Here you can find an article about the Stearman powered by a 40cc seidel radial. I think it must approx weigh very similar like mine.
http://www.vth.de/archiv/texte/fmt2006_05_022.pdf
There currently is a Jamara stearman with 1.96m available from
www.modellhobby.de
but there are two things I don't know/ dislike.
The decal scheme is horrible.
I nver heard good things about jamaras planes. Does anyone know about the jamara stearman?
Rgds from Germany.
Stefan