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Aren't all cylinders rectangular? Excepting [s]non-parallel[/s[ right angle end caps?
My point had to do with putting a balance beam with two models in a wind tunnel. (Or on a platform on a moving vehicle).
At Permalink #29 I showed Wally Byam's teardrop with a 50% radius on the front edges. Airstream have brought this back in their Base Camp model.
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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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