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
A French novelist and aëronautic writer, G. de la Landelle, relates
an amazing adventure in the art of soaring, which may have some
foundation in fact, though savoring strongly of fiction. An experienced
sailor, Captain Le Bris, having observed the albatross soaring without
wing-beat, determined to imitate the fascinating flight of that
limber-winged spirit of the sea. To such end he built the bird shown in
Fig. 38, a ninety-pound albatross, with arched wings fifty feet across
and articulated to the boat-like body. In this the brave aviator would
stand upright, turn the wings and tail to maintain his balance, and
steer grandly through the sky. Placing this long-winged creature across
a cart driven by a peasant, he stood erect and headed against a breeze;
the wings set low to prevent lifting till an opportune moment, and the
bird held down to the car by a rope which the captain could quickly
release. When the horse was a-trot, and the wind blowing freshly, Le
Bris raised the front edges of the wings. Thereupon the albatross
tugged upward, and the mooring rope was slipped, but accidentally
whipped around the driver’s waist. The horse galloped away with the
cart; the bird, with the exultant sailor on its back, soared 300 feet
into the air, and incidentally carried up the peasant, dangling at
the end of the rope and howling with fright. Noting the distress of
his passenger, the kindly captain sailed close to earth, so that the
peasant might disembark and run to his horse, meaning then to hie away
for a long cruise in the clouds. But with this change of weight the
vessel seemed not to navigate well; so she was brought skimming to
land, with no mishap save a slight damage to the advancing wing, which
broke as it touched the ground.
[Illustration: FIG. 38.—LE BRIS’ AËROPLANE, 1855.]
Having repaired the great bird’s wing, Captain Le Bris next made
a launching from the arm of a derrick, 30 feet above the ground,
overlooking a quarry 70 feet deep. The attendant swains stood
open-mouthed, wondering whether this madman would overleap the clouds,
or promptly butt out his brains on a jagged rock. When the wind blowing
from the quarry seemed to float him in perfect poise, he tripped the
suspension hook, and headed for the precipice on even keel. He was now
happily launched, and keen for an aërial journey; but after passing
the brink, he seemed to encounter an eddy which tilted his craft
forward. The vessel dipped and rose; the captain plied his levers,
turning now the tail, now the pinions. He crossed safely over the
invisible breakers, and reached the quiet air of the quarry on level
wing. But now his forward speed was lost, the great bird sank rapidly
and crashed upon the rocky bed below. The wary seaman anticipating a
bump, sprang upward to soften his fall; but a lever rebounding from the
shock, hit one of his legs and broke it.
Public-domain text, read in full here on John Shaqi.
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