Billy,
I had a scratch build knife. And currently flying gators old "florida Gators Knife" And the scratch build knife flew alot better than the knife ARF. The main reason I think it flys better, it because the kit or scratch built is about 9ounces lighter than the ARF.

After Christmas I will start on a scratch build knife. It was build by a friend.. Now I have to cover it. I am hoping to have it done by this time in Jan. But, things are going to have to slow down at work.