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Message
re: Can this 747 take off?
Posted on 4/10/24 at 5:06 pm to Street Hawk
Posted on 4/10/24 at 5:06 pm to Street Hawk
First and foremost, any airplane needs lift, created by air moving at a high rate above and below the wing. If it does not have that, it won't fly. Does not matter how high the engines are turning.
1
Posted on 4/10/24 at 5:15 pm to Street Hawk
Airplane on a treadmill thread…
16 years later, the next day
16 years later, the next day
Posted on 4/10/24 at 5:24 pm to Street Hawk
My goodness! Do people really not know what makes an airplane fly?
Posted on 4/10/24 at 5:54 pm to Street Hawk
Anyone saying yes needs to meet a man named Bernoulli
And we all know y’all didn’t spend anytime in CEBA.
And we all know y’all didn’t spend anytime in CEBA.
This post was edited on 4/10/24 at 5:55 pm
Posted on 4/10/24 at 6:15 pm to Street Hawk
No, the plane would not be able to take off. Air speed is what causes lift, not wheel speed. Or at least thats what my brain is telling me despite not being an engineer
Posted on 4/10/24 at 6:32 pm to Street Hawk
It's Boeing. We don't know.
Posted on 4/10/24 at 7:37 pm to Street Hawk
NO what a stupid question 
Posted on 4/10/24 at 7:39 pm to Street Hawk
Only if it reaches 88 mph and gets back to 1985.
Posted on 4/10/24 at 7:59 pm to Street Hawk
Who needs to teach math, science and common sense? Not us.. BLM, lbctq, antiqua power...
the wheels on the plane go round and round...... Everybody buy the pilot a drink.
the wheels on the plane go round and round...... Everybody buy the pilot a drink.
This post was edited on 4/10/24 at 8:02 pm
Posted on 4/10/24 at 8:57 pm to Street Hawk
No because the airflow around the wings remains the same thus not creating lift
Posted on 4/10/24 at 9:19 pm to Street Hawk
It's shocking to me that anyone says yes to this.
Posted on 4/10/24 at 10:21 pm to Street Hawk
If there isn’t enough air flowing over the wings for them to create lift then no.
The only way that’s happening is the engines have to create suitable thrust or a giant-arse fan blowing enough air at it.
The only way that’s happening is the engines have to create suitable thrust or a giant-arse fan blowing enough air at it.
Posted on 4/10/24 at 10:27 pm to Street Hawk
It's been twenty years since I have seen this posted on the internet. Well done.
Posted on 4/10/24 at 10:48 pm to Street Hawk
Posted on 4/10/24 at 11:47 pm to Street Hawk
No. The thrust of the engines will definitely move the plane forward. The conveyor will prevent the wheels from gaining any ground by spinning. Therefore the wheels will skid on the conveyor. The thrust of the engines would not be enough to overcome the friction of the skidding wheels. ETA: The engines will overcome the friction but not enough to get to takeoff speed.
The fallacy is that there is no such thing as an instantaneous feedback loop that could speed the conveyor up at the same rate as the wheels. The scenario is impossible. The only thing that would cause the conveyor to start moving is wheel rotation which necessitates forward motion.
ETA: My certainty of being correct is 50%.
The fallacy is that there is no such thing as an instantaneous feedback loop that could speed the conveyor up at the same rate as the wheels. The scenario is impossible. The only thing that would cause the conveyor to start moving is wheel rotation which necessitates forward motion.
ETA: My certainty of being correct is 50%.
This post was edited on 4/13/24 at 3:19 am
Posted on 4/11/24 at 7:44 am to Street Hawk
If the belt is going in the opposite direction the same speed as the wheels wouldn’t the forward speed be 0? If so, I think there wouldn’t be enough air to lift the plane off the ground.
Posted on 4/11/24 at 8:48 am to Street Hawk
As long as there is air flowing over the wing, the plane is generating lift.
The question is, does the plane actually move forward in this scenario?
Theory 1 - The conveyor moves fast enough to counteract any forward movement by the aircraft, it remains stationary, and this does not move nor fly
Theory 2 - The wheels move however the aircraft still has forward momentum, generates lift, and flies
My interpretation is that the power from an aircraft is coming from the engines and not the wheels. The conveyor would not act like a "brake" and that it prevents the wheels from moving at all. The plane would begin to accelerate down the conveyor despite the opposite force, and the plane would take off.
The question is, does the plane actually move forward in this scenario?
Theory 1 - The conveyor moves fast enough to counteract any forward movement by the aircraft, it remains stationary, and this does not move nor fly
Theory 2 - The wheels move however the aircraft still has forward momentum, generates lift, and flies
My interpretation is that the power from an aircraft is coming from the engines and not the wheels. The conveyor would not act like a "brake" and that it prevents the wheels from moving at all. The plane would begin to accelerate down the conveyor despite the opposite force, and the plane would take off.
Posted on 4/11/24 at 8:50 am to Street Hawk
Well, since the wheels aren't what make a plane fly, I'm going to go ahead and say no.
Posted on 4/11/24 at 9:30 am to Street Hawk
The answer is no. Because if it was yes, there would be conveyor belt airports and aircraft carriers all over the world.
Posted on 4/11/24 at 10:15 am to Street Hawk
This thread is so stupid, Twitter/X took the link down.
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