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 _Zodiac I_ was quickly followed by vessels _II_ and _III_, cubing
respectively 1,200 and 1,400 meters. The _No. II_ had a speed of
twenty, or more, miles per hour, and carried two passengers when
inflated with coal gas, three with hydrogen. The _No. III_, of torpedo
form, measured 133 feet long, 28 feet in major diameter, carried four
persons, and sailed 25 miles an hour with her 40-horse-power Ballot
engine. On August 29th, piloted by Count de la Vaulx, she competed with
the _Colonel Renard_, at Rheims, for the _Prix des Aëronats_, making
five rounds of the ten kilometer course in one hour and twenty-five
minutes, this being at the average speed of 22 miles an hour. On
October 30th, again piloted by the same renowned aëronaut, she sailed
from Brussels to Anvers, rounded the lofty Cathedral spire, and
returned to her aërodrome, traversing a distance of sixty kilometers in
one hour and twelve minutes, or with an average speed of 31 miles an
hour, a good showing for so small an air ship.
A very handsome dirigible, named the _Belgique_, was constructed early
in 1909, by the skillful aëronautical engineer, Louis Godard, of Paris,
in collaboration with the prominent Belgian engineer and sportsman,
Robert Goldschmidt. It was a flexible balloon of elegant torpedo form,
measuring 175 feet long, 30 feet in major diameter, and 106,000 cubic
feet in volume. It was propelled by two 60-horse-power Vivinus engines
actuating two screws, made of fabric stretched over radial sticks,
and placed at either end of the spindle-shaped car. The control was
provided for by ample keel surface, an elevating plane in front,
and ingeniously designed fins on the rear of the hull to steady the
motion. The entire structure showed much originality and skill. When
the dirigible was tested near Brussels, on June 28th, it was piloted
by Louis Godard, the famous expert in sphericals, accompanied by
Goldschmidt. Godard’s début in this capacity was reported as excellent.
Public-domain text, read in full here on John Shaqi.
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