Frankly - in that size model -you will like do better with a model such as the "Funtana" -or something like that - designed for 3D -and quite light .
The scale models of all the Caps in that size - I have seen -are simply heavy - again, more skilled pilots have few problems in making these turkeys look good but for simply having fun and getting in some good learning of the complex stuff- the very light weight stuff is a better road.
The lightest one I have seen -is the Sig 231 - it can be done at 11 lbs with a 1.4 engine - no mods -