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Old 06-08-2013, 04:21 PM   #3 (permalink)
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Originally Posted by aerohead View Post
In past reporting it was aid that separation vorticity can cause a collision normal to an aftbody truncation,imparting a small degree of forward thrust.Some Corvettes were designed with this in mind.
With an opening,there is no surface available for which this impact to impinge and the kinetic energy is lost to viscous attrition within the box cavity.
I'm sorry, I'm one of those guys that knows just enough to get myself in trouble (which seems to have happened here ). Can you put that in layman's terms for me. So is it a good idea (aerodynamically) to have the door open? I'm lost...
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