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re: Can this 747 take off?
Posted on 4/10/24 at 9:21 pm to DavidTheGnome
Posted on 4/10/24 at 9:21 pm to DavidTheGnome
Thank you. A plane stationary, no matter if the hypothetical treadmill was going the speed of light, can’t take off because of Bernoulli's law.
It clearly says the treadmill goes as fast as the wheels. So no matter how much throttle the pilot applies, the plane stays stationary.
And to think that some assholes downvoted me on this.
The air on top of the wing has to be going faster than the air below the wing- hence why a wing is shaped like it is. This creates lower pressure above the wing and then takeoff.
Thrust doesn’t make you fly assholes. Low pressure above a wing does.
It’s why a hang glider works.
It clearly says the treadmill goes as fast as the wheels. So no matter how much throttle the pilot applies, the plane stays stationary.
And to think that some assholes downvoted me on this.
The air on top of the wing has to be going faster than the air below the wing- hence why a wing is shaped like it is. This creates lower pressure above the wing and then takeoff.
Thrust doesn’t make you fly assholes. Low pressure above a wing does.
It’s why a hang glider works.
This post was edited on 4/10/24 at 9:25 pm
2
Posted on 4/10/24 at 10:56 pm to subMOA
quote:
It clearly says the treadmill goes as fast as the wheels. So no matter how much throttle the pilot applies, the plane stays stationary.
I think we would all agree that a plane could fly at a constant speed 10ft above a treadmill moving in an opposite direction but equal speed. The plane could even chose to accelerate if it wanted to.
Why would lowering free-spinning landing gear from the same plane over the same treadmill prevent it from continuing to fly or even accelerating?
This post was edited on 4/10/24 at 10:58 pm
Posted on 4/10/24 at 11:02 pm to subMOA
quote:
clearly says the treadmill goes as fast as the wheels. So no matter how much throttle the pilot applies, the plane stays stationary.
If you held a hot wheels car on a treadmill do you think you could move the car forward with your hand? No matter how fast the treadmill was going it would take very little force to move the car forward with just your hand.
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