OK now HMMM,
400 Sq inchs divided by 144 gives about 2.7 Sq feet and that goes into 51.4 Oz's total weight to give around 19 Ozs. per square foot of wing loading. That is if I,am not to ringy tonight from working with some nitrate dope.
19 oz's a square should give you a fine little flyer.
Having a bit more dihedral is not going to be a problem at all. just a little less stable in inverted flight which was no issue before you decided to go with ailerons, for that airplane its not worth bothering with.
The fuselage cheeks while not a real problem to my eye looks a little odd with the spinner backplate behind the cheeks, I think I would be a bit uncomfortable with that little clearance. But then agine I,am just old and set in my ways.
Enjoy
John