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The Italian Stipa-Caproni has a tapered duct, or venturi tube, using Bernoulli's principle of fluid movements to make the aircraft's engine more efficient, 1932 (1600×900)

(useruploads.phuks.net)

posted by pembo210 on planes

3 comments

[–] PhunkyPlatypus 1 points (+1|-0)

Wow that's something quite bizarre. I didn't realize the P-47 was not the first "flying jug".