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Even if you create a tail that is not ' ideal ' in length, you are still filling in a large portion of you wake...right ?
I would guess that a cropped tail would be less beneficial than your stubby boattail design because you would still have a larger wake with the cropped tail.
( Why would it not be ? )
With the stubby boattail, you would lose attachment and the air would begin to become turbulent, but doesn't that happen behind a truncated tail anyways ? ( And with a larger wake too. )
I'm thinking of the Mythbuster golf balled car post that was posted here on the forum. This sounds like a perfect project to test dimples - after all golf balls are a perfect sphere versus teardrop. Who knows - it just might keep your flow attached longer.
( It would be an interesting test )
I feel embarrased to post sometimes with any suggestions.
I'll let the experts have the floor now.
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