NASA has w web site with copies of NACA papers. Sorry, I don't have the
URL handy.
Bryan
John Beckett wrote:
>Mike
>
>My history may be way off base here, but I thought that NACA was the early
>version of NASA. That the testing on these ducts was late 1940's. And yes
>aviation was trying to crack the sound barrier at that time. Have noticed on
>747's and the like, which are sub-sonic, that they do use the NACA duct on
>the fuselage. But as you mention all this doesn't mean that they will work
>correctly.
>
>JB
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