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Semi-rigid Airship

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Semi-rigid Airship.jpg Montgolfier’s passenger balloonMiniaturesBlanchard’s dirigible balloon, 1784Montgolfier’s passenger balloonMiniaturesBlanchard’s dirigible balloon, 1784Montgolfier’s passenger balloonMiniaturesBlanchard’s dirigible balloon, 1784Montgolfier’s passenger balloonMiniaturesBlanchard’s dirigible balloon, 1784Montgolfier’s passenger balloonMiniaturesBlanchard’s dirigible balloon, 1784Montgolfier’s passenger balloonMiniaturesBlanchard’s dirigible balloon, 1784
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But as airships were built larger, and greater speeds were obtained, it became necessary to strengthen the envelopes with some form of keel; and this led to a type which is known as the semi-rigid, and is developed successfully in France. The figure illustrates an airship of this build. Along the lower side of its envelope is placed a light, rigid framework or keel, and from this is suspended the car which contains engines and crew.

A. Gas-containing envelope
B. Strengthening keel
C.C. Stabilising-planes
D. Rudder
E. Car carrying engines, propeller, and crew.

Auteur
The Project Gutenberg eBook, The Aeroplane, by Claude Grahame-White and Harry Harper
Published 1914
Dimensions
1200*518
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