going when it lands?

Big commercial airplanes generally fly in the 550-580 MPH range, but their landing and taking-off speeds are naturally different. Most commercial planes take off at roughly 160 to 180 MPH, while landings take approximately 150 to 165 MPH.

How to Calculate Touchdown velocity for given stall velocity?

Touchdown velocity for given stall velocity calculator uses Touchdown Velocity = 1.3*Stall Velocity to calculate the Touchdown Velocity, The Touchdown velocity for given stall velocity is 30 percent more than the stall velocity to maintain a factor of safety. Touchdown Velocity is denoted by VT symbol.

How to calculate Touchdown velocity for given stall velocity using this online calculator? To use this online calculator for Touchdown velocity for given stall velocity, enter Stall Velocity (Vstall) and hit the calculate button. Here is how the Touchdown velocity for given stall velocity calculation can be explained with given input values -> 192.4 = 1.3*148.

FAQ

What is Touchdown velocity for given stall velocity?
The Touchdown velocity for given stall velocity is 30 percent more than the stall velocity to maintain a factor of safety and is represented as VT = 1.3*Vstall or Touchdown Velocity = 1.3*Stall Velocity. Stall Velocity is defined as the velocity of an airplane in steady flight at its maximum lift coefficient.
How to calculate Touchdown velocity for given stall velocity?
The Touchdown velocity for given stall velocity is 30 percent more than the stall velocity to maintain a factor of safety is calculated using Touchdown Velocity = 1.3*Stall Velocity. To calculate Touchdown velocity for given stall velocity, you need Stall Velocity (Vstall). With our tool, you need to enter the respective value for Stall Velocity and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Touchdown Velocity?
In this formula, Touchdown Velocity uses Stall Velocity. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Touchdown Velocity = 1.3*(sqrt(2*Weight Newton/(Freestream density*Reference Area*Maximum Lift Coefficient)))
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