Biplane with narrowed wing gap. Behavior?

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Offline Supervolant

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Biplane with narrowed wing gap. Behavior?
« on: 20/10/2016 20:11:47 »
Hello everyone! :)

I have a question about the behavior of planes (aerodynamic) and their wings, specially biplane wings.

Imagine a biplane from the side. Now narrow the wing-gap down from about 1-2 meters to 50 centimeters or even less.
Now we should have a less standard tight gap between the upper and the bottom wing pair and a very unusual looking plane.

What would happen? Would there be no difference at all or would it have lasting advantages / disadvantages? What is the behavior at all...?

Would be nice to hear some voices on this one!
Have a nice day anyway.

- RG


Offline alancalverd

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Re: Biplane with narrowed wing gap. Behavior?
« Reply #1 on: 20/10/2016 21:52:34 »
Possible marginal increase in lift. Horrendous increase in drag. See "slotted flap"
helping to stem the tide of ignorance