Airships past and present, together with chapters on the use of balloons in connection with meteorology, photography and the carrier pigeon . en movingat full speed, is sufficient to give rise to forcesof several hundred pounds. It is very im-portant that a balloon, intended for use inthe field of war, should be capable of beingeasily packed. Count de la Vaulx has there-fore built a motor balloon which is capableof being taken apart with great ease, andpacked in four parts. The first package contains the envelope,and occupies about 35 cubic feet of space; the second containsthe car, requiring
Airships past and present, together with chapters on the use of balloons in connection with meteorology, photography and the carrier pigeon . en movingat full speed, is sufficient to give rise to forcesof several hundred pounds. It is very im-portant that a balloon, intended for use inthe field of war, should be capable of beingeasily packed. Count de la Vaulx has there-fore built a motor balloon which is capableof being taken apart with great ease, andpacked in four parts. The first package contains the envelope,and occupies about 35 cubic feet of space; the second containsthe car, requiring floor space to the extent of 2 yards by 1yard ; and the third and fourth contain the portions of the de la Vaulx also uses yellow cambric of German make,because it is as yet impossible to obtain it of sufficiently goodquality in France. The two thicknesses of cambric are usuallyseparated by a layer of rubber, but there is a further coating onthe outside. This is done with the object of preventing theabsorption of any moisture. It is known that the covering of aballoon, having a capacity of 46,000 cubic feet, can absorb about. Fig. 44.—Count dela Vaulx.
Size: 989px × 2525px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpubl, booksubjectaeronautics
