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An airship, dirigible balloon or dirigible is a type of aerostat (lighter-than-air) aircraft that can navigate through the air flying under its own power. [1] Aerostats use buoyancy from a lifting gas that is less dense than the surrounding air to achieve the lift needed to stay airborne.
The Giffard dirigible or Giffard airship was an airship built in France in 1852 by Henri Giffard, it was the first powered and steerable airship to fly. The craft featured an elongated hydrogen -filled envelope that tapered to a point at each end.
It was the world's first passenger-carrying airship (then known as a dirigible, from French). [2] Both practical and steerable, the hydrogen-filled airship was equipped with a 2.2-kilowatt (3 hp) steam engine that drove a propeller. The engine was fitted with a downward-pointing funnel.
Construction of USS Shenandoah, 1923, showing the framework of a rigid airship. A rigid airship is a type of airship (or dirigible) in which the envelope is supported by an internal framework rather than by being kept in shape by the pressure of the lifting gas within the envelope, as in blimps (also called pressure airships) and semi-rigid airships.
A non-rigid airship, commonly called a blimp , is an airship (dirigible) [1] without an internal structural framework or a keel. Unlike semi-rigid and rigid airships (e.g. Zeppelins), blimps rely on the pressure of their lifting gas (usually helium, rather than flammable hydrogen) and the strength of the envelope to maintain their shape. Blimps ...
List of airships of the United States Navy identifies the airships of the United States Navy by type, identification, and class. Rigid airships (ZR)
The plane they flew was a second-hand Ryan monoplane. (At this time most private pilots were still flying biplanes.) It was the same kind of plane flown by Charles Lindbergh in his historic flight ...
The airship's development was plagued with problems; the material leaked and the paddles repeatedly broke. When the dirigible was finally tried out, it worked but was unable to move against the wind. [41] [42] By the time Napoleon began the French invasion of Russia in 1812, Leppich's airship was still not ready, and the prototype was destroyed ...