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View Poll Results: Can the plane take off?
Yes, the plane can take off 50 56.18%
No, the plane cannot take off 39 43.82%
Voters: 89. You may not vote on this poll

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Old 2008-01-31, 08:23 PM   #166
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I would say it can't.. Don't planes use air resistance to stay up?

if not, im stumped.
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Old 2008-01-31, 10:30 PM   #167
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they did it on mythbusters, the conveyor doesn't hold it back. i am a jr aeronautical engineer. a plane moves by using a propeller, not a driveshaft like a car. the plane WILL take off. its wheels will just spin faster. question solved!
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Old 2008-01-31, 11:07 PM   #168
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I love this thread
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Old 2008-01-31, 11:10 PM   #169
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i am a jr aeronautical engineer
I can fold paper airplanes, too! *high five*
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Old 2008-01-31, 11:12 PM   #170
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I can fold paper airplanes, too! *high five*
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Old 2008-01-31, 11:14 PM   #171
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@maestro8 : *High five*
"trop LOL!!" as young people say here
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Old 2008-01-31, 11:19 PM   #172
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Get something as heavy as an airplane. A really, really big rock or a whole lot of cows. Throw it (them) up into the air. Do they fly? No. They're too heavy. Question solved.
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Old 2008-01-31, 11:44 PM   #173
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In all seriousness...

Doesn't a airplane have to have a lot of speed (depending on the plane) to take off? So if it is on the treadmill sitting still in relation to everything else, then at the moment the wheels leave the treadmill it will still be staying still. When does it get up to "flying speed"?

Just curios, regardless of if it works. I'd like to see that mythbusters episode, especially if they used a full size plane....
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Old 2008-02-01, 12:18 AM   #174
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Originally Posted by forrestunifreak
In all seriousness...
Doesn't a airplane have to have a lot of speed (depending on the plane) to take off? So if it is on the treadmill sitting still in relation to everything else, then at the moment the wheels leave the treadmill it will still be staying still. When does it get up to "flying speed"?
Just curios, regardless of if it works. I'd like to see that mythbusters episode, especially if they used a full size plane....
Read my post above....
Also, here is a part of the episode, where he explains why people are confused:
http://www.youtube.com/watch?v=S377HwOthjo

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Old 2008-02-01, 01:06 AM   #175
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Quote:
Originally Posted by harper
Get something as heavy as an airplane. A really, really big rock or a whole lot of cows. Throw it (them) up into the air. Do they fly? No. They're too heavy. Question solved.
Greg, you're going about this all wrong!

If you stood on top of a cliff and threw those cows down, they'd continue flying straight down. Same with the big rock.

So, yes, rocks and cows can fly! Question solved.
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Old 2008-02-01, 01:13 AM   #176
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Greg, you're going about this all wrong!

If you stood on top of a cliff and threw those cows down, they'd continue flying straight down. Same with the big rock.

So, yes, rocks and cows can fly! Question solved.
Are you a crackpot or just a cracker? Cows and rocks fly down due to gravity, the same thing that makes unicycling or juggling impossible. Go spout your creationist theories in one of the religion threads. There is no room for faith-based science here.
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Old 2008-02-01, 01:15 AM   #177
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Old 2008-02-01, 01:29 AM   #178
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Cows and rocks fly down due to gravity
You better hope Billy doesn't read your post. You must be one of those IN SUBMISSION TO SCIENTOLOGIFIC AUTHORITY!

Quote:
Originally Posted by MuniAddict
No lift, no fly.
So you're saying, if there's no elevator nearby, then I don't have to worry about houseflies?

Or are you saying, if the plane sits on the ground, it isn't flying?

You're too terse to make any sense, here, Terry. Please elaborate.
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Old 2008-02-01, 04:01 AM   #179
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IN SUBMISSION TO SCIENTOLOGIFIC AUTHORITY!
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Old 2008-02-01, 06:27 AM   #180
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Quote:
Originally Posted by forrestunifreak
Doesn't a airplane have to have a lot of speed (depending on the plane) to take off? So if it is on the treadmill sitting still in relation to everything else...
It's only sitting still in relation to the air until its propeller or jet engine start pushing/pulling it forward. They don't push off the ground, they push off the air. Seriously, you didn't read the previous 172 posts now, did you?

BTW a plane can, in theory, fly stationary. All it needs is a headwind that's faster than the plane's stall speed. Then it can fly without going anywhere in relation to the ground, or even backward. As long as the air is pushing against the wings to hold them up. Ground speed is not relevant in either case.
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