I built the BUSA Bristol Monoplane a number of years ago. It is of similar size, although it does have a trusswork fuselage. It has a reputation for tailheaviness that I ended up addressing with a honking big engine (an Irvine .72). It is also an airplane that can benefit from a built up tail rather that the all sheet structures that are provided. I ran a 14-6 prop that looked a lot more scale without overspeeding the plane too much. Lucky Dog's comments on aileron differential are right on target.