What I'm interested in lately is the rim drive thruster. duckduckgo.com/?q=rim+drive+thruster&iar=images
These are for water, but a ganged rim drive air jet seems possible. This could make the duct a motive force.
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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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