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-   -   Attention Jason Friedlin (Pilot Extraordinaire)- Will It Fly? (https://www.dieselbombers.com/bomb-shelter/8870-attention-jason-friedlin-pilot-extraordinaire-will-fly.html)

Johnny Cetane 01-24-2008 12:31 PM

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?
I say no, regardless of engine type because there isn't enough lift.

All of you other smarty-pantses can play too.
lol


This should be good. :pca1:

Jazz 01-24-2008 12:48 PM

I'm with ya on that one:U: need air movement to create the lift on the wings

DangerousDuramax 01-24-2008 12:57 PM

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:

Johnny Cetane 01-24-2008 01:08 PM


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:

He-he. I know. This is gonna be good. I never even had a physics class in high school. I just winged it. lol

DangerousDuramax 01-24-2008 01:11 PM

lol :psst:

Whit 01-24-2008 01:13 PM

OH NO..........here we go again

LOGANSTANFORTH 01-24-2008 01:21 PM

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......

Johnny Cetane 01-24-2008 01:57 PM


Originally Posted by Whitmore (Post 108957)
OH NO..........here we go again

For some side action I'm thinking about starting a "What's better- Republican or Democrat?" thread depending on how this one does.

Whit 01-24-2008 01:59 PM


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:

jasonfriedlin 01-24-2008 02:11 PM

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:

DangerousDuramax 01-24-2008 03:13 PM


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:

Johnny Cetane 01-24-2008 03:33 PM


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:

There, there little feller. :itsok: You'll always be cloud hopping hero. :pals:

You'll get there. Make all your mistake now while you have an empty plane. :up2: lol

2001shrtbedcummins 01-24-2008 04:00 PM

What happened Jason?
And good job johnny on opening up one big arse can of worms.

jasonfriedlin 01-24-2008 04:03 PM

Yeah, it ain't no big deal, gonna try it again tomorrow if the weather cooperates with me

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I didn't recover from a stall fast enough and let the airspeed get a lil to hogh and he failed me for it

Johnny Cetane 01-24-2008 04:17 PM


Originally Posted by 2001shrtbedcummins (Post 109040)
And good job johnny on opening up one big arse can of worms.

Meh. Nobody's playing though. I'm gonna call Mythbusters.

redneckbuckeye 01-24-2008 05:13 PM


Originally Posted by Jazz (Post 108946)
I'm with ya on that one:U: need air movement to create the lift on the wings

Exactly

DazedandConfused 01-24-2008 05:34 PM

Okay you need lift to fly, what if there is a constant high tail wind blowing? I know nothing about flying though.

2001shrtbedcummins 01-24-2008 05:43 PM


Originally Posted by Johnny Cetane (Post 109053)
Meh. Nobody's playing though. I'm gonna call Mythbusters.

Mythbusters is gonna do that this season some time. I'll be glad to, I've pulled my hair out arguing over this one for way to long. IT WILL NOT FLY!!!

06 DIESEL 01-24-2008 05:47 PM

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.

DazedandConfused 01-24-2008 05:48 PM


Originally Posted by 2001shrtbedcummins (Post 109089)
IT WILL NOT FLY!!!

But what if you adjust the dewflux inhibitor, back down the preasure on the conooter vavle and crank up the flux capacitor?:pca1:

DangerousDuramax 01-24-2008 06:28 PM


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:

Holy crap I think you figured it out!!! I'm gonna be ri....I mean, YOU'RE gonna be rich. :w2:

DazedandConfused 01-24-2008 06:34 PM


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:

:5::bombin::da::D:D

2001shrtbedcummins 01-24-2008 06:42 PM


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:

It still won't fly.

jasonfriedlin 01-24-2008 08:21 PM


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:

Benjamin 01-24-2008 09:12 PM

don't worry guys the answer will be revealed at 8CST/9EST next wednesday night on Mythbusters....

2001shrtbedcummins 01-24-2008 09:53 PM

1 Attachment(s)
Attachment 58988

DazedandConfused 01-25-2008 05:59 AM


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:

Thats what I thought.

Johnny Cetane 01-25-2008 10:32 AM

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

Jazz 01-25-2008 10:47 AM


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.

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

DangerousDuramax 01-25-2008 10:55 AM

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:

Johnny Cetane 01-25-2008 10:55 AM


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

lol lol

DangerousDuramax 01-25-2008 10:56 AM


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

lol :lol:

DangerousDuramax 01-26-2008 06:51 PM

:pca1:

RSWORDS 01-26-2008 09:19 PM


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......

But runing on a tread mill you legs are creating the "push" or trust.... On a plane the wheels free spin and the engines give the "push" or thrust. If a plane was proprlled on the ground by its wheels then no it would not work.

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.

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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!!!

2001shrtbedcummins 01-26-2008 09:23 PM

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

RSWORDS 01-26-2008 09:30 PM


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

How does the the treadmill keep the wheels from rolling forward? The wheels are free spinning. If it was a car or truck then no. it would not move. And you are correct the thrust does not give lift... it causes the plane to move and create lift.

2001shrtbedcummins 01-26-2008 11:00 PM

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.

2500HeavyDuty 01-26-2008 11:14 PM


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

Well of course it full scale would never work, they're using a Toyta to pull that tarp :s:


What kind of plane :humm:

http://www.richard-seaman.com/Aircra...erSideView.jpg

Blue01F250 01-27-2008 03:59 AM

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...

Jazz 01-27-2008 05:43 AM

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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