RE: WM Extra 300s
very nice Kainisrj
I had one with a Moki 210 (20 x 10) up front, same colour scheme as yours. The only problem that I had with this model was the need for 20% rudder/elev K/E coupling.
It snaps and spins like a dream though and lands like a trainer. Many happy flights to you.
regards piroflip