RE: Hard to find a setup that will work.
I have a E-flite power 160 with a castle HV 85 20X11 APC E prop in a QQ 72 inch yak and It is unbelievable I have flown it for years with a os 120 supercharged (2.5 HP max) and now it is 3.9 HP and flies so much better. It does not even seam like the same airplane