Modern Rigids
There are no rigid airships flying today. The Zeppelin company refers to their NT ship as a rigid but this is a misnomer. The envelope shape is retained in part by super-pressure of the lifting gas, and so the NT is more correctly classified as a semi-rigid.
Read more about this topic: Rigid Airship
Famous quotes containing the word modern:
“Information is the oxygen of the modern age. It seeps through the walls topped by barbed wire, it wafts across the electrified borders.”
—Ronald Reagan (b. 1911)