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Old May 22nd 17, 07:37 PM posted to alt.binaries.pictures.aviation
Byker
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Default Caproni Stipa (Flying Barrel) pics 1 [01/11] - Construction-phase-Stipa-Caproni3.jpg

"DAN" wrote in message ...

wrote:

Is there any benefit to this design?

Yes: the venturi tube effect.
https://en.wikipedia.org/wiki/Venturi_effect

When I first saw it, it reminded me of the "Turbo-Tube" of the 1960s

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