Capacity in Gross Lift Length Diameter
cubic feet in tons in feet in feet
2,000,000 60.7 643 79
3,000,000 91.1 736 90.4
4,000,000 121.4 810 99.5
5,000,000 151.8 872 107.2
6,000,000 182.2 927 113.9
7,000,000 212.5 976 119.9
8,000,000 242.8 1,021 125.5
9,000,000 273.3 1,061 130.4
10,000,000 303.6 1,100 135.1
In airships of their present capacity, in order to obtain the
greatest amount of lift possible, lightness of construction has
been of paramount importance. With this object in view duralumin
has been used, and complicated girders built up to obtain
strength without increase of weight. In a large ship with a
considerable gain in lift, steel will probably be employed with a
simpler form of girder work. In that way cheapness of
construction will be effected together with increased rapidity of
output, and in addition the strength of the whole structure
should be increased.
The rigid airship of 10,000,000 cubic feet capacity will have a
disposable lift of over 200 tons available for fuel, crew,
passengers, and merchandise in such proportions as are desired.
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