Frogs84ss, That is a very clean build- good work! FYI, you may have seen this in David's light set up video, but for the rear mount motor, its imperative to put as much weight as forward as possible (servos, esc, etc) so that you can obtain proper cg with a decent size battery. Especially if you plan on using the prop drive power system which weighs much more than this one. With this set up, I'm sure you would need a 2200 3s way up front to get balance. As Bolvon72 mentions, with his Suppo, he needs to have his 1800 way up in the nose which means you have no room to move battery for experimentation. If you move servos and esc forward close to the cg area, you'll be able to use an 1800 a little further back and have some flexibility for experimentation. Of course, this would require esc extension wires. The other option is to use a 2200 3s or better up front, but the your build weight skyrockets!
As an outside experiment, you could also add a KF2 airfoil which would creat extra lift at the rear to help shift CG in flight. I'll be experimenting with the proper KF configuration once I see how it flies with no KF.
yeah I figured I'd put it together and see how it goes. it balances with a 300 3s pack. putting me at 25 oz. I'll build another one when I get my edf next month. I'll most likely never get the prop drive set up in this plane. thanks for the advice though.