А.Шепс Самолеты Первой мировой войны. Страны Антанты
"Блерио-ХII" - развитие серии "Блерио-XI", но крыло сделано по схеме высокоплана вместо "среднеплана"-предшественника. Двигатели "Гном" (60 или 80 л. с.). В 1910 году несколько самолетов поступило в Россию.
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В.Шавров История конструкций самолетов в СССР до 1938 г.
"Блерио-XII" ( "Блерио-12"). Самолет был в двух вариантах: одноместный с двигателем "Гном" в 60 л. с. и двухместный с двигателем "Гном" в 80 л с. Конструкция та же, размеры разные. Самолет был в России в единичных экземплярах. На Первой Всероссийской неделе авиации в августе 1910 г. на нем удачно летал поручик Б. В. Матыевич-Мацеевич, а лейтенант Г. В. Пиотровский с пассажиром совершил перелет из Петербурга в Кронштадт - первый в мире перелет над морем из одного города в другой, французский авиатор Пегу на этом самолете летал стоя, не касаясь руками ручки управления, а подправляя ее ногой.
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J.Davilla, A.Soltan French Aircraft of the First World War (Flying Machines)
Prewar Bleriot Planes 1910-1914
1. Type 12 - 50-hp Gnome G or 35-hp or 60-hp ENV engine or a 40-hp ANV engine: two-seat trainer. Five built in 1909-1910.
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L.Opdyke French Aeroplanes Before the Great War (Schiffer)
Deleted by request of (c)Schiffer Publishing
XII: In April 1909 the Bleriot firm designed and built a new monoplane in which the pilot sat under the high wing, behind the 35 hp ENV which drove the tractor propeller with chains. The fuselage was completely uncovered, the top curving downward to the tailpost; a Bleriot Xl-style rudder was flanked by 2 smaller rectangular rudders, with 2 tailplanes set just ahead of them. Small winglets serving as ailerons protruded from each side behind the pilot. The typical Bleriot landing-gear and cabane structures appeared here. After its flights in May, the rudders were all removed and replaced by an awkward-looking rectangular surface mounted high on a post. Bleriot experimented with covering the forward sides of the fuselage. In June he added a long curved fin to the top of the fuselage, and in July a whole new curved fin and rudder assembly.
In August he built the first so-called Type XII for Reims, this one fitted with a 60 hp ENV and a 4-bladed propeller, and a new down-curved rear fuselage, still with the 2 tailplanes. The winglets were gone, and the wing area was reduced for speed by uncovering the trailing edge section from tip to tip. No 22 raced in the Gordon-Bennett meet, but crashed and burned. Grahame-White bought the third aircraft off the line and named it the White Eagle. Replacing the ENV with a 50 hp Gnome saved weight, and one was used as a 2-seat trainer at Pau.
(Span: 10 m; length: 9.5 m; wing area: 22 sqm; empty weight: 600 kg; speed: 100 kmh; 35-50 hp ENV)
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Журнал Flight
Flight, May 15, 1909.
"Bleriot XII."
IN a fortnight, at the latest, M. Bleriot hopes to be able to take the air on his new monoplane "No. XII." This is a good deal larger than its immediate predecessor "No. XI," for it has a lifting surface of 22 sq. metres, while the length is 8.5 metres, and the spread of the wings 9.5 metres. The propeller will be 2.5 metres in diameter, and will be driven at 700 r.p.m. by a chain from a 35-h.p. water - cooled E.N.V. engine. The machine will weigh 80 kilogs. "light." At the rear end of the machine, in addition to a fixed horizontal plane, there will be a movable horizontal plane and the vertical rudder.
Flight, May 29, 1909.
M. Bleriot on his New Monoplane.
M. BLERIOT has now completed his new monoplane No. 12, which, although slightly larger than his No. 11, is very similar to it. It is fitted with a 35-h.p. E.N.V. motor. M. Bleriot had the machine out at Issy on the 21st inst, but unfortunately he-was unable to attempt a flight with it, as it was found that the left wing was slightly heavier than the right one, and so threw the machine out of balance. This defect will, however, be very quickly set right.
Flight, June 19, 1909
Three Men in an Aeroplane.
M. BLERIOT has once again placed a milestone on the rapidly growing road of aeronautical progress by being the first to achieve free flight on a heavier-than-air flying machine with two passengers beside himself on board. The two who made the trip with M. Bleriot on his monoplane "No. XII," were M. Santos Dumont and M. A. Fournier, the total weight which the 22 square metres were called upon to sustain being in the neighbourhood of 565 kilogs. The flight, which was made at Issy on Saturday afternoon last, was not a very lengthy one, only extending to about 300 metres in a straight line, and it was followed by another of similar duration. A little later M. Bleriot carried his mecanicien for a couple of turns round the Issy Parade Ground, a distance of about 6 kiloms., and just before darkness compelled the suspension of flying for the day he made two flights unaccompanied of 4 mins. 36 sec., during which 5 kiloms. were traversed, and 4 mins. 4 secs. The flights were witnessed by Madame Bleriot and several prominent French aviators, including MM. Paul Zens, Goupy, Witzig, Blanchet and Stceckel.
On the previous day M. Bleriot made several short flights, including one of about 2 kiloms. which was brought to a conclusion by a double turning in the form of the figure "8," which evoked loud applause from the spectators. During the afternoon M. Bleriot took up M. Guyot, the winner of last year's Voiturette Grand Prix, who turns the scale at 87 kilogs. and flew with him for about one and a half kiloms., at a height of seven metres.
On Tuesday, M. Bleriot was making some short flights with M. A. Fournier, when he landed very suddenly at the end of the last one and it was found afterwards that the crankshaft of the motor had fractured.
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