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Old 10-08-2018, 02:43 AM   #6 (permalink)
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Thanks for any help/advice (accept "sell it")
Accept ≠ except. Sorry, but you asked.

One of our forum members has had success implementing this design as a way to radius a square corner without cutting into it.

At the doors, it might need a concave inner half. I've had less success with this:

But modern bus design follows the principle of this stap-on:

So maybe you could add a cab-capper with a little added frontal area and show a net gain in Cd. Would you be interested in a retractable boat tail back porch? What's the use case anyway?
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