RE: Rigger help
The tub should not even be in the water so the AOA is not relevant in most cases. I'm sure there are some that may argue it will make differnce You still shape it so it doesn't plough the water on the nose. (Quite Obvious)
You can set your sponsons to be adjustable or not. I use carbon fiber booms that are permanent with no adjustability. Any adjustment will make things easier to trim the hull out.
Ryan