In author's opinion, commercial airships are dependent upon use of hydrogen; for commercial purposes semi-rigid and to greater extent, non-rigid ship is more advantageous than rigid airship, because it is cheaper, has greater carrying capacity and there is not such great danger of collapse; non-rigid ships are greatly improved by introduction of steel framework.
Modern airship transport
Ueber die heutige Luftschiffahrt
1927
3 pages
1 Fig.
Article (Journal)
German
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