Quote:
Originally Posted by Crystalline_Entity
Maybe aluminimum is classed as a strategic resource, and not available for commerical use, so aeroplanes have a very limited niche? Transoceanic civilian travel is then done by airship.
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Without aluminium, airships have much heavier frames and much worse lifting capacity.
One advantage they have is that they can hover without burning fuel anywhere near as fast as a helicopter. Can we make something of that?