This old chestnut

[Tangledfeet]

@Tangledfeet care to weigh in?

Not had the time to contribute as too darn busy at work, and just finished an online parents evening tonight!

I don't reckon it'll take off; lift is generated by the wings and there's no air passing over them - there's no forward speed as thrust created by the engines is negated by the conveyor belt.

(Not had time to work through the previous pages...)

 

[Screwdriver]

It's not in a vacuum.

 

[optima21]

I havnt a clue what will happen, there is too much information missing to make a descision.

 

[Screwdriver]

I havnt a clue what will happen, there is too much information missing to make a descision.

It is deliberately vague. Seems there are two camps in this thread: those who think the conveyor belt is headed in the same direction as the plane and those who read the question properly.