Robert Bonomi wrote:

To minimize these kinds of effects, the space between the surfaces has
to be relatively -large-, the velocity of the air _comparatively_ slow,
*and* you need to let that 'built-up' ram-air effect bleed off in the
only direction it can go -- i.e., _sideways_, towards the tips of the
wing(s).


So, are we looking for a delta wing bi-plane?

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