Attention Jason Friedlin (Pilot Extraordinaire)- Will It Fly?
Two part question to this scenario.
What say you: A plane is standing on a conveyor belt. As the plane moves the conveyor moves but in the opposite direction. The conveyor has a system that tracks the speed of the plane and matches it exactly in the opposite direction. The question is: Will the plane take off or not? Does it matter if the plane is prop or jet powered? All of you other smarty-pantses can play too. lol This should be good. :pca1: |
I'm with ya on that one:U: need air movement to create the lift on the wings
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UHH OHH...Sam, you KNOW you just stirred up the 'ol proverbial hornets nest. :) Lets see how many pages we get up to on DB. I think DP surely has the web record at 73 pages and over 700 posts. This will be another interesting thread. :pca1:
BTW- No, it wont fly. There is no lift generated in this scenario to "fly" the wing. Bernoulli's Law. :pca1: |
Originally Posted by DangerousDuramax
(Post 108949)
UHH OHH...Sam, you KNOW you just stirred up the 'ol proverbial hornets nest. :) Lets see how many pages we get up to on DB. I think DP surely has the web record at 73 pages and over 700 posts. This will be another interesting thread. :pca1:
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lol :psst:
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OH NO..........here we go again
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on PS.com i think we had it to like 10 pages of fighting and bickering......it dosent cause lift.......its like running on a tread mill and actually running.......no wind resistance......
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Originally Posted by Whitmore
(Post 108957)
OH NO..........here we go again
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Originally Posted by Johnny Cetane
(Post 108978)
For some side action I'm thinking about starting a "What's better- Republican or Democrat?" thread depending on how this one does.
politics suck.............politicians are crooks :ph::ph::ph: |
No, the plane will not fly. Gotta have the airflow. You can set the plane still on the ground with aimed into a strong enough wind and it will fly. I've done that on mys simulator. NASA has kind of thrown Bernoulli's principle out the window now and are saying that deflection, not pressure differences create lift and make planes fly. Its hard to say for sure, but I think it may be some of both:pca1:
---AutoMerged DoublePost--- I just noticed the pilot extradoinaire in the title. BTW I failed a check ride yesterday because I had a brain lapse for 1.3 seconds cause I'm an idiot:argh: |
Originally Posted by jasonfriedlin
(Post 108982)
No, the plane will not fly. Gotta have the airflow. You can set the plane still on the ground with aimed into a strong enough wind and it will fly. I've done that on mys simulator. NASA has kind of thrown Bernoulli's principle out the window now and are saying that deflection, not pressure differences create lift and make planes fly. Its hard to say for sure, but I think it may be some of both:pca1:
---AutoMerged DoublePost--- I just noticed the pilot extradoinaire in the title. BTW I failed a check ride yesterday because I had a brain lapse for 1.3 seconds cause I'm an idiot:argh: Exactly, and I think Lockheed-Martin proved this with the new F-22 Raptor being able to pull off cobra and hammerhead maneuvers. :up: |
Originally Posted by jasonfriedlin
(Post 108982)
I just noticed the pilot extradoinaire in the title. BTW I failed a check ride yesterday because I had a brain lapse for 1.3 seconds cause I'm an idiot:argh:
You'll get there. Make all your mistake now while you have an empty plane. :up2: lol |
What happened Jason?
And good job johnny on opening up one big arse can of worms. |
Yeah, it ain't no big deal, gonna try it again tomorrow if the weather cooperates with me
---AutoMerged DoublePost--- I didn't recover from a stall fast enough and let the airspeed get a lil to hogh and he failed me for it |
Originally Posted by 2001shrtbedcummins
(Post 109040)
And good job johnny on opening up one big arse can of worms.
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Originally Posted by Jazz
(Post 108946)
I'm with ya on that one:U: need air movement to create the lift on the wings
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Okay you need lift to fly, what if there is a constant high tail wind blowing? I know nothing about flying though.
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Originally Posted by Johnny Cetane
(Post 109053)
Meh. Nobody's playing though. I'm gonna call Mythbusters.
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I think that we all are too smart here for this to get into a heated debate. You need air movement to get lift, so a plane on a treadmill will not fly.
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Originally Posted by 2001shrtbedcummins
(Post 109089)
IT WILL NOT FLY!!!
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Originally Posted by DazedandConfused
(Post 109091)
But what if you adjust the dewflux inhibitor, back down the preasure on the conooter vavle and crank up the flux capacitor?:pca1:
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Originally Posted by DangerousDuramax
(Post 109126)
Holy crap I think you figured it out!!! I'm gonna be ri....I mean, YOU'RE gonna be rich. :w2:
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Originally Posted by DazedandConfused
(Post 109091)
But what if you adjust the dewflux inhibitor, back down the preasure on the conooter vavle and crank up the flux capacitor?:pca1:
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Originally Posted by DazedandConfused
(Post 109088)
Okay you need lift to fly, what if there is a constant high tail wind blowing? I know nothing about flying though.
