I'm sticking an OS 55AX on a Hanger 9 Tribute and would like a good 3D prop.I'm not concerned with speed,I'd like great vert. The plane should weigh right at 4lbs give or take a couple ounces. I know the airframe won't survive long with the 55 on it but I didn't want to buy a .36 yhat would never see use on anything else.I figure if I don't do any speed runs it might just last a little while.

A 13x4 works great on that engine, generating a lot of thrust. The wooden Xoar 13x4 is super light and throttle response would be outstanding.

I agree on the 13x4 xoar. Also try a 13x4 MA K series.