Matt,
Thanks.
I had noticed ,on your thread, that it's easy to go through the 0.2oz.
I'm thinking that I should be able to fill the 0.3oz and take the top of it so to speak while flatting. This assumes a reasonably flat surface to begin with.
It should be a little more tolerant of the flatting process in that there is more depth to it . I'm thinking that with sanding I should get it to the equivalent having 0.2oz to 0.25oz of veil allbeit with local variances from 0.15oz to 0.3oz.
I will of course have a completely intact 0.2oz layer of veil underneath.
Yes I will watch how the weight builds. I'm looking forward to seeing just how strong this gets assuming the weight is kept under control.
I'm sure you are correct about not needing it full span or double sided for that matter. I can vary the aggressiveness of the flatting as I go out span-wise.
However I have to agree with the guys re the need for stiffness and strength on these skinny wings. They are quite different from mono wings in that regard.
So I'm using a combo of your method and some lightening methods to see what can be achieved.
This may help others in due course.

Brian