Quote:
Originally posted by Rockaholic:

Yes, Madman - I posted on page 37 at the start of the post that I made an error in the previos 3 posts.... :rolleyes:

Um, you can't say you pointed that out, because I pointed it out for you by [b]posting that I made a mistake...[/b]
Did I ever say I pointed out your specific argument?

There are many people posting in this thread. It is not a conversation between just you and I.

In the future if you want me to comment on something specific that you wrote, just quote yourself and reprint the specific point instead of just saying "back on page whatever". The thread is growing too fast.

Quote:
That is because the rear wheels are moving in relation to the ground (otherwise planes wouldn't be able to take off of a normal runway) and because the distance between the wheels remains constant the front wheels would have to move forward in relation to the ground on the conveyor to maintain the constant distance. Now (this is important)unlike a car, the front and rear wheels of a plane are all the same in that they are free spinning and do not create the forward motion of the plane, they mearly react to the forward motion of the plane. Since the free spinning front wheels move in relation to the ground on the conveyor this means the rear wheels (being constructed identically) will also move forward in relation to the ground on the conveyor. That means the conveyor does not cancel out the forward motion of the plane! That means with all the wheels on the conveyor the plane will move forward in relation to the ground, even if the plane starts with all of the wheels on the conveyor.

Since the plane is moving in relation to the ground on the conveyor, then the plane has a groundspeed and a windspeed, and does in fact take off.
I have to say, your scenario with some wheels on the conveyor and some wheels not on the conveyor is ridiculous. It has nothing to do with what we are discussing. It actually is creating more of a problem because once you do things like that, we are no longer discussiong the original scenario. In the scenario being discussed the plane starts off on the conveyor belt runway. Remember it is "standing on a runway that can move".

You are also making a huge assumption in what you wrote above. You are assuming forward motion of the plane. I don't think anyone disputes the fact that if forward motion exists, the plane will take off. But, the problem with your argument is that you are assuming said forward motion.
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