If the material can’t expand or be folded ... maybe size them to fit "the box" & use more of them ... vent expanding gas to additional containment tanks made of the same special material... and locate them in the body / tail sections. I think they’d have to have the photo cell / self producing energy system in place at this point though. If, the Argus design is still based on the Blau gas filling the body / tail sections the above mentioned wouldn’t work. imo
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