Aërial Navigation: A Popular Treatise on the Growth of Air Craft and on Aëronautical MeteorologyZahm, Albert Francis
History
Aërial Navigation: A Popular Treatise on the Growth of Air Craft and on Aëronautical Meteorology
Zahm, Albert Francis
Aeronautics; Meteorology
The Italian government brought forth, in the summer of 1909, a swift
and elegant auto balloon showing considerable originality of design.
It has a porpoise-shaped hull of 2,500 cubic meters capacity, divided
into seven compartments, so as to obviate the accident which wrecked
the _République_. An ample keel along the rear bottom, and large
aëroplane surfaces at the stern, serve to guide and steady the vessel.
Propelled by twin screws well above a short car, she readily attained
thirty miles an hour, carrying four persons. On October 31st, starting
on her seventeenth voyage, she cruised from the aëronautic park, Vigna
de Vale, near Rome, to Naples and back to Rome by ten o’clock at
night, having sailed over the edge of the Mediterranean Sea and over
the French squadron in the bay, remaining fourteen hours in the air
and traversing 520 kilometers, or 323 miles. It was one of the finest
voyages of the year. Further details of this Italian military dirigible
_No. I bis_, together with illustrations, are given in _Aërophile_ for
January 15, 1910, together with its prototype the dirigible _No. I_,
which maneuvered so successfully in 1908.
England and America all along had pursued an oriental, or
semicivilized, policy toward the auto balloon, languidly watching
the progress elsewhere, and hoping some time to enjoy the fruition,
if not the glory, of the costly and successful experiments made in
other countries. In 1909, however, the British government appropriated
nearly $400,000 for aëronautics, and the United States House of
Representatives voted $500,000, but promptly reversed its action,
and gave nothing, though it may be said that even then there was a
growing sentiment in favor of a more liberal policy. The movement to
secure the beginning of an aërial fleet in England is summarized in the
following paragraph.[16]
PLATE VI.
[Illustration: _LA BELGIQUE._]
[Illustration: ITALIAN MILITARY DIRIGIBLE _NO. I BIS_.]
“The naval authorities were entrusted with the building of a
rigid ship, whilst to the military department was delegated the
work of building non-rigid and semi-rigid ships. A national
air-ship fund was organized by the _Morning Post_ with the
object of purchasing a French Lebaudy semi-rigid dirigible
which would be presented to the War Office; whilst Mr. Arthur
du Cros and other members of the Parliamentary Aërial Committee
arranged for a _Clément_ non-rigid air ship of new design, to
sail from Paris to London, and also to qualify for purchase as
a unit of the British aërial fleet.”
Public-domain text, read in full here on John Shaqi.
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