Logo 600sx low head speed what tails

[Stuarty]

Hi guys,

I'm setting up a SX and am only going to sport fly it, as I am no 3d pilot. I have settled for the 700-45 motor 11 tooth and a 12 in the spares box! I'm going to fly big loops and thinking 1800-1900 head speed.

I have Edge 623 blades on her, should I up tail blades from 95 for better tail holding??

Thanks
Stuart