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A V tail has less drag than a conventional tail, because there are fewer intersecting surfaces. A T tail is slightly lower drag, I think, because the intersections are farther apart? But the structural simplicity of the V tail gives it a bit of a weight advantage, maybe?
I am surprised a bit by the slim wings, and slender wing section.
The wing tip motor pods would seem to alleviate the vortex drag, I think?
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