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Post by Baz on Feb 15, 2008 9:27:50 GMT 1
Is that a suuuuurname in France............French that is ?
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Post by Baz on Feb 15, 2008 9:30:40 GMT 1
Bustaardie........Thats wortha tick
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Post by nm on Feb 15, 2008 12:16:10 GMT 1
All that Latin came from Rome, I guess.
NM
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Post by Baz on Feb 15, 2008 13:21:25 GMT 1
................pathetic nm ;D ;D ;D ;D But I'll give you 1 anyway
Baz
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Post by nemesis on Feb 15, 2008 14:41:15 GMT 1
That sounds perfik, mate.
The principal stll holds with the Harrier. For VTOL the Harrier vectors it's thrust ports toward the ground, so it acts in much the same way as a rocket. I.e. it relies on it's power to weight ratio to "push" it off the ground. The wings are redundant at this time (except for handling any airflow produced by the wind) until it moves into forward flight. To move into forward flight, the vectored thrust ports turn up so they point rearwards, pushing the aircraft forward in the traditional way. The airspeed increases over the wings, lift increases and Ethel's yer Aunty, we have normal flight again.
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Post by eric on Feb 15, 2008 14:41:52 GMT 1
Throws hands into the air in despair, and walks off muttering to himself.......
Yes, if the plane is stationary, it will not take off........but it won't be stationary, because the props, (or jets) will be thrusting the aircraft through the air forward. The wheels are just dumb round things that allow the plane to move in relation to the ground.
Ipso facto. (Never did Latin at school so I probably got that bit wrong, mind!!!)
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Post by nemesis on Feb 15, 2008 15:19:41 GMT 1
Lol Eric, you're part right. The wheels have absolutely nothing to do with it. But whilst on that conveyor belt in the original question, the airplane IS stationary in relation to the ground. Yes it is getting thrust from the engine but it is not pushing it through the air because it is not moving forward. the only thing that is moving is the conveyor belt... Oh and the wheels, lol.
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Post by afkmatrix on Feb 15, 2008 15:34:58 GMT 1
Well thinking about it in the original question it doesn't actually say the engines are on tbh. So surely if it was stationary and as the wheels will create friction the plane will actually go backwards, just like in that second video when he switched the conveyer belt on and he wasn't giving any power to the plane. Oh and sorry for starting a war rofl. I will be round in the morning for the firing squad as it seems I must be shot rofl
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Post by nemesis on Feb 15, 2008 15:39:23 GMT 1
LMAO! It ain't a war. It's a, umm..... passionate discussion. Still, you may wanna consider a kevlar vest for a while, lol.
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Post by eric on Feb 15, 2008 15:39:47 GMT 1
Blindforld and cigarette?
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Post by Mark on Feb 15, 2008 16:07:52 GMT 1
or any other last request - like asking Nem to stand in front of you
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Post by Mike B on Feb 15, 2008 16:57:54 GMT 1
Eric, the only thing that video proved was that the aircraft was moving too fast for the conveyor belt to keep up. The original question was, would the aircraft take off if the conveyor belt matched the aircraft's speed in the oposite direction. and the answer is still no, lol. Amen!
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Post by Mike B on Feb 15, 2008 17:01:11 GMT 1
Blindforld and cigarette? The firing squad should not offer the prisoner a cigarette, it's bad for your health! ;D ;D ;D
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Post by eric on Feb 15, 2008 21:37:28 GMT 1
Ok......Ok......erm.......right.......
M'lord, I put it to you and my esteemed colleagues that the aircraft will take off....and I enter into evidence exhibit A.
Imagine, if you will, the the aircraft no longer sits on the tarmac of a runway.....or indeed for that matter, on a conveyor belt.....but instead sits on a surface of perfect ice, smooth as the proverbial.
Now imagine, my learned friends, that the aircraft has no wheels, only skates. Imagine, m'lud, that the aircraft throttles up and begins to move.....and behold, so does the ice, only backwards....and at the same speed as the aircraft, matching it precisly!!!
Can the ice moving backwards keep the aircraft from accelerating forward? I say NO, m'lud it could never stop the aircraft......but why not I hear you cry!
One word sir......one word......FRICTION......or to be exact, the LACK of friction, for the ice has no hold on the aircraft to stop it moving forward relative to the air!!!
And so, m'lud, I ask.....what is the difference between the ice and the wheels? why none at all, none at all Sir!!
I rest my case.
What? an appeal? very well.......
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Post by nm on Feb 15, 2008 22:00:06 GMT 1
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