In the spring of 1897 Pilcher took up his gliding experiments again,
obtaining what was probably the best of his glides on June 19th, when
he alighted after a perfectly balanced glide of over 250 yards in
length, having crossed a valley at a considerable height. From his
various experiments he concluded that once the machine was launched
in the air an engine of, at most, 3 horse-power would suffice for
the maintenance of horizontal flight, but he had to allow for the
additional weight of the engine and propeller, and taking into account
the comparative inefficiency of the propeller, he planned for an engine
of 4 horse-power. Engine and propeller together were estimated at under
44 lbs. weight, the engine was to be fitted in front of the operator,
and by means of an overhead shaft was to operate the propeller
situated in rear of the wings. 1898 went by while this engine was
under construction. Then in 1899 Pilcher became interested in Lawrence
Hargrave’s soaring kites, with which he carried out experiments during
the summer of 1899. It is believed that he intended to incorporate
a number of these kites in a new machine, a triplane, of which the
fragments remaining are hardly sufficient to reconstitute the complete
glider. This new machine was never given a trial, for on September
30th, 1899, at Stamford Hall, Market Harborough, Pilcher agreed to
give a demonstration of gliding flight, but owing to the unfavourable
weather he decided to postpone the trial of the new machine and to
experiment with the ‘Hawk,’ which was intended to rise from a level
field, towed by a line passing over a tackle drawn by two horses. At
the first trial the machine rose easily, but the tow-line snapped when
it was well clear of the ground, and the glider descended, weighed down
through being sodden with rain. Pilcher resolved on a second trial, in
which the glider again rose easily to about thirty feet, when one of
the guy wires of the tail broke, and the tail collapsed; the machine
fell to the ground, turning over, and Pilcher was unconscious when he
was freed from the wreckage.
Hopes were entertained of his recovery, but he died on Monday, October
2nd, 1899, aged only thirty-four. His work in the cause of flying
lasted only four years, but in that time his actual accomplishments
were sufficient to place his name beside that of Lilienthal, with whom
he ranks as one of the greatest exponents of gliding flight.
[Illustration: ‘The Hawk’--front view.]
[Illustration: ‘The Hawk’--rear view.]
[Illustration: ‘The Hawk’--in flight with Pilcher.]
VIII
AMERICAN GLIDING EXPERIMENTS
Public-domain text, read in full here on John Shaqi.
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