I was in Seattle this past week and had about an hour after work to drop into the Museum of Flight at Boeing Field. They have a replica of a Stinson Model O aircraft on display. The original Model O was built in 1933 for the Honduran Air Force. Stinson used the wings and tail of the Stinson Reliant and mated those to a fuselage with two open cockpits, the only open cockpit Stinson model ever built. Nine airplanes were built in total. They used a 220 hp version of the Lycoming R680 engine. The airplane on display used the wings and tail from a Stinson SR-5 Reliant, with the fuselage and wing center section constructed based on photographs. It first flew in March of 2010. You can definitely see the lineage between the Model O and the V-77.
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| Stinson Model O |
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| Boeing Model 80A-1 tri-motor in foreground |