That was the point.
It was used as an example for the inlet, The duct was actually a ring shape, with cowl flaps just like other radials. In the picture they're open, behind the removed access panels.
FW-190 used Meredith effect but didn't have the blistered cooler. IIRC. Piaggio was more similar to the Shauberger Trout Turbine, venting at the widest part of the body where the air is moving fastest.
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.Without freedom of speech we wouldn't know who all the idiots are. -- anonymous poster
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.Because much of what is in the published literature is nonsense,
and much of what isn’t nonsense is not in the scientific literature.
-- Sabine Hossenfelder
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