As long as you can keep your airspeed high enough for the plane to fly, a strong tailwind will just increase your groundspeed. Airspeed and groundspeed are two different things altogether all based on air density, temperature, and ofcourse, the wind.:U: |
don't worry guys the answer will be revealed at 8CST/9EST next wednesday night on Mythbusters....
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1 Attachment(s)
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Originally Posted by jasonfriedlin
(Post 109193)
As long as you can keep your airspeed high enough for the plane to fly, a strong tailwind will just increase your groundspeed. Airspeed and groundspeed are two different things altogether all based on air density, temperature, and ofcourse, the wind.:U:
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22 hours and only 2 pages? You all disappoint me. I figured I'd find at least 1 broken juke box and a couple bar stools in mid-flight.
Oh yeah, here's a teaser: http://dsc.discovery.com/video/?play...eId=1344511100 |
Originally Posted by DazedandConfused
(Post 109088)
Okay you need lift to fly, what if there is a constant high tail wind blowing? I know nothing about flying though.
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lol
Well, the MythBusters test is going to be pretty useless given that it's impossible to create the parameters of the scenario. These types of "problems" are given to Engineering students to get them to use the skills they learned and then apply them in debate to support their findings. There is no way to come up with the answer other than knowing the existing laws of physics. Those laws say that there will be no lift generated. Not being able to run a conveyor with a 100% balanced exponential increase opposing the force of the thrush is whats going to blow the whole test out of the water. This sure is fun isnt it? :pca1: |
Originally Posted by Jazz
(Post 109435)
Then you fly backwards. It just like the energizer bunny he keeps going and going and going unless you put the batteries in backwards the he keeps coming and coming and coming
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Originally Posted by Jazz
(Post 109435)
Then you fly backwards. It just like the energizer bunny he keeps going and going and going unless you put the batteries in backwards the he keeps coming and coming and coming
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:pca1:
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Originally Posted by LOGANSTANFORTH
(Post 108963)
on PS.com i think we had it to like 10 pages of fighting and bickering......it dosent cause lift.......its like running on a tread mill and actually running.......no wind resistance......
For example... If th plan needed 100mph of air speed to take off... It would power up and move down then runway like normal until it got to 100mph and lifted off... the wheels would be spinung at 200mph because the treadmill would be going in reverse at 100mph but that does not matter. It would be like you putting a model car on a tread mill and pushing it forward. the car might move forward at 5 mph but the wheels would be going at 10mph if the tread mill was set to 5mph. The wheels do not provide the thrust. ---AutoMerged DoublePost--- This is on Mythbusters this Wednesday... I put it up in the "racing" section of the sports pool betting... Place your bets!!! |
but you see...the thrust of the plane pushes the wheels forward right? Well the treadmill keeps the wheels from rolling forward. And it's not the thrust of the jet engines that gets the plane off the ground, all the thrust does is push the plane forward fast enough to get the airflow over the wings to provide lift off. So, case in point, you're wrong bobby, it won't fly.
---AutoMerged DoublePost--- and I will take your money too bobby |
Originally Posted by 2001shrtbedcummins
(Post 110338)
but you see...the thrust of the plane pushes the wheels forward right? Well the treadmill keeps the wheels from rolling forward. And it's not the thrust of the jet engines that gets the plane off the ground, all the thrust does is push the plane forward fast enough to get the airflow over the wings to provide lift off. So, case in point, you're wrong bobby, it won't fly.
---AutoMerged DoublePost--- and I will take your money too bobby |
well the wheels move forward at five miles per hour, while the treadmill goes backward to negate the five miles per hour of forward travel.
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Originally Posted by Johnny Cetane
(Post 109431)
22 hours and only 2 pages? You all disappoint me. I figured I'd find at least 1 broken juke box and a couple bar stools in mid-flight.
Oh yeah, here's a teaser: http://dsc.discovery.com/video/?play...eId=1344511100 What kind of plane :humm: http://www.richard-seaman.com/Aircra...erSideView.jpg |
jason -- what do you do there in Tulsa??? PM me if ya don't wanna say it in the open -- I know there are some aerospace companies in Tulsa...
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This is on Mythbusters this Wednesday... I put it up in the "racing" section of the sports pool betting... Place your bets!!![/QUOTE]
what about the Bunny?:sorry: |
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