P:

Hmmm....... After some more thought.

Incidence of a flat-bottom wing with a "canard" stab way out front should probably be zero/zero. Can't explain why, but that's my instinct. The weather-vaning vertical fin out front is an innovative solution, I like it! That will help, but not eliminate the problem because there is a lot of fuselage side area up front there. I wouldn't worry too much about rudder control right now.

With the long moment arm of the canard you may also be pitch-sensitive because the plane is going to be flying that "canard" rather than dragging it around as a stab... Now you have to count that canard lift in the center of lift equation, and I think this is going to make you want to shift the center of gravity forward w/r/t direction of flight... like a bunch. Maybe even as far FWD as the LE (w/r/t flight direction) of the main wing.

If I were doing this... and I just now might try it... I would take some sheet foam and some of the electric stuff I have laying around and mock this thing up about 1/2 to 3/4 your desired final size and try it out.

Another thing to remember is that with the canard out front, your elevator throw direction is REVERSED from what you are used to. to make plane go up, the "elevator" needs to go DOWN!

Another thing to consider is that if you use tricycle gear set up backwards the ground handling will be ultra-ultra bad. Bring it in nose high will cause you to contact the central "nosegear" first and you'll be all over the place if you can even hold onto it.

If I ever get my house in order and get the workshop usable I might just try this myself.... I have an old RCM with a push/pull canard plan, and it has a long nose moment and flat canard. Let me check the CG and incidence on that plane and get back to you.

N