NASA: boat tail diminishing returns
Full-tail = Cd 0.238

Truncated tail = Cd 0.242

Here you can see the phantom tail with a streamline body of revolution in free flight

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Photobucket album: http://s1271.photobucket.com/albums/jj622/aerohead2/
Last edited by aerohead; 05-30-2015 at 03:51 PM..
Reason: add phantom tail
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