When RC Homebuilts made something like the Long EZ they said the incidence of the canard was 3 degrees and that canards as small as 4" in chord length did not work
I think what may work better for control, is if the canards are like a NACA 9 or 10 at least, that's just a symetrical foil 9 or 10% thick
Have you ever noticed thin wings stall quicker than those with thin foils or flat, you take some kind of stunt/funfly with a fat airfoil like 16%, it would probably be hard to see a hi speed stall, if it's a canard I would want it to have a foil, thinking about, well how does it work with the FT Mustang or Storch, the same stab is flat and works good, I guess because it is pulled from behind instead of a canard
Anyway I have always liked to play with custom funfly planes in RealFlight 3.0 and the wings with fat symmetrical foils handle stalls the best, with a NACA 16 you never see a hi speed stall, course you can sure slow down and hit the limit and force a stall but it comes down real nice and easy
Even tho that's just a sim, with regards to this aspect of wing stall, it's probably close or right on.
You might be sure your canards have at least 5 or 6" of chord to be effective
good luck with that, I like special projects and pushers, seen the long ez, dh2, fe2, bd5 from the bond film?
Leonard