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Old 06-27-2015, 01:39 PM   #10 (permalink)
aerohead
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interpret

Quote:
Originally Posted by aerostealth View Post
I am having a little trouble interpreting the Hucho drawing too? I think that the very bottom drawing means the two sides and the bottom are tapered in 10 degrees, and the top is at 25 degrees. The second drawing from the bottom may just have strait sides? Aerohead needs to interpret this drawing for us. As I understand it, curved sides are best, but when using flat panels these angles are required to approximate what curved panels would do.
*yes,the sides on the bottom image have 10-degree plan-taper into the page.It's the only configuration tested with plan-taper.
*there's nothing in the literature comparing this design to that of one with curves.
*all we can infer,is that if we build exactly as shown,we can expect these kinds of results.
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*The GM 'OPTIMIZED' boat tail (classified) has progressive edge radii at all intersections and is superior as it produces zero vorticity,but would require maybe 5-X fabrication time.

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Last edited by aerohead; 06-27-2015 at 01:41 PM.. Reason: add image
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