I'm just starting the upper wing on mine. Hope it flies as well as the GP Ultimate that I've had for a couple years.
I made the servo hatch about the same as you guys but on the undrsideof the wing.
I'm a little concerned about how the wing bolts onto the fuse. Is there supposed to be a hardwood block in the trailing edge or does the bolt just go through the trailing edge balsa?
I asked this question on the Kit building forum as well.