Hi mnrcaerobat,

I built one a couple years ago... I did a breif construction article... see it at:

http://www.renderwurx.com/rc/SmithMini/index.htm

I used the .46FX and it flew quite nicely... I think you are on target with a Saito .72... The Magnum .61 would fly it oto, but I think the O.S. .52 would leave you wanting.

Nice little plane... I still have the plans... and often thought I'd blow them up 100% and make a 50% scale one...