I tried a scarf covered AA sr.some years back at the VSC. I overheard comments that it was airbrushed, some thought it was shelf paper. A rank amateur, I allowed a glow-starter to fall out of my pocket onto the wing, it just bounced off like a trampoline. Mr. Werwage, launching me, commented on the strength of the covering. This airplane, though warped horribly due to the continual shrinking of the dope, is still airworthy, although it is basically a taffeta bag filled with balsa splinters.
No silk scarf of my Mom's was ever safe when I needed to cover a wing in the good ol' days.
dg