justacarguy.blogspot.com/2022/09/piaggio-grip-p-7-1929
It never flew. Taxi tests only, and problems with the clutches meant it never made the 1929 race.
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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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