Isn't it possible to just buy pre-formed NACA ducts? Why go to all the
trouble of fabricating to a formula when you can buy something that
is pretty close? I think I saw them in the Pegasus catalogue.
> I am restoring a 1972 B/SR car that originally had large NACA ducts in
> the doors. These ducts the aerodynamic ducts still used in sports
> racing cars and the windows of NASCAR cars. I know there is a very
> strict formula for their design but have been unable to find it. Does
> anyone know the formula for the dimensions or somewhere to search?
You might also ask a race car fabricator in your area. No doubt he'll
try to sell you some he makes. ;=)
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