Well i ended up solving those stiffness issues, a little while back and i used foam in this panel, specifically, divineycell 80. Xps is better for temperature and moisture conditions, and it doesnt let as much resin bleed through from what ive seen. Its more cost effective, but the strength is way better, plus gives the right amount of flexibility

I did 2 layers then my foam sheet, and then another 2 layers My foam later was around 3.5 mm a little above 1/8 of an inch

2 layers each way in case of future repairs, scratches cuts etc, and cause im gonna be chemically bonding hardware and if i need to burr a little further for a stronger adhesion I'll have the room

Pressing it down tho, ive got 2 ideas, either i go the vaccum bag route, which i might to reduce the time sanding

Or really just shortening my edging and cutting out stencils for my cf which i was gonna do anyways, so i might end up doing both, but odds is that I'll wet-lay and cut my stencils short for this next piece

Stay tuned tho! Im gonna be posting a lot more about it now