y tail layout

y tail layout: horizontal span 250 × chord 112, vertical 80 × 90 mm on a 500 mm boom, NACA 0009 surfaces

Exact dimensions. True size, no printing tolerance added. Threads are plain cylinders at the major diameter.

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From the full sheet

Y-tail (V-tail with ventral fin): every size, notes, mating features and sources. What is a Y-tail?