Just as my name says. I fly an Ohio Model Plane's profile Edge 540 with a Pico .45. I use a 12.25 X 3.75 and at 4 pounds 2 ounces I ca hover at about 1/4 throttle, YES, POINT TWO FIVE!

They have alot of videos on their site as well as pics and guys are using FP40's to hover this plane. 60 bucks for the kit and it builds fast and easy and everything except the two servos for the rudder and elevator is hidden. I did mine in 3 days and I build slow and heavy and still got it at 4 pounds, 2. It has the thickest airfoil I ever seen 3 1/2 inches thick and with a 46 wing span has right at 800 square inches. I wouldnt trade the plane only, after a roughed up landing, for a UCD with motor! 5 inches of aileron, 7 inches of rudder, and 4 inches of elevator at its thick spot.
Amazing plane, and even though I have never done it yet, they advertise climbing flat spins. I would say it is the best, easiest to fly plane I have ever flown!

http://www.ohiomodelplanes.com