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freebeard · 03-19-2021, 09:48 PM

I don't think you can. Cd is a dimensionless number.
en.wikipedia.org/wiki/Dimensionless_numbers_in_fluid_mechanics
At most you could estimate A, for area (~78-85%).

03-19-2021, 09:48 PM	#2 (permalink)
freebeard Master EcoModder Join Date: Aug 2012 Location: northwest of normal Posts: 27,712 Thanks: 7,780 Thanked 8,586 Times in 7,070 Posts	I don't think you can. Cd is a dimensionless number. en.wikipedia.org/wiki/Dimensionless_numbers_in_fluid_mechanics At most you could estimate A, for area (~78-85%). __________________ . .Without freedom of speech we wouldn't know who all the idiots are. -- anonymous poster ____________________ . ."We're deeply sorry." -- Pfizer