Another followup post. The plane is ready to fly. Ended up with the Miss American color scheme. For a short time I was considering buying a Saito 4 stroke, 82 or 91, or using the OS 70 that I already have. I wanted to use the K&B .61 but didn't want the cylinder head sticking out the side. I finally went with the K&B and mounted it inverted. This means there is a muffler hanging out the side, but it's low and not too ugly. It's also much better than having the cylinder head sticking out the side. For the retracts I ended up getting a Hitec retract servo. I figured it would work better than a standard servo. Now I've just got to get it in the air.