I guess I haven't looked that closely. And yeah, I do remember Pete's Tripe...I wonder how much he replicates in the "inside" stuff. For my money, he's the Master of WWI scale.
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In this new (rear) photo of the SE5a, the alignment of the stab isn't so far off...perhaps just half a degree or so, which I can easily correct with the wires. Maybe it was some kind of optical illusion going on before. There's also a slight twist to the elevator halves.