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   >> Cactus Cafe

Pages in this thread: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | (show all)   Rate thread Print Thread
LostinTime
1000+ posts
11/30/07 02:00 PM
Re: Can an airplane takeoff from a treadmill? [re: CottonEyedHorn]

Yep ^
^




Aggy the Home of Delusional Grandeur
The 12th man = 60,000 maroon morons.

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longhrnfan
5000+ posts
11/30/07 02:02 PM
Re: Can an airplane takeoff from a treadmill? [re: CottonEyedHorn]

some people dont understand how aircraft fly.

It seems to defy logic, and people refuse to look into the physics.

Idoits.

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Dionysus
2500+ posts
11/30/07 02:03 PM
Re: Can an airplane takeoff from a treadmill? [re: CottonEyedHorn]

What if the plane were a Harrier with hover capabilities, and it was made of balsa wood filled with helium and the treadmill was in a zero gravity environment? That might work.

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Hayden_HornSponsor
25,000+ posts
11/30/07 02:06 PM
Re: Can an airplane takeoff from a treadmill? [re: CottonEyedHorn]

this question is such [censored]. the REAL question that people should be approaching is this: what is the air speed velocity of an unladened sparrow?




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mez2
2500+ posts
11/30/07 02:19 PM
Re: Can an airplane takeoff from a treadmill? [re: CottonEyedHorn]

what if it's inverted?




Never ask a man where's he's from. If he's from Texas, he'll tell you, if he isn't, don't embarass him



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TrashMaster G
10,000+ posts
11/30/07 02:28 PM
Re: Can an airplane takeoff from a treadmill? [re: CottonEyedHorn]

In reply to:

I say yes, If the treadmill was as long as a runway. Flat surface is all that would be required for take off. If it was a running tread mill it would just make the wheels turn faster, but wouldn't prevent the plane from moving.


So, if we are talking about a runway that is a treadmill down its entire length, you are actually making it harder for the plane to takeoff. The speed of the airplane relative to the treadmill belt is meaningless, and it only represents wasted energy by the engines. The engines would be forced to overcome the rotational speed of the treadmill belt and then provide enough thrust to attain groundspeed over and above that that reaches the rotation velocity for the aircraft.





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texashorne
500+ posts
11/30/07 02:31 PM
Re: Can an airplane takeoff from a treadmill? [re: CottonEyedHorn]

The fat women at the gym never take off anywhere..

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pmg
10,000+ posts
11/30/07 02:46 PM
Re: Can an airplane takeoff from a treadmill? [re: CottonEyedHorn]

Fan? What fan? Who said anything about a fan? There's no fan, and no fly.





never mind.

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miguelito
2500+ posts
11/30/07 03:01 PM
Re: Can an airplane takeoff from a treadmill? [re: CottonEyedHorn]

In reply to:

So, if we are talking about a runway that is a treadmill down its entire length, you are actually making it harder for the plane to takeoff.



Now, if the treadmill was running backwards, it would have a nice slingshot effect.




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miguelito
2500+ posts
11/30/07 03:05 PM
Re: Can an airplane takeoff from a treadmill? [re: CottonEyedHorn]






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CottonEyedHorn
1000+ posts
11/30/07 03:11 PM
Re: Can an airplane takeoff from a treadmill? [re: CottonEyedHorn]

What if the treadmill was moving forward, in the direction of takeoff. Would the plane get airborne any faster?




I'm going to TEXAS

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S197HQQKEM
1000+ posts
11/30/07 03:15 PM
Re: Can an airplane takeoff from a treadmill? [re: CottonEyedHorn]

uh, wouln't them there two vertical bars rite thar in front rip them wings right off as that lillte aeroplane went by?

make a hell of a mess it would.


now if you too a big ass tread mill and hooked it to a aerocraft carrier catapult and then put the aeroplane on top pf the treadmill and then fired that catapult, that treadmill would shoot right off of the end of the carrier whoooooosh!!!!!!!!!!! but what would happen to the airplan on top?




what if it was an osprey?




why am I not wearing any pants?









Be seeing you!

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Superfan
500+ posts
11/30/07 03:24 PM
Re: Can an airplane takeoff from a treadmill? [re: Hayden_Horn]

In reply to:

this question is such [censored]. the REAL question that people should be approaching is this: what is the air speed velocity of an unladened sparrow?


You should probably watch that movie a few more times... A SPARROW?




Vince Young Vince Young Vince Young. Rocks your ass. All night long. The paragon of how to play a football game and we’ll never see better.

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tx 3 putt
1000+ posts
11/30/07 03:25 PM
Re: Can an airplane takeoff from a treadmill? [re: CottonEyedHorn]

I post on hornfans, owned by a person with an airplane degree, and i'll say no.

Are they serving Whataburger or In / Out on the plane ? This factor alone would way the heaviest in my yes / no decision.

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mantaray
500+ posts
11/30/07 03:41 PM
Re: Can an airplane takeoff from a treadmill? [re: CottonEyedHorn]

You just have to know where to look for such answers.




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austintexas
2500+ posts
11/30/07 03:59 PM
Re: Can an airplane takeoff from a treadmill? [re: CottonEyedHorn]

88 miles per hour!!!!




1949 - 1950 - 1975 - 1983 - 2002 - 2005

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chuychanga
500+ posts
11/30/07 04:08 PM
Re: Can an airplane takeoff from a treadmill? [re: CottonEyedHorn]

In reply to:

True, but once the plane passed the fan its airspeed would drop precipitously. If the plane was not moving fast enough relative to ground and wind to meet its rotation velocity, it would crash after it passed the fan.




If a fan was the only thing producing the airflow, the plane would never pass it, it would just lift off and hover. The airflow will produce lift, but not forward motion. You can hover or even move backwards in a small plane if you slow way up and have a big enough headwind.

As has been said, the whole treadmill notion is ridiculous.

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LonghornGirlieAdministrator
5000+ posts
11/30/07 04:12 PM
Re: Can an airplane takeoff from a treadmill? [re: CottonEyedHorn]

African or European? It isn't a question of where he grips it. It is a question of weight ratios.




Hook 'em Horns

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Beau Vine
1000+ posts
11/30/07 04:19 PM
Re: Can an airplane takeoff from a treadmill? [re: CottonEyedHorn]


Yes, as long as the treadmill is strapped to the top of a very fast train.

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kangstaSponsor
1000+ posts
11/30/07 04:23 PM
Re: Can an airplane takeoff from a treadmill? [re: CottonEyedHorn]

I think the more important question here is where the hell are you going to get a treadmill that big? They only come in human size, and maybe dog size. Not DC-10 size




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