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enter image description hereCan anyone identity the aircraft in this photograph (taken late 1920s or early 1930s, I think)? It belonged to my great-grandfather, who lived near Milwaukee, Wisconsin, however, I have no idea where the photograph itself was taken. The plane seems similar to a Stinson SM-8.

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You are correct; it's a Stinson Junior. The engine in the old pic is definitely a Wright Whirlwind, based on the exhaust port orientation and the valve covers, and having 7 cylinders, means it's probably a Whirlwind J-6-7 760 cubic inch radial. That means it's likely a Junior SM-8B, or possibly an SM-2AC, both of which had that engine.

enter image description here

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  • $\begingroup$ Thank you for your help. I couldn’t figure out why the engine seemed different from other photographs of that model, and was confused by the lack of a window behind the door (again, what I’ve seen in other photographs). $\endgroup$
    – user64852
    Commented Aug 14, 2022 at 8:57

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