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British Airships, Past, Present, and Future by George Whale
page 10 of 167 (05%)
and on the landing ground, and at present there are partisans of
both types.

Thirdly, there is the streamline envelope with tangential
suspensions, which has been adopted for all classes of the S.S.
airship, and which has proved for its purpose in every way highly
satisfactory.

Of these three types the rigid has the inherent disadvantage of
not being able to be dismantled, if it should become compelled
to make a forced landing away from its base. Even if it were so
fortunate as to escape damage in the actual landing, there is the
practical certainty that it would be completely wrecked
immediately any increase occurred in the force of the wind. On
the other hand, for military purposes, it possesses the advantage
of having several gas compartments, and is in consequence less
susceptible to damage from shell fire and other causes.

Both the semi-rigid and the non-rigid have the very great
advantage of being easily deflated and packed up. In addition to
the valves, these ships have a ripping panel incorporated in the
envelope which can easily be torn away and allows the gas to
escape with considerable rapidity. Innumerable instances have
occurred of ships being compelled to land in out-of-the-way
places owing to engine failure or other reasons; they have been
ripped and deflated and brought back to the station without
incurring any but the most trifling damage.

Experience in the war has proved that for military purposes the
large rigid, capable of long hours of endurances and the small
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