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Old 06-23-2021, 05:39 PM   #14 (permalink)
JulianEdgar
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Quote:
Originally Posted by aerohead View Post
I'm referring to the sides. They're unbounded by 'burst edges' which might 'fix' the separation line.
We don't have an overhead view.
In that case you're confused, I think.

Hucho's reference to bistable flow (in your words - 28-degree-to 32-degree range, where the separation line jumps between a fastback and squareback wake pattern) is nothing to do with boat-tailing, it's to do with the vertical angle of the rear hatch.

The lack of separation edge is obviously causing the feathery side separation - nothing to do with hatchback versus squareback flow patterns.
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