All things considered I would have to agree with squeekalong if this is your first nitro build it per plans and power it with a .40 LA or a good BB .35
taking the dihedril out makes it more aerobatic. Dropping the wing saddle down, and adding bolts instead of bands is mostly for looks.
The dihedral is set during building when you join the wing half's together. The more dihedral the more stable. Like I said in my previous post I have very little dihedral in my falcon wing and it flys fine just like the falcon. but i shifted the balance rearward added a BB .46 and maxed the control throws. fun little plane. most RC pilots do not believe it is a falcon 56.