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For aviation freaks: planes clouds and vortices

Author
Indahmawar Fazmarai
#1 - 2015-02-15 09:34:23 UTC
You want to make it HD and full screen. Cool

Flugsnug's planes clouds and vortices

I never suspected that flaps created such strong vortices... It makes sense afterwards but, wow! Lol
Rain6637
GoonWaffe
Goonswarm Federation
#2 - 2015-02-15 13:20:49 UTC  |  Edited by: Rain6637
So that swirl that comes off the top of the wing tips, inward and down... that is a distinct pattern of cones that planes have to avoid when refueling midair. There are specific approach patterns that avoid this turbulence. Generally speaking, approaching from below and behind a refueler is the safe zone. Left or right is bad juju.

That swirl is the drag caused when the faster air flow over the airfoil meets the slower air flow beneath the airfoil.

There was a prop plane design that used rotation (of the props) to counteract the drag, but the design came at the end of the prop era, and never "took off." It was called the flapjack or something. http://en.wikipedia.org/wiki/Vought_XF5U
Indahmawar Fazmarai
#3 - 2015-02-15 14:07:01 UTC  |  Edited by: Indahmawar Fazmarai
Rain6637 wrote:
So that swirl that comes off the top of the wing tips, inward and down... that is a distinct pattern of cones that planes have to avoid when refueling midair. There are specific approach patterns that avoid this turbulence. Generally speaking, approaching from below and behind a refueler is the safe zone. Left or right is bad juju.

That swirl is the drag caused when the faster air flow over the airfoil meets the slower air flow beneath the airfoil.

There was a prop plane design that used rotation (of the props) to counteract the drag, but the design came at the end of the prop era, and never "took off." It was called the flapjack or something. http://en.wikipedia.org/wiki/Vought_XF5U


Interesting tip on the XF5U, I recall having seen some pics of the aircraft but didn't knew about the vortex cancellation concept. Quite cunning, but regretfully it was born out of time...