I borrowed a set of drawings for the Rv 4 and drew
something up.

The two ducts are not ideal but there are a minumum
number of modifications to the structure of the RV 4.
Also the engine hot exhaust air should pass between them.

The outlets are right under the leading edge of the 
stab to take advantage of the low pressure area
there. The inlets of course are under the wing
to take advantage of the high pressure area there.

Paul Lamar
 
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