Types of Airships

Types Of Airships
There are three main types of airships:
1. Nonrigid Airships
2. Rigid Airships
3. Semirigid Airships
Nonrigid airships were the first airships and some are still flown today. They don't have any major internal structures and don't have framework for the outer skin. The gas pressure causes this skin
( called the envelope ) to keep it's shape. Modern day envelopes are made out of synthetic fabrics.
The smallest airships have been the nonrigid types. Some have measured less than 30 metres long. The largest nonrigid airships were the U.S. Navy's ZPG - 3W airships. These air…