Gasbag
Gasbag is a term that can refer to several different concepts, primarily in the context of aeronautics and colloquial language.
Aeronautics[edit | edit source]
In the field of aeronautics, a gasbag is a component of an airship or balloon. It is a large, flexible container designed to hold a lifting gas, such as hydrogen or helium, which provides the buoyancy necessary for the airship or balloon to float. The gasbag is typically made from materials that are both lightweight and impermeable to the gas it contains, such as rubberized fabric or polyurethane-coated materials.
Types of Gasbags[edit | edit source]
- Rigid Airships: In rigid airships, the gasbags are contained within a structural framework. The most famous example of a rigid airship is the LZ 129 Hindenburg.
- Non-rigid Airships: Also known as blimps, these airships do not have a rigid framework, and the gasbag itself provides the shape and structure of the airship.
- Hybrid Airships: These airships combine elements of both rigid and non-rigid designs.
Colloquial Use[edit | edit source]
In colloquial language, the term "gasbag" is often used pejoratively to describe a person who talks excessively or boasts without substance. This usage is metaphorical, likening the person to a bag full of gas, implying that their speech is full of hot air and lacks meaningful content.
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Contributors: Prab R. Tumpati, MD