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