Guy's I sure do thank y'all for all the responses, and those that built and flew the Tomahawk what engine did you find worked best on one?
I have an O S 20 and a couple OS 25's ,was thinking about the 25's, but after reading I am re-thinking engine size, what about an O S 15 on the model, and I am thinking about "scratch" building one also. If I had a kit I think that I'd hold on to it instead.
Again I sure do appreciate all the responses...