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:
“The truth is rarely pure and never simple. Modern life would be very tedious if it were either, and modern literature a complete impossibility!”
—Oscar Wilde (1854–1900)