My brother just recieved an evolution 1.00. He put it in a Funtana 90 and loves it. He did mention that it was not an engine that you can run "right out of the box" as advertised. He did some tweaking and it runs fine. You may need more power for this stearman. It is a 14 to 15 pound plane when all is said and done. Let us know how it turns out though.