I was thoroughly interesting right up until the narrator called Viktor Schauberger a crackpot.
It mentions French interest before the Australian 3/5ths replica. Perhaps that accounts for the French interest in the Coleopter
Quote:
Coleopter
A coleopter is a type of VTOL aircraft design that uses a ducted fan as the primary fuselage of the entire aircraft. Generally they appear to be a large barrel-like extension at the rear, with a small cockpit area suspended above it. Coleopters are generally designed as tail-sitters.https://en.wikipedia.org/wiki/Coleopter
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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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