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Aerohead I have a question for you if I may. Looking at the shape of the template discussed, it's easy to see how this shape will create minimal drag. What I'm working with is a 25 foot class C motor home with the typical square box rear end, which presumably creates huge amounts of drag.
I'm going to build a cone for the rear to see what effect it has. The height of this vehicle makes following the lines of the discussed shape impossible to follow without making the cone as long, or longer than the body, which is not practical. Can you give me an educated guess of what shape might be the best compromise for the 'square' rear end of this type of shape, or do you think the compromised resulting shape would be worth the effort?
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