Thanks Gray Beard, but I've not flown it and won't for a while. So I'm not sure how it would fly with a two or three bladed prop...but Iwant to start out with a 3 bladed one. I found a LOT of the threads on this plane, but the big one with the most details was an electric build. I'm guessing I'd use a different prop for a gasser, but I could be wrong. I'm asking first, so I don't throw away my money.