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Old 09-23-2020, 05:45 PM   #3567 (permalink)
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Originally Posted by aerohead View Post
1) the 2.8-degree upsweep IS the diffuser. It begins at the beginning of the rear wheelhouse. It has the lowest drag observable for a diffuser.
Incorrect. The literature is actually all over the place for 'best angle for lowest drag' for a diffuser.

Technically, a diffuser will not function if the onset flow coming to it is perturbed.
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