RE: Phoenix Extra 330S 60-90 Size
Rick, I don't quite understand the platforms for the rear servos, but there is no reason they shouldn't work, although they do add some weight to the tail.
Shortening the wing bolts is a good idea. Far more length than needed, and in all the time I've been flying mine I have never had the wing bolts loosen up at all, even with the hi-vibe 4 stroke....