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Started By
Message
Can this 747 take off?
Posted on 4/10/24 at 4:06 pm
Posted on 4/10/24 at 4:06 pm
50
Posted on 4/10/24 at 4:06 pm to Street Hawk
Oh god, not this one again.
Posted on 4/10/24 at 4:06 pm to Street Hawk
Edit: I’m an idiot.
This post was edited on 4/10/24 at 4:16 pm
Posted on 4/10/24 at 4:07 pm to Street Hawk
Edit: The wheels just don't move. The conveyor is as long as a runway.
This post was edited on 4/10/24 at 4:44 pm
Posted on 4/10/24 at 4:07 pm to Street Hawk
I remember this from 20 years ago
The doctor is the kids mother!
The doctor is the kids mother!
Posted on 4/10/24 at 4:07 pm to Street Hawk
Depends......is it made by Boeing?
Posted on 4/10/24 at 4:10 pm to Street Hawk
Are we still doing this phrase?
Tell me you do not know how an airplane works without telling me that you do not know how an airplane works.
If not, Admin can delete.
Tell me you do not know how an airplane works without telling me that you do not know how an airplane works.
If not, Admin can delete.
Posted on 4/10/24 at 4:10 pm to Street Hawk
the answer is yes
Posted on 4/10/24 at 4:12 pm to Street Hawk
quote:
Can this 747 take off?
Depends.
Is your mom onboard?
Posted on 4/10/24 at 4:13 pm to Street Hawk
Yes. The wheels are going to spin at 2x the airspeed.
Maybe some weird ground effect that allows for a lower rotation speed too
Maybe some weird ground effect that allows for a lower rotation speed too
Posted on 4/10/24 at 4:15 pm to Street Hawk
Nope
Posted on 4/10/24 at 4:17 pm to Street Hawk
All this time, airports and aircraft carriers could have just installed a conveyor belt.
Posted on 4/10/24 at 4:18 pm to Street Hawk
Lift occurs with the pressure difference between the top of the wing and the bottom of the wing are great enough to overcome the force of gravity.
There is no wind blowing over the wings. No lift. This is why an aircraft carrier turns into the wind to launch. Free wind over the wings
There is no wind blowing over the wings. No lift. This is why an aircraft carrier turns into the wind to launch. Free wind over the wings
Posted on 4/10/24 at 4:24 pm to Street Hawk
No. It takes wind moving over the wings to get lift.
Capeesh?
Capeesh?
Posted on 4/10/24 at 4:26 pm to Street Hawk
As long as the belt isn’t designed to move in response to the forward motion of the plane and has its own power to match the forward motion of the plane, and thus the wheel rotation, the plane will not take off.
If it is simply a conveyor belt that matches the wheels’ rotational speed, the plane will quickly leave the treadmill.
That is simply in reality, IMO.
If it is simply a conveyor belt that matches the wheels’ rotational speed, the plane will quickly leave the treadmill.
That is simply in reality, IMO.
This post was edited on 4/10/24 at 4:26 pm
Posted on 4/10/24 at 4:28 pm to Street Hawk
If the wheel speed never allows the plane to move there is no way it can take off.
Posted on 4/10/24 at 4:36 pm to Street Hawk
If you stand on a skateboard while on a treadmill holding a rope can you pull yourself forward?
Now imagine the rope is air and your arms are a propeller
Now imagine the rope is air and your arms are a propeller
Posted on 4/10/24 at 4:37 pm to Street Hawk
No the plane will crash off the end of the conveyor belt
Posted on 4/10/24 at 4:55 pm to Street Hawk
The wheels would keep increasing in speed until the bearings melted.
The plane doesn’t drive itself through the wheels. So the answer is that the engines would have to overcome infinity coefficient if drag by a backward moving runway on what has design limits (wheel bearings).
The plane doesn’t drive itself through the wheels. So the answer is that the engines would have to overcome infinity coefficient if drag by a backward moving runway on what has design limits (wheel bearings).
Posted on 4/10/24 at 5:02 pm to Street Hawk
The plane will not take off because it will be stationary relative to the ground and the air. It will essentially be like a dude running on a treadmill. So unless it is a Harrier jet, it won't take off.
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