Laminated the inside with regular old paper, and watered down wood glue. Got a long brush and overlapped 4 strips. That should help once dry. The silver bits are aluminum tape cut, stuck, and burnished smooth with a scrap piece of balsa. Works great. Looks cool too.The repair looks very nice.
Meant to ask you how you achieved the silver bits on the model? Tape and paint or decals?
I'm a big fan of rocket patina and battle scars. I've got about a half dozen rockets that are either salvaged from my own childhood (mostly Centuri models that survived my many moves) or flea market discoveries. Nearly all of them were flown dozens of times. Also mine were painted with Testors and a brush as I didn't discover spray paint until my 20's.
No matter...they remind me of a simpler time when the joy of "whoosh" and seeing a successful ejection were thrill enough. Now I obsess over the smallest details and seem to worry a great deal about what others in my club will think about the latest build.
My vote is to leave the battle scar. The bird earned it fair and square.
Never heard of anyone lining the inside with paper. That is a thought. Wonder if aluminum foil might be an even better choice.