Float test complete. Radio gear is in and battery is strapped on to balance. It looks like it is going to be a bit tail heavy. I have several options, make a hatch in the rear to hold the battery, mount the servos in the tail on the fuse, or add a bunch of lead to the tail. I know I will have to worry about waterlogging the servos if they are on the back unless I can waterproof them. The battery in the tail will require a little reinforcement back there. And then the lead, well, I just don't like to ever do that.
Well, here are the float test pictures. Any constructive criticism I can get will help me out in the long run so have at it. I think there is plenty of floatation in the tail and main floats. The water level in the rear might have been just a little lower than the front float wheel barrow water so the tail will actually sit a little higher in the water and the front floats will have just slightly less angle of attack in the water.