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Originally Posted by JacobLeSann
Thank you aerohead. I’m thinking a kammback will be the correct course although I’m wanting to and tuft test the stock bodywork first.
I think modifying the rear hatch into a Kamm profile could be even better than just attaching plastic add-ons to it, and if done correctly could increase storage space.
What are your thoughts on the Volvo 3CC, aerohead? I haven’t seen this concept mentioned much on this forum.
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I would want to remind you and everyone else that 'tufts' will not necessarily reveal airflow phenomena as 'smoke' would. Attempting to interpret what the actual flow is solely with tufts can potentially lead you down a rabbit hole.
We know this from the Porsche 911 ( 901 ), VW New Beetle, and 2011 Audi A7 specifically.
One can easily mistake separation-induced 'downwash' for 'attached flow,' which can be 'fatal' as far as aerodynamics goes.
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The Volvo is borrowing from 1920s Airship under-slung control cars, Rumpler's 1924 'boat' Limousine, Ludwig Prandtl's 1937 'Lange' car, of which Dr. Erwin Komenda created Porsche's lowest drag 60K10, Berlin-Rome racer , R.G.S. White's 1969 MIRA 'recipe' car, 1978 D-B, M-B C-111 III, Daihatsu UFE-III, VW 1-Liter car, MG EX-181, so many others........., where the greenhouse is 'disappearing' both in side elevation and plan-view. Your challenge will be a 'narrow' DOT-approved, laminated safety glass windshield which will run you $1,000-$10,000 depending on source.