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:
“Whosoever, in writing a modern history, shall follow truth too near the heels, it may haply strike out his teeth.”
—Sir Walter Raleigh (1552–1618)