Hot Wheels is 1/64th scale. aerohead will have an opinion on the Reynolds numbers involved, but in air 1/4-1/5th is minimal. Maybe you could find a 1/10th scale R/C body.
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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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