if they are under the wing, they are not canards!

why dont you make a cougar canard.
put the wing on backwards and c of g three quarters of the way between the wing and tail towards the tail-if that makes sense.

put the tail on bacckwards and buy a pusher prop.
dont forget to turn the tank around so it flys forward.
mount the undercart back to front, ie mains at the tail 'end' and a long skid for prop clearance at the wing end.

not too much throws on elevator. give it a go, i might try it soon- i got some ideas!!