I think that yes, those two white lines are struts reinforcing the horizontal stabilizer. The unmodified Pitts I am used to has steel cables performing that function, one above and one below on both left and right sides -- they're nearly invisible. This guy has probably beefed it up a great deal. :-)
You can't see the upper tailwheel in that image, which puzzled me; it's barely visible in this one.
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You can't see the upper tailwheel in that image, which puzzled me; it's barely visible in this one.
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