When my grandpa died back in the early 80's, my dad and his siblings divvied up his possessions to pay bills and for keepsake.
one of the things my grandpa and I have, or had, "I" have in common with him is love of airplanes. He even built a full scale " 1/1th scale" airplane when he was a young teen with his slightly older brother.
and It flew!
I would have done the same thing if my parents didn't keep a much stricter eye on me than my great grandparents did for my grandpa.
but anyways, one of the things my dad got from him when he died was a Sterling Co Great lakes trainer.
My dad never got around to building them, and since i had such