Hi Matt, Thank You and I have a lot sanding to do in the next couple of Days. I still think my brand new OS 35 AX will power this airplane very well. I picked up a used 40 sf os engine on ebay for a song and dance and we shall see how it runs on my test stand. i am going to also break in 35 this week and my new 25 ax at the same time.
Thanks
Michael