Just checked out your Parkzone SE-5A very nice. My fave is the Stearman PT-17 or anything close.
Yours is similar to the Bristol Scout, that too is very cool. I was told by someone with tons more experience than I
that Bipes are extremely hard to fly because of the wing loading. I then got confused cause I also love and fly
Lazy Bees of various sizes. Maybe he meant for high speed flight....they are not meant for high speed.