Paper airplane demonstration of thrust and drag

Physics in action.
westysays...

um WTF BBQ lol

so obvious and simple but also counter intuitive in many ways (if your not aware of the physics ). its always cool to see visual demonstrations of physics using basic objects or highly visible objects that everyone is used to using.

Its like the first time you see a magnet float its just a WTF BBQ moment.

westysays...

Having thought about it this demonstration might be more demonstrating an object getting cought in verticies rather than a "plane" floating due to force equilibrium.

basicly the fact that this is shaped as a plane is irrelivent it could be manny shapes so long as it would remain within the feild and of a waght that can be suported by the vortesices.



it allso remains possable that this is faked as it apears to be balencing on strings , forgetting that for a second it would still be intresting to achive if you could produce 2 clean air flows and a balenced object.

nocksays...

Yeah, it may very well be fake (anyone with 2 identical fans and some paper at home?), but even with string I'm not sure I could do this convincingly. If it's post=production editing then that would be a little easier to do.

IronDwarfsays...

Seems phony to me too. Too many eddies and currents that would collide exactly where the plane is supposed to be perfectly still, especially outside where any little gust of wind would push the plane around.

ReverendTedsays...

Yeah, I'm going to go with fake on this one. Notice how the plane wobbles slightly in his hand before it's lowered completely, and then suddenly becomes rigid as he appears to push down on it slightly, then becomes unstable again when it's released. And then there's the noise when it "exits", as if it's sliding against something on the way out.

Ah. Well, when a piece like this is in the same collection, one might begin to suspect.

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