I' m going to replace the tail with the heavier one and move that cg back some more and retry. I have put some reference lines on the wing in 1/4 in increments going back to 5 1\4 in from leading edge so I can quickly experiment at the field.

Can you help with other aspects of it's flight performance?

As I said it has a high fuz to enable slow Knife edge and it is certainly capable as I managed to knife edge past me at walking pace in a brisk wind and it also does a good knife edge harrier.
The problem I have is that it pulls to the canopy quite a bit and I'm guessing this is because the stab is on the same line as the wing and needs to be raised a little but most annoying is that it wants to keep rolling to inverted.
So what I mean is as I roll to the left and apply right rudder then I have to fight with the ailerons to stop it rolling inverted but cannot just hold a bit of right aileron either as it will easily roll out right side up if I I go further than the 90 degrees.

The rudder is larger at the bottom than the top but has a counter balance and there is very little fin area. The bottom of the plane is straight throughout it's length and the rudder is level with the bottom. I was wondering, as I roll left and holding right rudder the area at bottom is wider so therefore lift the bottom of the plane and the counter balance also pulling the top of the fin down. Is this relavant or am I way off bat here? I have seen other planes with large rudders this shape but I may of over done it.