Quote:
Originally Posted by aerohead
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.
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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.